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Analysis

  • max time kernel
    147s
  • 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
    24/06/2024, 07:36

General

  • Target

    07387d16621c17a68d3695d4fade8892_JaffaCakes118.dll

  • Size

    236KB

  • MD5

    07387d16621c17a68d3695d4fade8892

  • SHA1

    3fb4853997311d54baba46897b0b792ad5677aae

  • SHA256

    40940802a33f430a6782bbe26ee99f7bade77e5a90293c4e41cfe1ba23397c85

  • SHA512

    a077481b511ea006276252f9975fb5fa949fe29cd09ffb3952f2cf9c0720b3d9a5357ec892463e5c2269b8c80fac642d53f772e1c42b0ac935494f8e4b71b510

  • SSDEEP

    3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkIj:+Qj9U3jwO3rt5o

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\07387d16621c17a68d3695d4fade8892_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\07387d16621c17a68d3695d4fade8892_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rkxeenymj.dll

    Filesize

    478KB

    MD5

    e99416267b61f52fa5ab994019efd359

    SHA1

    86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

    SHA256

    768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

    SHA512

    0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

  • memory/1180-0-0x0000000000401000-0x0000000000408000-memory.dmp

    Filesize

    28KB

  • memory/1180-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1180-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1180-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB