Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 17:29

General

  • Target

    fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe

  • Size

    782KB

  • MD5

    f48321315b6243f8a68c81f742237119

  • SHA1

    5362e11b2fab8a0fe25aab50d34dcc196aa50dd7

  • SHA256

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec

  • SHA512

    b5bdb53a130af093a452343ffe9d232b91a31a41089c11cd7be46606a6de5ed14559337d0d1ad150442c734067a833bf5177bbd3509679c87a1a76065b6cdc34

  • SSDEEP

    12288:QVIR4R52J+XtIK6YMNM7zPNQZDwzxeWh3/2Knr5CQikJYLHtaIR:QVIeeXKCNM7x0SJOePKgI

Malware Config

Extracted

Family

vipkeylogger

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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe
    "C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1796
    • 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\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2164
    • C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe
      "C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
      2⤵
        PID:1908
      • C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe
        "C:\Users\Admin\AppData\Local\Temp\fiyati_teklif65W20_BykmokaptoSiparii_PDF_.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1796-0-0x000000007463E000-0x000000007463F000-memory.dmp

      Filesize

      4KB

    • memory/1796-1-0x00000000009C0000-0x0000000000A8A000-memory.dmp

      Filesize

      808KB

    • memory/1796-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/1796-3-0x0000000000420000-0x0000000000438000-memory.dmp

      Filesize

      96KB

    • memory/1796-4-0x000000007463E000-0x000000007463F000-memory.dmp

      Filesize

      4KB

    • memory/1796-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/1796-6-0x00000000074A0000-0x000000000752E000-memory.dmp

      Filesize

      568KB

    • memory/1796-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2652-15-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-8-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2652-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB

    • memory/2652-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2652-24-0x0000000074630000-0x0000000074D1E000-memory.dmp

      Filesize

      6.9MB