RANSOM_MAGNIBER.A

 Analysis by: Jennifer Gumban

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It connects to certain websites to send and receive information.

It encrypts files with specific file extensions. It drops files as ransom note.

  TECHNICAL DETAILS

File Size:

164,352 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

16 Oct 2017

Payload:

Connects to URLs/IPs, Encrypts files

Arrival Details

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

This malware arrives via the following means:

  • Magnitude Exploit Kit

Installation

This Ransomware adds the following processes:

  • ping localhost -n 3 ← if infected machine default language is non-Korean

It adds the following mutexes to ensure that only one of its copies runs at any one time:

  • ihsdj

Other Details

This Ransomware connects to the following website to send and receive information:

  • http://xwcpie88rkw09bvd3s0.{BLOCKED}e.date/

It does the following:

  • Checks if the default UI language of the system is Korean Language.

Ransomware Routine

This Ransomware encrypts files with the following extensions:

  • cdc
  • cdg
  • cimg
  • cin
  • cit
  • colz
  • cpc
  • cpd
  • cpg
  • cps
  • cpx
  • cr2
  • ct
  • dc2
  • dcr
  • dds
  • dgt
  • dib
  • djv
  • dm3
  • dmi
  • vue
  • dpx
  • wire
  • drz
  • dt2
  • dtw
  • dv
  • ecw
  • eip
  • exr
  • fa
  • fax
  • fpos
  • fpx
  • g3
  • gcdp
  • gfb
  • gfie
  • ggr
  • gih
  • gim
  • spr
  • scad
  • gpd
  • gro
  • grob
  • hdp
  • hdr
  • hpi
  • i3d
  • icn
  • icon
  • icpr
  • iiq
  • info
  • ipx
  • itc2
  • iwi
  • j2c
  • j2k
  • jas
  • jb2
  • jbig
  • jbmp
  • jbr
  • jfif
  • jia
  • jng
  • jp2
  • jpg2
  • jps
  • jpx
  • jtf
  • jw
  • jxr
  • kdc
  • kdi
  • kdk
  • kic
  • kpg
  • lbm
  • ljp
  • mac
  • mbm
  • mef
  • mnr
  • mos
  • mpf
  • mpo
  • mrxs
  • my
  • ncr
  • nct
  • nlm
  • nrw
  • oc3
  • oc4
  • oc5
  • oci
  • omf
  • oplc
  • af2
  • af3
  • asy
  • cdmm
  • cdmt
  • cdmz
  • cdt
  • cmx
  • cnv
  • csy
  • cv5
  • cvg
  • cvi
  • cvs
  • cvx
  • cwt
  • cxf
  • dcs
  • ded
  • dhs
  • dpp
  • drw
  • dxb
  • dxf
  • egc
  • emf
  • ep
  • eps
  • epsf
  • fh10
  • fh11
  • fh3
  • fh4
  • fh5
  • fh6
  • fh7
  • fh8
  • fif
  • fig
  • fmv
  • ft10
  • ft11
  • ft7
  • ft8
  • ft9
  • ftn
  • fxg
  • gem
  • glox
  • hpg
  • hpg
  • hp
  • idea
  • igt
  • igx
  • imd
  • ink
  • lmk
  • mgcb
  • mgmf
  • mgmt
  • mt9
  • mgmx
  • mgtx
  • mmat
  • mat
  • ovp
  • ovr
  • pcs
  • pfv
  • plt
  • vrm
  • pobj
  • psid
  • rd
  • scv
  • sk1
  • sk2
  • ssk
  • stn
  • svf
  • svgz
  • tlc
  • tne
  • ufr
  • vbr
  • vec
  • vm
  • vsdm
  • vstm
  • stm
  • vstx
  • wpg
  • vsm
  • xar
  • ya
  • orf
  • ota
  • oti
  • ozb
  • ozj
  • ozt
  • pa
  • pano
  • pap
  • pbm
  • pc1
  • pc2
  • pc3
  • pcd
  • pdd
  • pe4
  • pef
  • pfi
  • pgf
  • pgm
  • pi1
  • pi2
  • pi3
  • pic
  • pict
  • pix
  • pjpg
  • pm
  • pmg
  • pni
  • pnm
  • pntg
  • pop
  • pp4
  • pp5
  • ppm
  • prw
  • psdx
  • pse
  • psp
  • ptg
  • ptx
  • pvr
  • px
  • pxr
  • pz3
  • pza
  • pzp
  • pzs
  • z3d
  • qmg
  • ras
  • rcu
  • rgb
  • rgf
  • ric
  • riff
  • rix
  • rle
  • rli
  • rpf
  • rri
  • doc
  • docx
  • xls
  • xlsx
  • ppt
  • pptx
  • pst
  • ost
  • msg
  • em
  • vsd
  • vsdx
  • csv
  • rtf
  • 123
  • wks
  • wk1
  • pdf
  • dwg
  • onetoc2
  • snt
  • docb
  • docm
  • dot
  • dotm
  • dotx
  • xlsm
  • xlsb
  • xlw
  • xlt
  • xlm
  • xlc
  • xltx
  • xltm
  • pptm
  • pot
  • pps
  • ppsm
  • ppsx
  • ppam
  • potx
  • potm
  • edb
  • hwp
  • 602
  • sxi
  • sti
  • sldx
  • sldm
  • vdi
  • vmx
  • gpg
  • aes
  • raw
  • cgm
  • nef
  • psd
  • ai
  • svg
  • djvu
  • sh
  • class
  • jar
  • java
  • rb
  • asp
  • php
  • jsp
  • brd
  • sch
  • dch
  • dip
  • vb
  • vbs
  • ps1
  • js
  • asm
  • pas
  • cpp
  • cs
  • suo
  • sln
  • ldf
  • mdf
  • ibd
  • myi
  • myd
  • frm
  • odb
  • dbf
  • db
  • mdb
  • accdb
  • sq
  • sqlitedb
  • sqlite3
  • asc
  • lay6
  • lay
  • mm
  • sxm
  • otg
  • odg
  • uop
  • std
  • sxd
  • otp
  • odp
  • wb2
  • slk
  • dif
  • stc
  • sxc
  • ots
  • ods
  • 3dm
  • max
  • 3ds
  • uot
  • stw
  • sxw
  • ott
  • odt
  • pem
  • p12
  • csr
  • crt
  • key
  • pfx
  • der
  • 1cd
  • cd
  • arw
  • jpe
  • eq
  • adp
  • odm
  • dbc
  • frx
  • db2
  • dbs
  • pds
  • pdt
  • dt
  • cf
  • cfu
  • mx
  • epf
  • kdbx
  • erf
  • vrp
  • grs
  • geo
  • st
  • pff
  • mft
  • efd
  • rib
  • ma
  • lwo
  • lws
  • m3d
  • mb
  • obj
  • x3d
  • c4d
  • fbx
  • dgn
  • 4db
  • 4d
  • 4mp
  • abs
  • adn
  • a3d
  • aft
  • ahd
  • alf
  • ask
  • awdb
  • azz
  • bdb
  • bib
  • bnd
  • bok
  • btr
  • cdb
  • ckp
  • clkw
  • cma
  • crd
  • dad
  • daf
  • db3
  • dbk
  • dbt
  • dbv
  • dbx
  • dcb
  • dct
  • dcx
  • dd
  • df1
  • dmo
  • dnc
  • dp1
  • dqy
  • dsk
  • dsn
  • dta
  • dtsx
  • dx
  • eco
  • ecx
  • emd
  • fcd
  • fic
  • fid
  • fi
  • fm5
  • fo
  • fp3
  • fp4
  • fp5
  • fp7
  • fpt
  • fzb
  • fzv
  • gdb
  • gwi
  • hdb
  • his
  • ib
  • idc
  • ihx
  • itdb
  • itw
  • jtx
  • kdb
  • lgc
  • maq
  • mdn
  • mdt
  • mrg
  • mud
  • mwb
  • s3m
  • ndf
  • ns2
  • ns3
  • ns4
  • nsf
  • nv2
  • nyf
  • oce
  • oqy
  • ora
  • orx
  • owc
  • owg
  • oyx
  • p96
  • p97
  • pan
  • pdb
  • pdm
  • phm
  • pnz
  • pth
  • pwa
  • qpx
  • qry
  • qvd
  • rctd
  • rdb
  • rpd
  • rsd
  • sbf
  • sdb
  • sdf
  • spq
  • sqb
  • stp
  • str
  • tcx
  • tdt
  • te
  • tmd
  • trm
  • udb
  • usr
  • v12
  • vdb
  • vpd
  • wdb
  • wmdb
  • xdb
  • xld
  • xlgc
  • zdb
  • zdc
  • cdr
  • cdr3
  • abw
  • act
  • aim
  • ans
  • apt
  • ase
  • aty
  • awp
  • awt
  • aww
  • bad
  • bbs
  • bdp
  • bdr
  • bean
  • bna
  • boc
  • btd
  • cnm
  • crw
  • cyi
  • dca
  • dgs
  • diz
  • dne
  • docz
  • dsv
  • dvi
  • dx
  • eio
  • eit
  • emlx
  • epp
  • err
  • etf
  • etx
  • euc
  • faq
  • fb2
  • fb
  • fcf
  • fdf
  • fdr
  • fds
  • fdt
  • fdx
  • fdxt
  • fes
  • fft
  • flr
  • fodt
  • gtp
  • frt
  • fwdn
  • fxc
  • gdoc
  • gio
  • gpn
  • gsd
  • gthr
  • gv
  • hbk
  • hht
  • hs
  • htc
  • hz
  • idx
  • ii
  • ipf
  • jis
  • joe
  • jp1
  • jrtf
  • kes
  • klg
  • knt
  • kon
  • kwd
  • lbt
  • lis
  • lit
  • lnt
  • lp2
  • lrc
  • lst
  • ltr
  • ltx
  • lue
  • luf
  • lwp
  • lyt
  • lyx
  • man
  • map
  • mbox
  • me
  • mel
  • min
  • mnt
  • mwp
  • nfo
  • njx
  • now
  • nzb
  • ocr
  • odo
  • of
  • oft
  • ort
  • p7s
  • pfs
  • pjt
  • prt
  • psw
  • pu
  • pvj
  • pvm
  • pwi
  • pwr
  • qd
  • rad
  • rft
  • ris
  • rng
  • rpt
  • rst
  • rt
  • rtd
  • rtx
  • run
  • rzk
  • rzn
  • saf
  • sam
  • scc
  • scm
  • sct
  • scw
  • sdm
  • sdoc
  • sdw
  • sgm
  • sig
  • sla
  • sls
  • smf
  • sms
  • ssa
  • sty
  • sub
  • sxg
  • tab
  • tdf
  • tex
  • text
  • thp
  • tlb
  • tm
  • tmv
  • tmx
  • tpc
  • tvj
  • u3d
  • u3i
  • unx
  • uof
  • upd
  • utf8
  • utxt
  • vct
  • vnt
  • vw
  • wbk
  • wcf
  • wgz
  • wn
  • wp
  • wp4
  • wp5
  • wp6
  • wp7
  • wpa
  • wpd
  • wp
  • wps
  • wpt
  • wpw
  • wri
  • wsc
  • wsd
  • wsh
  • wtx
  • xd
  • xlf
  • xps
  • xwp
  • xy3
  • xyp
  • xyw
  • ybk
  • ym
  • zabw
  • zw
  • abm
  • afx
  • agif
  • agp
  • aic
  • albm
  • apd
  • apm
  • apng
  • aps
  • apx
  • art
  • asw
  • bay
  • bm2
  • bmx
  • brk
  • brn
  • brt
  • bss
  • bti
  • c4
  • ca
  • cals
  • can
  • cd5
  • rs
  • rsb
  • rsr
  • rw2
  • rw
  • s2mv
  • sci
  • sep
  • sfc
  • sfw
  • skm
  • sld
  • sob
  • spa
  • spe
  • sph
  • spj
  • spp
  • sr2
  • srw
  • wallet
  • jpeg
  • jpg
  • vmdk
  • arc
  • paq
  • bz2
  • tbk
  • bak
  • tar
  • tgz
  • gz
  • 7z
  • rar
  • zip
  • backup
  • iso
  • vcd
  • bmp
  • png
  • gif
  • tif
  • tiff
  • m4u
  • m3u
  • mid
  • wma
  • flv
  • 3g2
  • mkv
  • 3gp
  • mp4
  • mov
  • avi
  • asf
  • mpeg
  • vob
  • mpg
  • wmv
  • fla
  • swf
  • wav
  • mp3

It avoids encrypting files found in the following folders:

  • :\documents and settings\all users\
  • :\documents and settings\default user\
  • :\documents and settings\localservice\
  • :\documents and settings\networkservice\
  • \appdata\local\
  • \appdata\locallow\
  • \appdata\roaming\
  • \local settings\
  • \public\music\sample music\
  • \public\pictures\sample pictures\
  • \public\videos\sample videos\
  • \tor browser\
  • \$recycle.bin
  • \$windows.~bt
  • \$windows.~ws
  • \boot
  • \intel
  • \msocache
  • \perflogs
  • \program files (x86)
  • \program files
  • \programdata
  • \recovery
  • \recycled
  • \recycler
  • \system volume information
  • \windows.old
  • \windows10upgrade
  • \windows
  • \winnt

It drops the following file(s) as ransom note:

  • READ_ME_FOR_DECRYPT_ﻇ聏榀ァ￿￿逭¤_.txt

It leaves text files that serve as ransom notes containing the following text:

  • “ALL Y0UR D0CUMENTS, PHOTOS, DATABASES AND OTHER IMP0RTANT FILES HAVE BEEN ENCRYPTED! ==================================================================================================== Your files are NOT damaged! Your files are modified only. This modification is reversible. The only 1 way to decrypt your files is to receive the private key and decryption program. Any attempts to restore your files with the third-party software will be fatal for your files! ==================================================================================================== To receive the private key and decryption program follow the instructions below: 1. Download "Tor Browser" from and install it. 2. In the "Tor Browser" open your personal page here: http://????????¤.ofotqrmsrdc6c3rz.onion/EP866p5M93wDS513 Note! This page is available via "Tor Browser" only. ==================================================================================================== Also you can use temporary addresses on your personal page without using "Tor Browser": http://????????¤.bankme.date/EP866p5M93wDS513 http://????????¤.jobsnot.services/EP866p5M93wDS513 http://????????¤.carefit.agency/EP866p5M93wDS513 http://????????¤.hotdisk.world/EP866p5M93wDS513 Note! These are temporary addresses! They will be available for a limited amount of time!”

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.724.01

FIRST VSAPI PATTERN DATE:

17 Oct 2017

VSAPI OPR PATTERN File:

13.725.00

VSAPI OPR PATTERN Date:

18 Oct 2017

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Scan your computer with your Trend Micro product to delete files detected as RANSOM_MAGNIBER.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 4

Restore encrypted files from backup.


Did this description help? Tell us how we did.