TrojanSpy.Win32.EMOTET.UWAOIBENR

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

Se ejecuta y, a continuación, se elimina.

Este malware no tiene ninguna rutina de puerta trasera.

Detalles de entrada

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

Instalación

Crea las siguientes copias de sí mismo en el sistema afectado:

• When executed with administrative privileges:
  • %System%\{String1}{String2}.exe
• When executed without administrative privileges:
  • %AppDataLocal%\{String1}{String2}\{String1}{String2}.exe

(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).

Agrega los procesos siguientes:

• {Malware File Path}\{Malware File Name} --{8 random characters}
• When executed without administrative privileges:
  • %AppDataLocal%\{String1}{String2}\{String1}{String2}.exe
  • %AppDataLocal%\{String1}{String2}\{String1}{String2}.exe --{8 random characters}
• When executed with administrative privileges:
  • %System%\{String1}{String2}.exe
  • %System%\{String1}{String2}.exe --{8 random characters}

(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).

Crea las carpetas siguientes:

• %AppDataLocal%\{String1}{String2}

Se ejecuta y, a continuación, se elimina.

Agrega las siguientes exclusiones mutuas para garantizar que solo se ejecuta una de sus copias en todo momento:

• Global\I{Volume Serial Number}
• Global\M{Volume Serial Number}

Técnica de inicio automático

Elimina las siguientes claves de registro asociadas a aplicaciones antivirus y de seguridad:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\{String1}{String2}
ImagePath = %System%\{String1}{String2}.exe

Rutina de puerta trasera

Este malware no tiene ninguna rutina de puerta trasera.

Robo de información

Recopila los siguientes datos:

• Computer Name
• File CRC
• Volume Serial Number
• OS Version
• Processor Architecture
• Running Processes
• Process SessionId

Información sustraída

Este malware envía la información recopilada a la siguiente URL a través de HTTP POST:

• {BLOCKED}.{BLOCKED}.171.51:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.140.187:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.222.145:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.227.247:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.206.228:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.148.136:4143/{Random Strings}
• {BLOCKED}.{BLOCKED}.12.221:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.252.27:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.19.157:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.211.211:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.94.183:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.248.48:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.44.53:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.93.123:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.160.193:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.175.216:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.151.19:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.96.242:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.50.164:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.212.42:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.90.90:7080/{Random Strings}
• {BLOCKED}.{BLOCKED}.69.165:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.79.48:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.29.90:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.85.35:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.230.41:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.117.247:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.166.192:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.99.129:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.142.40:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.62.186:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.126.2:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.52.242:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.101.13:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.52.146:20/{Random Strings}
• {BLOCKED}.{BLOCKED}.163.9:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.131.215:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.88.13:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.148.222:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.206.153:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.199.254:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.150.209:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.126.66:80/{Random Strings}
• {BLOCKED}.{BLOCKED}.105.16:465/{Random Strings}
• {BLOCKED}.{BLOCKED}.213.173:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.6.78:7080/{Random Strings}
• {BLOCKED}.{BLOCKED}.128.163:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.33.82:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.112.70:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.1.74:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.203.51:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.215.57:7080/{Random Strings}
• {BLOCKED}.{BLOCKED}.185.71:465/{Random Strings}
• {BLOCKED}.{BLOCKED}.254.93:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.54.77:20/{Random Strings}
• {BLOCKED}.{BLOCKED}.200.27:443/{Random Strings}
• {BLOCKED}.{BLOCKED}.45.129:8080/{Random Strings}
• {BLOCKED}.{BLOCKED}.143.100:7080/{Random Strings}
• where the {Random Strings} are as follows:
  • teapot
  • pnp
  • tpt
  • splash
  • site
  • codec
  • health
  • balloon
  • cab
  • odbc
  • badge
  • dma
  • psec
  • cookies
  • iplk
  • devices
  • enable
  • mult
  • prov
  • vermont
  • attrib
  • schema
  • iab
  • chunk
  • publish
  • prep
  • srvc
  • sess
  • ringin
  • nsip
  • stubs
  • img
  • add
  • xian
  • jit
  • free
  • pdf
  • loadan
  • arizona
  • tlb
  • forced
  • results
  • symbols
  • report
  • guids
  • taskbar
  • child
  • cone
  • glitch
  • entries
  • between
  • bml
  • usbccid
  • sym
  • enabled
  • merge
  • window
  • scripts
  • raster
  • acquire
  • json
  • rtm
  • walk
  • ban

Otros detalles

Hace lo siguiente:

• It creates the service for persistence if the sample is executed with administrative privileges, otherwise it does not have any persistence.
• It combines any two of the following strings and uses it as its filename "{String1}{String2}":
  • rel
  • tables
  • glue
  • impl
  • texture
  • related
  • key
  • nis
  • langs
  • iprop
  • exec
  • wrap
  • matrix
  • dump
  • phoenix
  • ribbon
  • sorting
  • pinned
  • lics
  • bit
  • unpack
  • adt
  • rep
  • jobs
  • acl
  • title
  • sound
  • events
  • targets
  • scrn
  • mheg
  • lines
  • prompt
  • adjust
  • xian
  • ser
  • cycle
  • redist
  • its
  • boxes
  • dma
  • small
  • cloud
  • flow
  • guiddef
  • whole
  • parent
  • bears
  • random
  • bulk
  • idebug
  • viewer
  • starta
  • comment
  • sel
  • source
  • hotspot
  • pnf
  • portal
  • sitka
  • iell
  • slide
  • typ
  • sonic
• It deletes outdated copies of itself with a combination of any two of the following strings as its file name:
  • not
  • ripple
  • svcs
  • serv
  • wab
  • shader
  • single
  • without
  • wcs
  • define
  • eap
  • culture
  • slide
  • zip
  • tmpl
  • mini
  • polic
  • panes
  • earcon
  • menus
  • detect
  • form
  • uuidgen
  • pnp
  • admin
  • tuip
  • avatar
  • started
  • dasmrc
  • alaska
  • guids
  • wfp
  • adam
  • wgx
  • lime
  • indexer
  • repl
  • dev
  • mapi
  • resw
  • daf
  • diag
  • iss
  • vsc
  • turned
  • neutral
  • sat
  • source
  • enroll
  • mfidl
  • idl
  • based
  • right
  • cbs
  • radar
  • avg
  • wordpad
  • metagen
  • mouse
  • iprop
  • mdmmcd
  • jersey
  • thunk
  • subs