TROJ_VICEPASS.A

March 09, 2015
 Analysis by: Homer Pacag
 ALIASES:

W32/VICEPASS.A!tr (Fortinet);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet, Dropped by other malware

This Trojan targets routers and attempts to log in to all the devices connected to the routers. It pretends to be an Adobe Flash update.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

This Trojan 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 a website to send and receive information.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

87,040 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

24 Feb 2015

Payload:

Connects to URLs/IPs, Steals information

Arrival Details

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

Installation

This Trojan drops the following component file(s):

  • l - contains default and random login names, deleted after execution
  • p - contains default and random passwords, deleted after execution

Backdoor Routine

This Trojan connects to the following websites to send and receive information:

  • http://{BLOCKED}um.net/index.php

Other Details

This Trojan deletes itself after execution.

NOTES:

This Trojan tries to check the private network IPs: {BLOCKED}2.{BLOCKED}8.[0-6].[0-11] and uses l and p files to try to login using listed login names and passwords respectively.

It also checks for the following strings when accessing the Private network IPs:

  • dlink
  • d-link
  • laserjet
  • apache
  • cisco
  • gigaset
  • asus
  • apple
  • iphone
  • ipad
  • logitech
  • samsung
  • xbox

This malware uses the following list of possible user names:

  • admin
  • Admin
  • administrator
  • Administrator
  • bbsd-client
  • blank
  • cmaker
  • d-link
  • D-Link
  • guest
  • hsa
  • netrangr
  • root
  • supervisor
  • user
  • webadmin
  • wlse

It uses the following list of passwords:

  • _Cisco
  • 0000
  • 000000
  • 1000
  • 1111
  • 111111
  • 1111111
  • 11111111
  • 111111111
  • 112233
  • 1212
  • 121212
  • 123123
  • 123123Aa
  • 123321
  • 1234
  • 12345
  • 123456
  • 1234567
  • 12345678
  • 123456789
  • 1234567890
  • 1234qwer
  • 123ewq
  • 123qwe
  • 131313
  • 159753
  • 1q2w3e4r
  • 1q2w3e4r5t
  • 1q2w3e4r5t6y7u8i9o0p
  • 1qaz2wsx
  • 2000
  • 2112
  • 2222
  • 222222
  • 232323
  • 321123
  • 321321
  • 3333
  • 4444
  • 654321
  • 666666
  • 6969
  • 7777
  • 777777
  • 7777777
  • 88888888
  • 987654
  • 987654321
  • 999999999
  • abc123
  • abc123
  • abcdef
  • access
  • adm
  • admin
  • Admin
  • Administrator
  • alpine
  • Amd
  • angel
  • asdfgh
  • attack
  • baseball
  • batman
  • blender
  • career
  • changeme
  • changeme2
  • Cisco
  • cisco
  • cmaker
  • connect
  • default
  • diamond
  • D-Link
  • dragon
  • ewq123
  • ewq321
  • football
  • gfhjkm
  • god
  • hsadb
  • ilove
  • iloveyou
  • internet
  • Internet
  • jesus
  • job
  • killer
  • klaster
  • letmein
  • link
  • marina
  • master
  • monkey
  • mustang
  • newpass
  • passwd
  • password
  • password0
  • password1
  • pepper
  • pnadmin
  • private
  • public
  • qazwsx
  • qwaszx
  • qwe123
  • qwe321
  • qweasd
  • qweasdzxc
  • qweqwe
  • qwerty
  • qwerty123
  • qwertyuiop
  • ripeop
  • riverhead
  • root
  • secret
  • secur4u
  • sex
  • shadow
  • sky
  • superman
  • supervisor
  • system
  • target123
  • the
  • tinkle
  • tivonpw
  • user
  • User
  • wisedb
  • work
  • zaq123wsx
  • zaq12wsx
  • zaq1wsx
  • zxcv
  • zxcvb
  • zxcvbn
  • zxcvbnm

  SOLUTION

Minimum Scan Engine:

9.750

FIRST VSAPI PATTERN FILE:

11.502.09

FIRST VSAPI PATTERN DATE:

24 Feb 2015

VSAPI OPR PATTERN File:

11.503.00

VSAPI OPR PATTERN Date:

24 Feb 2015

Scan your computer with your Trend Micro product to delete files detected as TROJ_VICEPASS.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.


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