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Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 23:47

General

  • Target

    f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe

  • Size

    5.5MB

  • MD5

    f497b93e7536f94cbc59d6eea342add6

  • SHA1

    198a53a9d337619c3a3c34ec87e8194a4c9dc329

  • SHA256

    ffb8f9e74cd27587877a2b335f1978a1b9b8b02bb156b5b47ac9220d8ecc3b00

  • SHA512

    0f32dfee620b156f091087e5d95d086ddc4503808c6f48bf1f05c2ac104370ef3d8d56d06ea7872c5bc0f48a66f8c56704ffc036080934ea7c728311c0290740

  • SSDEEP

    49152:FBiJqMlWgfWh8+ExDHU0xay3vRmCFOGNj8mW4JH53R+wVG+l0yd/e9UJ2cZgay3:viVge35mCckFR+vicS43

Score
7/10
upx

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\f497b93e7536f94cbc59d6eea342add6_JaffaCakes118.exe

    Filesize

    5.5MB

    MD5

    9802aeae13b228fad171598e99e7ea95

    SHA1

    457ce432812f76ccd45fb81fb37c784923e93941

    SHA256

    a3b271b7441e2ea5d4b861b05cd11ec7abb0967ff977a60bd9e965c2e414fc56

    SHA512

    a01b123ba60254e4c936d16b8c2d966c03fa55174a77e7c8e3dd5d81bba7b539ad90782056a013eb66bb7488af4fbeb44fd8aa4361118335f106ca2bb2de9dc3

  • memory/2224-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2224-1-0x0000000002270000-0x00000000024CA000-memory.dmp

    Filesize

    2.4MB

  • memory/2224-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2224-16-0x0000000004410000-0x0000000004DAE000-memory.dmp

    Filesize

    9.6MB

  • memory/2224-14-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2224-42-0x0000000004410000-0x0000000004DAE000-memory.dmp

    Filesize

    9.6MB

  • memory/3040-18-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3040-20-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/3040-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB