Analysis

  • max time kernel
    136s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 06:48

General

  • Target
    6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe
  • Size 446KB
  • Sample240724-hks45sshqm
  • SHA256 b676aa03a3314fb77fee79797c14618bd84050f94cc65f71c9f1f64c33ed4da5
  • 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
  • Loads dropped DLL 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\RunDll32.exe
        RunDll32.exe "C:\Users\Admin\AppData\Local\OpenCandy\OpenCandy_{D27FBE09-EDC0-4003-A3BA-36105B5C8AE3}.DLL",_OpenCandyV2RunOpenCandyDLL2@16 3476
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ACROTE~1.EXE

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

        OpenCandy_{D27FBE09-EDC0-4003-A3BA-36105B5C8AE3}.dll

        • Path C:\Users\Admin\AppData\Local\OpenCandy\OpenCandy_{D27FBE09-EDC0-4003-A3BA-36105B5C8AE3}.dll
        • Size 740KB
        • SHA256 65f7274cb2d9d724f6f65e4866689bb0c645c1b490eb6a0cce443d96e66e30a5
        • MD5 SHA1 SHA512 SSDEEP

        6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\6a9ffa62cd37a412c725a275168d324a_JaffaCakes118.exe
        • Size 406KB
        • SHA256 f3a91c657b755acf7d496168891858cd953f5f55c533dd99d4a9cea0e9cb3bf3
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk91E1.tmp\System.dll
        • Size 11KB
        • SHA256 03cd57ab00236c753e7ddeee8ee1c10839ace7c426769982365531042e1f6f8b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1124-22-0x00000000008A0000-0x00000000008A1000-memory.dmp

        memory/2832-108-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2832-109-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2832-111-0x0000000000400000-0x000000000041B000-memory.dmp