Analysis

  • max time kernel
    122s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2024 08:18

General

  • Target

    RFQ__PO_6353637355363-PDF____PDF.exe

  • Size

    750KB

  • MD5

    130040cd45252a0e1cabdc3f6398881c

  • SHA1

    948c573d9946d207de85e03df1f92680d88b2d42

  • SHA256

    8c1d7041e76efaf68b0c70000b850b3c80111d44114a421cb52e0d503947b96d

  • SHA512

    d465d96be19fdef320269d12170d258178bc078e2313b23a0d24a4b2e92db714851fe53a636a707d18a152fd4741cab33f70ad8e23bda06cb4d255172b5d4ad6

  • SSDEEP

    12288:rbeXOvvHy9lYZInZp3ZL2dnMZghB72/Mbim/fr8iOPXJAtISNtphdtxvWrUPb:XeXiZInZp3ZaJeg4MmofwbYr5dtxWrUz

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.

  • 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 WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____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:2296
    • 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\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2036
    • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
        PID:1504
      • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-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:2392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2296-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

      Filesize

      4KB

    • memory/2296-1-0x0000000000DE0000-0x0000000000EA2000-memory.dmp

      Filesize

      776KB

    • memory/2296-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2296-3-0x0000000000710000-0x000000000072C000-memory.dmp

      Filesize

      112KB

    • memory/2296-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

      Filesize

      4KB

    • memory/2296-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2296-6-0x0000000004750000-0x00000000047DE000-memory.dmp

      Filesize

      568KB

    • memory/2296-23-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2392-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2392-22-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2392-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2392-24-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2392-27-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2392-28-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB