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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 06:28

General

  • Target

    38d3ca838357b8e655535223917ed093_JaffaCakes118.exe

  • Size

    34KB

  • MD5

    38d3ca838357b8e655535223917ed093

  • SHA1

    1512243e71d47b6347e8c49412b65b61076fc17a

  • SHA256

    ac717ed16441838e5f890371f3c37fbc9cba807a6fc823cfdfad478cd3fcac63

  • SHA512

    1c9674f0a15fb842768a12694c917ac0991b03dce6412e033b3518c083bfad00be15b5753f043009ccb1c23cebcf665f07ceca8bfcffe3159042907feb0642fb

  • SSDEEP

    384:OIjr/xK3wFS9NqfVQTuqOCx8xpvv5+7vz6gxIxwgszbKNrg6+4a8ziQ1eWBrcZv6:p/xZYHIYqC6Y75CO2rg6laArt67A5xKM

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38d3ca838357b8e655535223917ed093_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38d3ca838357b8e655535223917ed093_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\38d3ca838357b8e655535223917ed093_JaffaCakes118\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:448
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3748
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3332

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1400-0-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1400-1-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/1400-6-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB