Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 18:51

General

  • Target

    f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe

  • Size

    290KB

  • MD5

    f88c9a96c0800050b6a6451e4d0a419d

  • SHA1

    cf2b7912bde7913bcaf2cbb84aac95e7ddd49be5

  • SHA256

    bfd1c6883f8abf849784b9d3e51ea91213414b5048d3a36e742cd44ecc8fd528

  • SHA512

    df621ee558b891e405aa0fc87d30f76995d4f1583dafacfe80a03eb0a1a9c89acc5d974ff0979ec6418ca712dbbd100c9063bf2895fb87eab8c850f38de6551f

  • SSDEEP

    6144:/Pqu4RIJ13IFWeTRIS0eyZKmdm7o8Ps+0PY2Y:/PqxRIJK4etIS0pZy70PY2Y

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\QgJv4zhmCTz2wUw.exe
      C:\Users\Admin\AppData\Local\Temp\QgJv4zhmCTz2wUw.exe
      2⤵
      • Executes dropped EXE
      PID:2272
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\QgJv4zhmCTz2wUw.exe

    Filesize

    219KB

    MD5

    e2312f199976d03a7cf41e453c5af246

    SHA1

    c723bf05f7132c9b66c4f91d6cc363d08b4ed622

    SHA256

    84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51

    SHA512

    a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    6351060cb9fcaf3592510325a13b5219

    SHA1

    7408da86c12d5fa401306df7f9b35cd5c833ba87

    SHA256

    b74bb753ab2ab0996f6c3b988e2a16931e902c5a0dd12d6e35e8b2bb32ce8000

    SHA512

    43d6f1ebb87fe987919bbedce8ad97d4c8945c4104214e443bce56bd6dcdfbdf5060b796fa2839674d727680ef35b781abdb9b12ebf5bff0accf5ee8fb4f4501

  • memory/2188-15-0x00000000001B0000-0x00000000001C7000-memory.dmp

    Filesize

    92KB

  • memory/2236-0-0x0000000000800000-0x0000000000817000-memory.dmp

    Filesize

    92KB

  • memory/2236-12-0x0000000000800000-0x0000000000817000-memory.dmp

    Filesize

    92KB

  • memory/2236-11-0x00000000001B0000-0x00000000001C7000-memory.dmp

    Filesize

    92KB