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Analysis

  • max time kernel
    90s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 01:17

General

  • Target

    ffaa16615d5dfd53bb51c2a73e800e2d_JaffaCakes118.exe

  • Size

    195KB

  • MD5

    ffaa16615d5dfd53bb51c2a73e800e2d

  • SHA1

    d3c50387c66f293acb913b6367e057b293086e62

  • SHA256

    3e2cd04bf8da6a657bd5f9b26102da15604f734e8a1991c8832075fca7df9b5d

  • SHA512

    be9f590d5bfdd6d6418848019f57d5a22211238104bf733abb84deddb3c72396a44cf39ed2f3b3d712572bc4de8082047bf366b9f75a7c559e63c13e2ace4a1f

  • SSDEEP

    3072:Qmc+HTB0EyEZ0CqOFjleim0eY9IpNyV3voLBUsp/lj/q2M6pQxZ4N3RjQtCxC2Qx:QmPTBIWwHbU8Ny+BUsp9jCx4Qc3Js

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffaa16615d5dfd53bb51c2a73e800e2d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ffaa16615d5dfd53bb51c2a73e800e2d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Windows\Install.exe
      "C:\Windows\Install.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 220
        3⤵
        • Program crash
        PID:4312
    • C:\Windows\Carnelian_Setup.exe
      "C:\Windows\Carnelian_Setup.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4488 -ip 4488
    1⤵
      PID:5068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Carnelian_Setup.exe

      Filesize

      88KB

      MD5

      788f12cbee9052acc8135619f46e1d23

      SHA1

      280ba310e8101b75d5d4f3a2e9046a352680f97c

      SHA256

      25cd1c27b39bd31c3945fd5eaa132d43abe70caf8904c37b853ace0d0a1cd43d

      SHA512

      10a1c9ed29131936396e57c35dd0de1a1a2db656cc49205f46c595230710665818e19236a2fd1b392a755494cbe0fe98cb6267fb41bf6bfb26bdb531bf38b613

    • C:\Windows\Install.exe

      Filesize

      23KB

      MD5

      67cdce56290d3d860386195cac04524f

      SHA1

      b1dca0ed9ded5704fafe722239106e5aa09779de

      SHA256

      62b0b15e8546d3cf104e20824216b5c39406b79086321dbae6258355fc4336e1

      SHA512

      33b9991dfc3f3750627e5de87b660422f8d3e88d23917094f3bb4ece98b3ad9f4dcd78cd2ab7a7fb25b650e4c7204ab3fbe8435edef76521656f479fa14def18

    • memory/212-19-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/212-22-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/4488-8-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4488-23-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB