Analysis

  • max time kernel
    144s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 11:57

General

  • Target

    677f7c42f79a0a58760056529739fdd6_JaffaCakes118.exe

  • Size

    452KB

  • MD5

    677f7c42f79a0a58760056529739fdd6

  • SHA1

    c05b90eb5caf8c2dca610b6f7253fe58b5c4a6a3

  • SHA256

    07c7d7e3f4da80983f09256241d8cc0b3f986f31ef65af2fa87b03c11cdebb65

  • SHA512

    0e8e3b4042af7eddbc51a0f1552c504a08880f554c406b81f55fc9a8c0c4ac23ecd295c92d0741c66ed60749ca39999c9cbead1bcc7c94cf6e141f2188587389

  • SSDEEP

    6144:CbtQmb25Zh18hqJbDqSB7Lvq2XsjYiVmOf7Yp4jOa9UpE:CmmCVRtPvq2+d/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\677f7c42f79a0a58760056529739fdd6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\677f7c42f79a0a58760056529739fdd6_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2508
      • C:\Users\Admin\AppData\Local\Temp\temp.exe
        "C:\Users\Admin\AppData\Local\Temp\temp.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4844
    • C:\Windows\system32\sysprep\sysprep.exe
      "C:\Windows\system32\sysprep\sysprep.exe" "C:\Users\Admin\AppData\Local\Temp\net.exe" "C:\Windows\system32" ""
      2⤵
      • Drops file in System32 directory
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\temp.exe

    Filesize

    86KB

    MD5

    425609a2c35081730982a01d72a76cbe

    SHA1

    64f95fe985a7ef7ee4f396e36279aa31498ac3cc

    SHA256

    e03145fefe7fef82c2a476d7dec03305d7da79cd3c8fe1578177580175febbd3

    SHA512

    6ede1415ac51d588a71bfb5697a599eb777e9530240b7a3524626d2a230bb51017c9b3d05923c5cb41800cca9818f2d99484310390a0425ef8e48984c4c9cfd4

  • memory/3492-61-0x0000000003410000-0x0000000003411000-memory.dmp

    Filesize

    4KB

  • memory/3492-62-0x00000000034F0000-0x00000000034F1000-memory.dmp

    Filesize

    4KB