Analysis

  • max time kernel
    120s
  • max time network
    144s
  • 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 06:52

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:3824
    • 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:5024
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EjCHCEGQPyQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD84F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1492
    • 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:3040

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_qvnttjb1.wym.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD84F.tmp

    Filesize

    1KB

    MD5

    cd2425a3b8da6d1ebe5d3330a9b67010

    SHA1

    8e775323857cad1cef996afbb5c1e25fd870fd36

    SHA256

    e6c75987deea4440ac5b4f4e5012ab803b8f123e59c880eb7e19a3c9adef0179

    SHA512

    80864bf36d79bc640081bc9692b0ab62701df980a82b1426f33b035d507552e7cd66b13b13ebc8bc5db43b988e80b547a20e4e9a00cf8e9851abfb1d43c5f7e6

  • memory/3040-68-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-29-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3040-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3040-66-0x0000000006B50000-0x0000000006D12000-memory.dmp

    Filesize

    1.8MB

  • memory/3040-67-0x00000000069F0000-0x0000000006A40000-memory.dmp

    Filesize

    320KB

  • memory/3824-5-0x0000000005910000-0x000000000591A000-memory.dmp

    Filesize

    40KB

  • memory/3824-9-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3824-10-0x00000000030B0000-0x000000000313E000-memory.dmp

    Filesize

    568KB

  • memory/3824-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/3824-8-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/3824-7-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/3824-6-0x00000000059E0000-0x0000000005A7C000-memory.dmp

    Filesize

    624KB

  • memory/3824-28-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3824-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3824-3-0x0000000005770000-0x0000000005802000-memory.dmp

    Filesize

    584KB

  • memory/3824-2-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/3824-1-0x0000000000CB0000-0x0000000000D78000-memory.dmp

    Filesize

    800KB

  • memory/5024-15-0x0000000002620000-0x0000000002656000-memory.dmp

    Filesize

    216KB

  • memory/5024-55-0x0000000007280000-0x000000000729A000-memory.dmp

    Filesize

    104KB

  • memory/5024-22-0x0000000004E90000-0x0000000004EB2000-memory.dmp

    Filesize

    136KB

  • memory/5024-24-0x0000000004FA0000-0x0000000005006000-memory.dmp

    Filesize

    408KB

  • memory/5024-26-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-23-0x0000000004F30000-0x0000000004F96000-memory.dmp

    Filesize

    408KB

  • memory/5024-39-0x0000000005F50000-0x0000000005F6E000-memory.dmp

    Filesize

    120KB

  • memory/5024-40-0x0000000005FF0000-0x000000000603C000-memory.dmp

    Filesize

    304KB

  • memory/5024-52-0x0000000006500000-0x000000000651E000-memory.dmp

    Filesize

    120KB

  • memory/5024-53-0x0000000007120000-0x00000000071C3000-memory.dmp

    Filesize

    652KB

  • memory/5024-42-0x0000000070B40000-0x0000000070B8C000-memory.dmp

    Filesize

    304KB

  • memory/5024-41-0x0000000006520000-0x0000000006552000-memory.dmp

    Filesize

    200KB

  • memory/5024-54-0x00000000078C0000-0x0000000007F3A000-memory.dmp

    Filesize

    6.5MB

  • memory/5024-27-0x00000000059C0000-0x0000000005D14000-memory.dmp

    Filesize

    3.3MB

  • memory/5024-56-0x00000000072F0000-0x00000000072FA000-memory.dmp

    Filesize

    40KB

  • memory/5024-57-0x0000000007500000-0x0000000007596000-memory.dmp

    Filesize

    600KB

  • memory/5024-58-0x0000000007480000-0x0000000007491000-memory.dmp

    Filesize

    68KB

  • memory/5024-59-0x00000000074B0000-0x00000000074BE000-memory.dmp

    Filesize

    56KB

  • memory/5024-60-0x00000000074C0000-0x00000000074D4000-memory.dmp

    Filesize

    80KB

  • memory/5024-61-0x00000000075C0000-0x00000000075DA000-memory.dmp

    Filesize

    104KB

  • memory/5024-62-0x00000000075A0000-0x00000000075A8000-memory.dmp

    Filesize

    32KB

  • memory/5024-65-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-17-0x0000000005390000-0x00000000059B8000-memory.dmp

    Filesize

    6.2MB