Analysis

  • max time kernel
    148s
  • max time network
    277s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 06:44

General

  • Target

    20250103141459859.pdf_______________________________________________________________________________________________________.exe

  • Size

    775KB

  • MD5

    7c14dc5ef95870c931fcf8f09c96e888

  • SHA1

    35c351c8fb09dc1c5b799e125ab415106c28114c

  • SHA256

    d6168f5b1dbb8cd348064262e9f91f0d41d9f49e417d2ac13dc7de58c7d92968

  • SHA512

    43291be4ce5a26d137a6e2729532a55ae12414d09163ca6eea503381b9c523a41c041e511e6081323e1360b364e99103a5b82cce3fc2dea6f1b92d6172d92881

  • SSDEEP

    12288:JaLvWa+kbJSanAJ4fESIlpQrB9qpKUV0i/HnlYtk7ZnWU7WWFZLubgL3d6NlDXZr:/kmJ+4crB9g0GnTWUaWFJ7dOpXAO

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7784580930:AAGMCki8hBwu16UwwjATu3X8TvVLB-VhfaE/sendMessage?chat_id=5302361040

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 1 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 3 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 4 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20250103141459859.pdf_______________________________________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\20250103141459859.pdf_______________________________________________________________________________________________________.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EjCHCEGQPyQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3084
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EjCHCEGQPyQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6918.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\20250103141459859.pdf_______________________________________________________________________________________________________.exe
      "C:\Users\Admin\AppData\Local\Temp\20250103141459859.pdf_______________________________________________________________________________________________________.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:3156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\20250103141459859.pdf_______________________________________________________________________________________________________.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_udai0rta.dkj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6918.tmp

    Filesize

    1KB

    MD5

    35844e9542c50b4bd59ea72b2231020b

    SHA1

    025518eae400944e90e0a0b3c29df63178e0a677

    SHA256

    ef7bd57bd4b8dcd47e2fbe8bea33a0e23fe4ade2f352219918f3fccbb0c97a4b

    SHA512

    a667a6bb752c55bef3b29f964a90457b6c67382d2be49321f00a9ef213ce1c8c83382143629873cec234202b0910fa2014d4df80ef541acfc140bdee80a0d11c

  • memory/3084-32-0x0000000005570000-0x00000000055D6000-memory.dmp

    Filesize

    408KB

  • memory/3084-61-0x0000000007160000-0x0000000007174000-memory.dmp

    Filesize

    80KB

  • memory/3084-56-0x0000000006F20000-0x0000000006F3A000-memory.dmp

    Filesize

    104KB

  • memory/3084-55-0x0000000007560000-0x0000000007BDA000-memory.dmp

    Filesize

    6.5MB

  • memory/3084-54-0x0000000006DC0000-0x0000000006E63000-memory.dmp

    Filesize

    652KB

  • memory/3084-53-0x00000000061A0000-0x00000000061BE000-memory.dmp

    Filesize

    120KB

  • memory/3084-43-0x0000000070450000-0x000000007049C000-memory.dmp

    Filesize

    304KB

  • memory/3084-66-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-15-0x0000000004620000-0x0000000004656000-memory.dmp

    Filesize

    216KB

  • memory/3084-16-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-38-0x0000000005710000-0x0000000005A64000-memory.dmp

    Filesize

    3.3MB

  • memory/3084-63-0x0000000007240000-0x0000000007248000-memory.dmp

    Filesize

    32KB

  • memory/3084-42-0x00000000061C0000-0x00000000061F2000-memory.dmp

    Filesize

    200KB

  • memory/3084-62-0x0000000007260000-0x000000000727A000-memory.dmp

    Filesize

    104KB

  • memory/3084-41-0x0000000005C90000-0x0000000005CDC000-memory.dmp

    Filesize

    304KB

  • memory/3084-57-0x0000000006F90000-0x0000000006F9A000-memory.dmp

    Filesize

    40KB

  • memory/3084-24-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-28-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/3084-60-0x0000000007150000-0x000000000715E000-memory.dmp

    Filesize

    56KB

  • memory/3084-59-0x0000000007120000-0x0000000007131000-memory.dmp

    Filesize

    68KB

  • memory/3084-18-0x0000000004D60000-0x0000000005388000-memory.dmp

    Filesize

    6.2MB

  • memory/3084-58-0x00000000071A0000-0x0000000007236000-memory.dmp

    Filesize

    600KB

  • memory/3084-19-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3084-27-0x0000000004D30000-0x0000000004D52000-memory.dmp

    Filesize

    136KB

  • memory/3084-40-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/3156-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3156-39-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-67-0x0000000006650000-0x0000000006812000-memory.dmp

    Filesize

    1.8MB

  • memory/3156-68-0x00000000064D0000-0x0000000006520000-memory.dmp

    Filesize

    320KB

  • memory/3156-69-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-37-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3156-70-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-3-0x0000000005130000-0x00000000051C2000-memory.dmp

    Filesize

    584KB

  • memory/4616-6-0x0000000005380000-0x000000000541C000-memory.dmp

    Filesize

    624KB

  • memory/4616-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4616-1-0x00000000005F0000-0x00000000006B8000-memory.dmp

    Filesize

    800KB

  • memory/4616-23-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4616-4-0x00000000050A0000-0x00000000050AA000-memory.dmp

    Filesize

    40KB

  • memory/4616-10-0x0000000002A00000-0x0000000002A8E000-memory.dmp

    Filesize

    568KB

  • memory/4616-9-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4616-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4616-7-0x00000000055B0000-0x00000000055CE000-memory.dmp

    Filesize

    120KB

  • memory/4616-5-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB