Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 20:15

General

  • Target
    0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe
  • Size 233KB
  • Sample240625-y1xp9stanp
  • SHA256 3c33d10e5a6aaa86c69f0740de2ac08bb92aa3d715454b94438d217098bb1ad1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:3980

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
        • MD5 SHA1 SHA512 SSDEEP

        0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\0f6181ddbcd053e6b7f391abbcdc27c5_JaffaCakes118.exe
        • Size 192KB
        • SHA256 701b6ed1712f12edbb9ab7660e7d5e8b92900ef57c90b8c15483781fc3d74674
        • MD5 SHA1 SHA512 SSDEEP

        memory/3884-124-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3884-125-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3884-127-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3980-12-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/3980-13-0x0000000002170000-0x0000000002172000-memory.dmp

        memory/3980-108-0x0000000000400000-0x0000000000478000-memory.dmp