Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 23:37

General

  • Target
    654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe
  • Size 3.4MB
  • Sample240722-3mmqcsvcma
  • SHA256 929942325fc37a4effef061a7533af2696012025f59fda842805dd1b57b89fe5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 8 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.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\AppData\Local\Temp\654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:3600

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 d8231bf8a8979e9478e26f9cf5eb154bc9c51d5df667133dc8672b7b1d9cc4c8
        • MD5 SHA1 SHA512 SSDEEP

        654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\654499039bf1ff42517df80838fe99ab_JaffaCakes118.exe
        • Size 3.4MB
        • SHA256 4157c73809436b2214812f30cdc79c800562f08cc1ad1a0bcdf6d86bbf682d21
        • MD5 SHA1 SHA512 SSDEEP

        memory/3600-6-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-4-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-3-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-2-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-100-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-101-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-102-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3600-104-0x0000000000400000-0x000000000041B000-memory.dmp