Analysis

  • max time kernel
    96s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 02:42

General

  • Target
    3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe
  • Size 191KB
  • Sample240710-c7hn2atfqa
  • SHA256 cc5120468c8089205f1aac265c1d7ae1151d7cc20925d7a09240d3b31de04275
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 5 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\3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3303086b05f58b14a7c02466a6e863f5_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:1836
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:4404

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 6f2fe8be1d704d3762bad0a0321927f35dfb27916b3107baf4663665cea5da72
        • MD5 SHA1 SHA512 SSDEEP

        3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\3303086b05f58b14a7c02466a6e863f5_JaffaCakes118.exe
        • Size 151KB
        • SHA256 c2568346b07bc962576ba74fc65ef63c6eef3a96e02343614fd20cc1a51bc57b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1836-93-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1836-94-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1836-95-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1836-97-0x0000000000400000-0x000000000041B000-memory.dmp