Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 13:12

General

  • Target

    FT876567090.exe

  • Size

    764KB

  • MD5

    773778752662f5a81d6b7a2015890b79

  • SHA1

    662be6bed03ec5afac72029459157d7908797622

  • SHA256

    86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c

  • SHA512

    6f3cc620230339aa6ca7f988342e463feffca6c2be0023cb96879a6fe161a9868f0f702027be0487942c2fc2130a026f93f8efd5f7ff9cc0cbfb18fcff6bc598

  • SSDEEP

    12288:2jlIpHtMPku+l0CPPZlhn/3EHE69r3WJ/Ggh6Yz6Co7bbJ/k5ggzBv7V:2jlIhSPd+p9/AEESd5z5o7b9XgzBZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vvtrade.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qVyP6qyv6MQCmZJBRs4t

Extracted

Family

vipkeylogger

Credentials
C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FT876567090.exe
    "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EYDNKhhJr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EYDNKhhJr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD06.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3432
    • C:\Users\Admin\AppData\Local\Temp\FT876567090.exe
      "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FT876567090.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    e3dd0937661b5f18371cc1cf58274c13

    SHA1

    63ae936913d948092db7571c747688fa21662530

    SHA256

    00cd5a27c9b53901acbdfc1d6da0a9331026ad0289b56ec4bb991ee11815b89c

    SHA512

    61ceaa5123871f4743f503ad00e17c84bfd3db6fb948aebbf7c1f4294c06d02c10328a1b9366a7a85de51a1aad8961143bf5a8d44ec8d45f59d9a38a568b08b9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0z3xiqxb.le2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBD06.tmp

    Filesize

    1KB

    MD5

    41bd28affe24fc72d473082a2c2459b0

    SHA1

    c1c9e9992e04e89532b19a06b2609cb58f80b58d

    SHA256

    a3aa8b2ec2f9943aef812008072249486997d9b4f90b5dd7ea291cd08e053010

    SHA512

    c5cb484d0eb1d0a73264ce212549d15d29f1e99e7e815ef97617d21a69ed39df581fceddda959b41546daa5ffaa2ea5210490f13d0cb5b7a141b84a97cd01e7e

  • memory/1488-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-6-0x0000000006880000-0x00000000068A6000-memory.dmp

    Filesize

    152KB

  • memory/1488-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/1488-8-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-9-0x0000000003090000-0x000000000310E000-memory.dmp

    Filesize

    504KB

  • memory/1488-10-0x000000000C620000-0x000000000C6BC000-memory.dmp

    Filesize

    624KB

  • memory/1488-50-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-5-0x0000000005740000-0x000000000574A000-memory.dmp

    Filesize

    40KB

  • memory/1488-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/1488-3-0x0000000005680000-0x0000000005712000-memory.dmp

    Filesize

    584KB

  • memory/1488-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/1488-1-0x0000000000BE0000-0x0000000000CA6000-memory.dmp

    Filesize

    792KB

  • memory/2688-94-0x00000000065C0000-0x0000000006610000-memory.dmp

    Filesize

    320KB

  • memory/2688-49-0x0000000005000000-0x0000000005050000-memory.dmp

    Filesize

    320KB

  • memory/2688-93-0x0000000006740000-0x0000000006902000-memory.dmp

    Filesize

    1.8MB

  • memory/2688-45-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2688-52-0x00000000050D0000-0x000000000511E000-memory.dmp

    Filesize

    312KB

  • memory/2688-95-0x0000000006E40000-0x000000000736C000-memory.dmp

    Filesize

    5.2MB

  • memory/2688-46-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3196-17-0x0000000004F00000-0x0000000005528000-memory.dmp

    Filesize

    6.2MB

  • memory/3196-55-0x0000000070240000-0x000000007028C000-memory.dmp

    Filesize

    304KB

  • memory/3196-44-0x00000000059F0000-0x0000000005D44000-memory.dmp

    Filesize

    3.3MB

  • memory/3196-15-0x0000000004890000-0x00000000048C6000-memory.dmp

    Filesize

    216KB

  • memory/3196-16-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-91-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-85-0x0000000007480000-0x0000000007488000-memory.dmp

    Filesize

    32KB

  • memory/3196-81-0x0000000007360000-0x0000000007371000-memory.dmp

    Filesize

    68KB

  • memory/3196-71-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

    Filesize

    120KB

  • memory/3196-84-0x00000000074A0000-0x00000000074BA000-memory.dmp

    Filesize

    104KB

  • memory/3196-76-0x0000000006E50000-0x0000000006EF3000-memory.dmp

    Filesize

    652KB

  • memory/3196-77-0x00000000077A0000-0x0000000007E1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3196-78-0x0000000007160000-0x000000000717A000-memory.dmp

    Filesize

    104KB

  • memory/3196-79-0x00000000071D0000-0x00000000071DA000-memory.dmp

    Filesize

    40KB

  • memory/3196-82-0x0000000007390000-0x000000000739E000-memory.dmp

    Filesize

    56KB

  • memory/3680-56-0x0000000070240000-0x000000007028C000-memory.dmp

    Filesize

    304KB

  • memory/3680-80-0x0000000007D90000-0x0000000007E26000-memory.dmp

    Filesize

    600KB

  • memory/3680-83-0x0000000007D50000-0x0000000007D64000-memory.dmp

    Filesize

    80KB

  • memory/3680-54-0x0000000007780000-0x00000000077B2000-memory.dmp

    Filesize

    200KB

  • memory/3680-28-0x0000000006010000-0x0000000006076000-memory.dmp

    Filesize

    408KB

  • memory/3680-20-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3680-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3680-27-0x0000000005F70000-0x0000000005F92000-memory.dmp

    Filesize

    136KB

  • memory/3680-92-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3680-34-0x00000000061B0000-0x0000000006216000-memory.dmp

    Filesize

    408KB

  • memory/3680-53-0x0000000006800000-0x000000000684C000-memory.dmp

    Filesize

    304KB

  • memory/3680-51-0x00000000067D0000-0x00000000067EE000-memory.dmp

    Filesize

    120KB