Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 19:47

General

  • Target
    JaffaCakes118_4318a40b232ec6b864155a164f9efc97.exe
  • Size 330KB
  • Sample250127-yhsctstjcs
  • SHA256 19a43b1b410566044b280cec2428d3760051bc95421cd8010bba78b0b4d6224e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 4 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4318a40b232ec6b864155a164f9efc97.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4318a40b232ec6b864155a164f9efc97.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3156

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/3156-0-0x0000000000400000-0x00000000004BD000-memory.dmp

        memory/3156-19-0x0000000000400000-0x00000000004BD000-memory.dmp

        memory/3156-23-0x0000000000400000-0x00000000004BD000-memory.dmp

        memory/3156-25-0x0000000000400000-0x00000000004BD000-memory.dmp