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Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 13:24

General

  • Target

    8a86537c1c4e6f6c1548fdd86c079ac8_JaffaCakes118.exe

  • Size

    477KB

  • MD5

    8a86537c1c4e6f6c1548fdd86c079ac8

  • SHA1

    93c4f146069938dd5febef6651915bcc8b6878af

  • SHA256

    e2382b933d8f278665620c6980454447f5f5dd9cdbc6f18e019544fb8bfe0406

  • SHA512

    d03da5f6936326ee6095663a9a451aba9c4b592386f6437bf0cf9d05bbb69bdfce4d062ce7abacd7ab03a2e7bfacc30267824f2df03b26ba3027c1516dde8a72

  • SSDEEP

    12288:C+9vr7Ubx/PZf3YJkayls/HeH66f1v8LmtUMZ:Tr7UdpY6YGHXl8LNMZ

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a86537c1c4e6f6c1548fdd86c079ac8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a86537c1c4e6f6c1548fdd86c079ac8_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Sets service image path in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Admin\AppData\Local\Temp\8a86537c1c4e6f6c1548fdd86c079ac8_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8a86537c1c4e6f6c1548fdd86c079ac8_JaffaCakes118.exe" INSTALL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-3-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/1628-5-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/1628-2-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-13-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-15-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-8-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-9-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-11-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/4912-10-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-12-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-0-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-14-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-1-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/4912-16-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-17-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-18-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-19-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-20-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-21-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-22-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB

  • memory/4912-23-0x0000000000400000-0x0000000000561000-memory.dmp

    Filesize

    1.4MB