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
    27-11-2024 11:15

General

  • Target

    a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe

  • Size

    304KB

  • MD5

    a7946c9b215e4d6a26dfddb131d04e69

  • SHA1

    f1b056dc1900fc8200b93186677aa6e3c9c92e07

  • SHA256

    697798d7b063108abe8c5ea01ed847e75fc1bb7fb3649b83298df4bcfa6ff916

  • SHA512

    c11bca2b8931705476f6e4854a8897c3e2a1df129392630e28889ee091f1224cc987b3362e363ca43a8d8e9c1caf446bd86830224bccb07d8d8181f06e3cf665

  • SSDEEP

    6144:65gGL/GRvMWvddCLPAnJRD3smuShCpr/5OCYAWsKV:efevPuPAnJRjZM/5ORH

Malware Config

Signatures

  • GCleaner

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

  • Gcleaner family
  • 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 1 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\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a7946c9b215e4d6a26dfddb131d04e69_JaffaCakes118.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 1824
      2⤵
      • Program crash
      PID:912
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3484 -ip 3484
    1⤵
      PID:2168

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3484-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

      Filesize

      1024KB

    • memory/3484-2-0x0000000004890000-0x00000000048DA000-memory.dmp

      Filesize

      296KB

    • memory/3484-3-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3484-6-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/3484-5-0x0000000004890000-0x00000000048DA000-memory.dmp

      Filesize

      296KB

    • memory/3484-4-0x0000000000400000-0x0000000002C84000-memory.dmp

      Filesize

      40.5MB