Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 16:40

General

  • Target

    229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe

  • Size

    450KB

  • MD5

    229206674159b840bbf5aa6ad232f238

  • SHA1

    91a0e5acc4ca3078be2ec9e5bbd539fae16ca35b

  • SHA256

    32b870cd93337815674a72fc3d334ef4a88c05f93002bd5bf70aaaa586c80f52

  • SHA512

    3910fbd13fcd12629524b99277b3dba9740a3906ccc167561967ea3dd8a7b2c8d25da6cc96965e6456beb7edc9743217a1fef8433577b73adbb15a451706ad2a

  • SSDEEP

    6144:fsDtWbyJoK1nWbCbcRtmDzyn3Qo6k7UtPclWUHI8tYV:ktWbaoAntcvQnLPw7HO

Malware Config

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • 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.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4056
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "229206674159b840bbf5aa6ad232f238_JaffaCakes118.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1776
      2⤵
      • Program crash
      PID:3500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1784
      2⤵
      • Program crash
      PID:3144
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1948 -ip 1948
    1⤵
      PID:1060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1948 -ip 1948
      1⤵
        PID:868

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1948-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

        Filesize

        1024KB

      • memory/1948-2-0x0000000002CD0000-0x0000000002D1A000-memory.dmp

        Filesize

        296KB

      • memory/1948-3-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1948-6-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1948-5-0x0000000002CD0000-0x0000000002D1A000-memory.dmp

        Filesize

        296KB

      • memory/1948-4-0x0000000000400000-0x0000000002B6C000-memory.dmp

        Filesize

        39.4MB