Analysis

  • max time kernel
    94s
  • max time network
    101s
  • 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 11:52

General

  • Target

    012b791d054841dd2d52924c5170b4b1_JaffaCakes118.exe

  • Size

    55KB

  • MD5

    012b791d054841dd2d52924c5170b4b1

  • SHA1

    95acf8d898edcaf54740c644602d6e6978eaba58

  • SHA256

    2542b01ef86cbe542b6ca888e1c4a6dd7b3610eddefb11cef1387e14dd14b6dc

  • SHA512

    8a50f058e462d76911313ab1a2dfa8788e32a680195b8a6e8d680164e0e6f7c753aead061131061ec26544ea82a6ccf9417452583b37e5f95a357fc751ff7a70

  • SSDEEP

    768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpfk:V3cpyORJLuB4P4AJJv4Romu/9tpvUZ0

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\012b791d054841dd2d52924c5170b4b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\012b791d054841dd2d52924c5170b4b1_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Checks computer location settings
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:3716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsz5F77.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • C:\Users\Admin\AppData\Local\Temp\tmp.bat

    Filesize

    214B

    MD5

    75f6ec4da41b3f05b8262e9ad4bec73c

    SHA1

    1aeb9719bb54bdea48f2a072e3f3e1028674722b

    SHA256

    2d318825f6e8239c2f6790c6849ac99653ff7b8f7d06daf0118daa195af2ca72

    SHA512

    9f0f8dcb51d559b27e22521e01183cb6b7727aed1490152b1c87b05416921ec8fb394adbc3c04432ef16f260871cabb5098d4eee54f6b236c2de5751a3a9908a