Analysis

  • max time kernel
    82s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2024, 11:31

General

  • Target
    1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe
  • Size 618KB
  • Sample240702-nm473sthpm
  • SHA256 81f8d51c8e5571fac8dc824ca41b4d913bf6ee8165371116ba5effbd25081d4c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1f2bc22634d3d30a45879cfacf171c67_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:440
    • C:\Users\Admin\AppData\Local\Temp\3582-490\1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        AcroRd32.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
        • Size 2.4MB
        • SHA256 859dd22745d751ba2e9a199e538c7e868b93374a63544e2feab24fb07607607e
        • MD5 SHA1 SHA512 SSDEEP

        1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\1f2bc22634d3d30a45879cfacf171c67_JaffaCakes118.exe
        • Size 578KB
        • SHA256 feda6d303e901024da13d03f0669fcc990839cb565ee1750ebf43a64b167d07a
        • MD5 SHA1 SHA512 SSDEEP

        memory/440-98-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/440-99-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/440-101-0x0000000000400000-0x000000000041B000-memory.dmp