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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2024, 04:31

General

  • Target

    4ccef3620ed4885353203d5d5206689c_JaffaCakes118.exe

  • Size

    205KB

  • MD5

    4ccef3620ed4885353203d5d5206689c

  • SHA1

    f97e56b04c378cd58d0ca4b56fa8e25027332bd4

  • SHA256

    069c33d898fce1026f6eef24ec7a6e3367f16947662d72409d9bf07a9e16fb7e

  • SHA512

    9a30ac500dc0369070a32b1ecef2eaa5f652aa2b232fc20dc09a0f4ecb535e912cc8d10a02cf076ae182049ba43385e22dfc9c958129c3871313722871afc801

  • SSDEEP

    3072:iikEs0ttGAtZI24Okk8x3zAGPd+o6eZvHmylc+vuXfA2x:/TTGh2Z8xPPdj6Ujc+vIx

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ccef3620ed4885353203d5d5206689c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4ccef3620ed4885353203d5d5206689c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Users\Admin\AppData\Local\Temp\4ccef3620ed4885353203d5d5206689c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\4ccef3620ed4885353203d5d5206689c_JaffaCakes118.exe
      2⤵
      • Adds policy Run key to start application
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RTDATA01.BAT" "
      2⤵
      • Enumerates connected drives
      PID:1356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RTDATA01.BAT

    Filesize

    339B

    MD5

    13909be7e6561ea13add97e338010a8a

    SHA1

    f3709c12b905ba6eb7f8d4809eefe873f9d62b3c

    SHA256

    e337c090e33943d64a40baa3aabe610371b7c993c3a81c911e44e9346e96542f

    SHA512

    8a7e7672d70d838da78901184b0ab8d5e2ce0bef3144339df55b14b176a54453e61ea32b6e7f8fcb31bc4f863c06715816663be43b88b5dfa7ede1fcf84fbd73

  • C:\Users\Admin\AppData\Local\Temp\x7umg6b9thjh.exe.jpg

    Filesize

    205KB

    MD5

    4ccef3620ed4885353203d5d5206689c

    SHA1

    f97e56b04c378cd58d0ca4b56fa8e25027332bd4

    SHA256

    069c33d898fce1026f6eef24ec7a6e3367f16947662d72409d9bf07a9e16fb7e

    SHA512

    9a30ac500dc0369070a32b1ecef2eaa5f652aa2b232fc20dc09a0f4ecb535e912cc8d10a02cf076ae182049ba43385e22dfc9c958129c3871313722871afc801

  • memory/1976-1-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-4-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-5-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-15-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-35-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-54-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/1976-95-0x0000000000400000-0x0000000000552000-memory.dmp

    Filesize

    1.3MB

  • memory/3456-0-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3456-13-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB