Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/07/2024, 12:07

General

  • Target
    52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe
  • Size 95KB
  • Sample240717-pak44ssgrb
  • SHA256 1e532518f8c549eb15c8567dbd8ba3be9bac8067e51921802b70d60c7d155be7
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\52e7f5d461d1dd7c17ebf44bf1f44cb1_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:5064
    • C:\Users\Admin\AppData\Local\Temp\3582-490\52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:4992

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

        52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\52e7f5d461d1dd7c17ebf44bf1f44cb1_JaffaCakes118.exe
        • Size 54KB
        • SHA256 238910e2f4b0438c457f1b91c144ae8477a368f3064cde21723fe83e0acc6a74
        • MD5 SHA1 SHA512 SSDEEP

        memory/5064-97-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/5064-98-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/5064-100-0x0000000000400000-0x000000000041B000-memory.dmp