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
    27/01/2025, 15:15

General

  • Target
    JaffaCakes118_40e5eaa9ab47c77fe6636ab56d9c20f1.exe
  • Size 340KB
  • Sample250127-snbdlsvpen
  • SHA256 fdc6dd35598cf0560122d83881fccd24ddda9f9a560ca5b5fff29fadcf8b5b03
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • 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 3 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 registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e5eaa9ab47c77fe6636ab56d9c20f1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e5eaa9ab47c77fe6636ab56d9c20f1.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Modifies system certificate store
    PID:4756

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        SAIInstantiator.dll

        • Path C:\Users\Admin\AppData\Local\Temp\SAIInstantiator.dll
        • Size 92KB
        • SHA256 0899c12194c1545a0761875a16747b56d026fb9653fbed2a577c59bb3d164a9d
        • MD5 SHA1 SHA512 SSDEEP

        memory/4756-0-0x0000000000400000-0x00000000004AE000-memory.dmp

        memory/4756-19-0x0000000000400000-0x00000000004AE000-memory.dmp

        memory/4756-26-0x0000000000400000-0x00000000004AE000-memory.dmp