Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 22:22

General

  • Target

    43927ccb56059e63c24b435ca80af0c9_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    43927ccb56059e63c24b435ca80af0c9

  • SHA1

    53ae813e05d3cccb79973c53c93e1a0bddb716a4

  • SHA256

    f5bfb4b2895e60f74e852064ecff73baeb210f0c9194c469d824c372a60a3fd0

  • SHA512

    f33c0163fc34a81efbdf769ce804c91d49db761d1f97e2c7faf5435bdee762cc5583ea9892f7152898e174a4e4f01c0169decc2ec7bae40fc3df6435b9e919dc

  • SSDEEP

    768:lDFIqtjRaaq2AOa6TnwVDZ1RO8YSEQJt1H7a8jFk+Zxqfcw9Xe8oXttu:fIsT7YzDZ16SEQJjZx0cw9Xe8oO

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43927ccb56059e63c24b435ca80af0c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\43927ccb56059e63c24b435ca80af0c9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Users\Admin\mauezab.exe
      "C:\Users\Admin\mauezab.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\mauezab.exe

    Filesize

    88KB

    MD5

    7707cfb26755d004df891ca3b68d5fdd

    SHA1

    d89d97f7eef94f5a542fd4208f35a49166cf950e

    SHA256

    321bbbaba66260e75cc7a0e86d5deccf02b659099adbc79317211330326a6900

    SHA512

    e82d4332f1b401bea89512b8fe214430a0aa100fbe6657ee490479a5433f939b43da1b401919807704cc5d1b6963dccdcf5d66c8df6013eba97a93538712261c