Analysis

  • max time kernel
    0s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 12:29

General

  • Target
    GOLAYA-DEVOCHKA.exe
  • Size 149KB
  • Sample231226-ppdctacfd2
  • SHA256 211901e1229d7b816754146ff8d7167e8a92211afe63dc44eb8056d0b054a12a
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GOLAYA-DEVOCHKA.exe
    "C:\Users\Admin\AppData\Local\Temp\GOLAYA-DEVOCHKA.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\salst\ogurets\osjovnofr.vbs"
      2⤵
        PID:1456
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\salst\ogurets\podkati.bat" "
        2⤵
        • Drops file in Drivers directory
        PID:4272
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\salst\ogurets\all3.vbs"
      1⤵
        PID:1424

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            podkati.bat

            • Path C:\Program Files (x86)\salst\ogurets\podkati.bat
            • Size 3KB
            • SHA256 72375ee539442bf129b7ad6c3dbc68728b16a2106cef403000f26a833dd12322
            • MD5 SHA1 SHA512

            polenolll.pof

            • Path C:\Program Files (x86)\salst\ogurets\polenolll.pof
            • Size 27B
            • SHA256 9681429a2b00c27fe6cb0453f255024813944a7cd460d18797e3c35e81c53d69
            • MD5 SHA1 SHA512

            memory/2056-55-0x0000000000400000-0x0000000000422000-memory.dmp