Analysis

  • max time kernel
    128s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 03:14

General

  • Target

    Teklif Talebi__77252662______PDF_PDF.exe

  • Size

    766KB

  • MD5

    3e9424c0379b02d4a15cbd5a0748757b

  • SHA1

    bdf1a9dc926aff66b99708180b2f06e2606cff0e

  • SHA256

    37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3

  • SHA512

    ec522b61c1910e26266fcb37158e4a1fd0436905ce4c5e6841e652b27b9b91170cce2e9b22b60491637b96cc6a9779dd10f84c998321a869684ff9b65b01f6b7

  • SSDEEP

    12288:onCb+eCSmwdQxXiX4XxZ3xgeHcC+mxtpPrEzIlTBtMu04qxA9TWAp73JWA0hpsy:ouCqdISohNxgs+mRDdFtMu04qxyTWApb

Malware Config

Extracted

Family

vipkeylogger

Credentials

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 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Teklif Talebi__77252662______PDF_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Teklif Talebi__77252662______PDF_PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3932
    • 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\Teklif Talebi__77252662______PDF_PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2024
    • C:\Users\Admin\AppData\Local\Temp\Teklif Talebi__77252662______PDF_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Teklif Talebi__77252662______PDF_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:468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1anz10ky.3q2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/468-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/468-14-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/468-63-0x0000000006360000-0x00000000063B0000-memory.dmp

    Filesize

    320KB

  • memory/468-62-0x00000000064E0000-0x00000000066A2000-memory.dmp

    Filesize

    1.8MB

  • memory/468-61-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/468-15-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-33-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-21-0x00000000057B0000-0x0000000005816000-memory.dmp

    Filesize

    408KB

  • memory/2024-55-0x0000000007350000-0x0000000007364000-memory.dmp

    Filesize

    80KB

  • memory/2024-54-0x0000000007340000-0x000000000734E000-memory.dmp

    Filesize

    56KB

  • memory/2024-53-0x0000000007310000-0x0000000007321000-memory.dmp

    Filesize

    68KB

  • memory/2024-52-0x0000000007390000-0x0000000007426000-memory.dmp

    Filesize

    600KB

  • memory/2024-57-0x0000000007430000-0x0000000007438000-memory.dmp

    Filesize

    32KB

  • memory/2024-60-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-16-0x00000000024C0000-0x00000000024F6000-memory.dmp

    Filesize

    216KB

  • memory/2024-50-0x0000000007110000-0x000000000712A000-memory.dmp

    Filesize

    104KB

  • memory/2024-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp

    Filesize

    6.2MB

  • memory/2024-19-0x0000000004D20000-0x0000000004D42000-memory.dmp

    Filesize

    136KB

  • memory/2024-20-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/2024-56-0x0000000007450000-0x000000000746A000-memory.dmp

    Filesize

    104KB

  • memory/2024-22-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-51-0x0000000007180000-0x000000000718A000-memory.dmp

    Filesize

    40KB

  • memory/2024-18-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2024-32-0x0000000005820000-0x0000000005B74000-memory.dmp

    Filesize

    3.3MB

  • memory/2024-34-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

    Filesize

    120KB

  • memory/2024-35-0x0000000005E90000-0x0000000005EDC000-memory.dmp

    Filesize

    304KB

  • memory/2024-36-0x00000000063B0000-0x00000000063E2000-memory.dmp

    Filesize

    200KB

  • memory/2024-37-0x0000000070090000-0x00000000700DC000-memory.dmp

    Filesize

    304KB

  • memory/2024-47-0x0000000006420000-0x000000000643E000-memory.dmp

    Filesize

    120KB

  • memory/2024-48-0x0000000006FE0000-0x0000000007083000-memory.dmp

    Filesize

    652KB

  • memory/2024-49-0x0000000007760000-0x0000000007DDA000-memory.dmp

    Filesize

    6.5MB

  • memory/3932-13-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/3932-4-0x0000000005200000-0x000000000529C000-memory.dmp

    Filesize

    624KB

  • memory/3932-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

    Filesize

    5.6MB

  • memory/3932-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/3932-10-0x0000000007E30000-0x0000000007EBE000-memory.dmp

    Filesize

    568KB

  • memory/3932-9-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/3932-8-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/3932-7-0x0000000005420000-0x000000000543C000-memory.dmp

    Filesize

    112KB

  • memory/3932-6-0x0000000005130000-0x000000000513A000-memory.dmp

    Filesize

    40KB

  • memory/3932-5-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/3932-1-0x00000000005C0000-0x0000000000686000-memory.dmp

    Filesize

    792KB

  • memory/3932-3-0x0000000005060000-0x00000000050F2000-memory.dmp

    Filesize

    584KB