Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 10:30

General

  • Target

    ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe

  • Size

    7.6MB

  • MD5

    ae00b03b8ae74bb286db5f1dc8f21073

  • SHA1

    abf67a1f4e8180c97f6e4a25736068bfc47bbd83

  • SHA256

    ee5165770d6d8b72b861f3ed1c29d06c77d2cecf55c59791a18b4b434af8a047

  • SHA512

    0b9dbb7e6c2eba944e24dbbe31e7a90cdaafa456a892846be2ee5421bcef45a6254bbd0e1b12dda90c682f06583f38a50dc723476c85bae617af019aab6d9de8

  • SSDEEP

    196608:fMUD+WfsFxUclpQzeqid/FbYPqRyBMuctHF/Qs0sicj6:fMUBEKc0mtH8Jcj6

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ae00b03b8ae74bb286db5f1dc8f21073_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im KuaiZip.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:392
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im Update.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4156
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im KZReport.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4596
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im UpdateChecker.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
    1⤵
      PID:640

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads