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Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 04:30

General

  • Target

    5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    5a780ba3ce69fa973d06d6e0ba6639c9

  • SHA1

    f61b9534a1c6683f89f0bfd9abb27e3524743db3

  • SHA256

    995e4ff1c8afe99b65bc518ff6045e691a409636a176e8cfd95d638977458128

  • SHA512

    d60f08c02b2b54ecd86ef6f1236fac653448a9df50d683603978f3eedde4534016e40360bc33872b5d4bfb36c2decef7b3b3210c20f2ae933b07cc300fef947f

  • SSDEEP

    768:CH07dsAUzf836+0urSVYHWdO+W2nMbazblI5ADX:O07dQb+0NVYWO+HMmPlgAb

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5a780ba3ce69fa973d06d6e0ba6639c9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\service\sixyahbi.exe
      "C:\Windows\system32\service\sixyahbi.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 252
      2⤵
      • Program crash
      PID:840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\service\sixyahbi.exe

    Filesize

    41KB

    MD5

    5a780ba3ce69fa973d06d6e0ba6639c9

    SHA1

    f61b9534a1c6683f89f0bfd9abb27e3524743db3

    SHA256

    995e4ff1c8afe99b65bc518ff6045e691a409636a176e8cfd95d638977458128

    SHA512

    d60f08c02b2b54ecd86ef6f1236fac653448a9df50d683603978f3eedde4534016e40360bc33872b5d4bfb36c2decef7b3b3210c20f2ae933b07cc300fef947f

  • memory/1980-12-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1980-19-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2164-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2164-10-0x00000000003D0000-0x00000000003F3000-memory.dmp

    Filesize

    140KB

  • memory/2164-11-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB