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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 20:12

General

  • Target

    94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe

  • Size

    80KB

  • MD5

    94903ecd7b90c109d0a00e5954a2045e

  • SHA1

    fbe979c252c2f18a82dad590a04a62fa73f0d56c

  • SHA256

    f0fdc35857a8f32b526491cf536325b12b4c1fadd91dfde03cd0d0327129361c

  • SHA512

    04ad8d06fbb8f79413b060e55abf3bfe1aed922335a759e355086bd2211ce8b4fc4868794d509a86c489219ecd609ff37ca0fd6f3ba49001ef5c140788d906c7

  • SSDEEP

    1536:Qaez7fhySBdbFohDCmWptNkxBn7Hmp8+xiqavbwqmB35rcASfFNE:QZf0opFoYbp/kY++xfazwLOJi

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Roaming\Mozilla.exe
      "C:\Users\Admin\AppData\Roaming\Mozilla.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1632-0-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1632-1-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1632-2-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/1632-4-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2496-5-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/2496-7-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB