Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 01:18

General

  • Target
    a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe
  • Size 2.6MB
  • Sample240613-bpec8aselr
  • SHA256 eb25a842053c71527656aaf759dd64d333ea0e66f0e237d716340ec5bdb073ab
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 7 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 44 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe" --GoAn --Supp 577 --Mode CheckInstall --Cid CC3E8F1A-9904-B842-9070-A70A7BBCF53F
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3292
    • C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe" --InstSupp --Supp 577 --Ver 155
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4884
    • C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe" --PreCheck 577 --Uid 485C42C5E42F764EA983C1249D4CDEB7 --Ver 155
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Maps connected drives based on registry
      PID:1588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSVCP110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\MSVCP110.dll
        • Size 522KB
        • SHA256 c8d5572ca8d7624871188f0acabc3ae60d4c5a4f6782d952b9038de3bc28b39a
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\MSVCR110.dll
        • Size 854KB
        • SHA256 b30160e759115e24425b9bcdf606ef6ebce4657487525ede7f1ac40b90ff7e49
        • MD5 SHA1 SHA512 SSDEEP

        CmlProc.dll

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\Modules\CmlProc.dll
        • Size 84KB
        • SHA256 6f461ce8c1e47844ed11ec53e08d760fa9340a32b04af207a3976cc7f9dd6cef
        • MD5 SHA1 SHA512 SSDEEP

        InSes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\Modules\InSes.dll
        • Size 37KB
        • SHA256 6837d7c7050bc16a35824de09c345b70365a5e7f3dff61ef496ddc03d889b39e
        • MD5 SHA1 SHA512 SSDEEP

        ManXec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\Modules\ManXec.dll
        • Size 97KB
        • SHA256 3a6886badafbf4dad3da593097117e252475f3296c85071c53da51ccb7009a38
        • MD5 SHA1 SHA512 SSDEEP

        RtHelp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\771D11AB-8A16-5746-82C5-855AC9FCCB2A\RtHelp.exe
        • Size 387KB
        • SHA256 2149940c37938dd317c2b09d2a16d00535c493a8a8cfbe82d4b0c5ee1637759e
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8ACC.tmp\System.dll
        • Size 11KB
        • SHA256 4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
        • MD5 SHA1 SHA512 SSDEEP

        md5dll.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr8ACC.tmp\md5dll.dll
        • Size 6KB
        • SHA256 32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f
        • MD5 SHA1 SHA512 SSDEEP

        memory/2320-125-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-116-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-127-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-126-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-128-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-123-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-118-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-129-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-112-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-108-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-106-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-101-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-99-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-93-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-88-0x00000000020B0000-0x00000000020BA000-memory.dmp

        memory/2320-67-0x00000000020B0000-0x00000000020BA000-memory.dmp