Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/06/2024, 00:48

General

  • Target
    008013a6ce6599a62ea25eb7c6734714_JaffaCakes118.exe
  • Size 443KB
  • Sample240622-a55dxashjp
  • SHA256 e28d8a62a7400924d35839bef8a6488b3727d1c1e80f4ef2ed044964866641b9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\008013a6ce6599a62ea25eb7c6734714_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\008013a6ce6599a62ea25eb7c6734714_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\G-Cyber.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\G-Cyber.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Users\Admin\AppData\Local\Temp\~sfx006BE01C26\G-Cyber.exe
          "C:\Users\Admin\AppData\Local\Temp\~sfx006BE01C26\G-Cyber.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Enumerates connected drives
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3716
      • C:\Windows\SysWOW64\bpk.exe
        C:\Windows\system32\bpk.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Installs/modifies Browser Helper Object
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4000

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 256KB
        • SHA256 b2b2779c2b3cefd672d4911c26fc080d0194bb583909f60969df78d5cf22f9c8
        • MD5 SHA1 SHA512 SSDEEP

        WMSDKNS.XML.bak

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
        • Size 9KB
        • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
        • MD5 SHA1 SHA512 SSDEEP

        G-Cyber.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\G-Cyber.exe
        • Size 512KB
        • SHA256 17135961fc00c2d1cfe46d748931f5a211ab7ac5bee285f95b67949d3690f5c6
        • MD5 SHA1 SHA512 SSDEEP

        bpk.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bpk.exe
        • Size 428KB
        • SHA256 43c09a323a4d637989d2646463e25c82b0610b48475dffcd16e44cbf6c757124
        • MD5 SHA1 SHA512 SSDEEP

        bpkhk.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bpkhk.dll
        • Size 24KB
        • SHA256 edaf5a1aba7761e5577bc9f69de4315ced984c0b597f28ad8a5aed2839e92027
        • MD5 SHA1 SHA512 SSDEEP

        bpkwb.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\bpkwb.dll
        • Size 40KB
        • SHA256 88ac5544f35b245ff75d9590d5e0694b88ce09ec7eba2d7053a3cd8ea915b382
        • MD5 SHA1 SHA512 SSDEEP

        inst.dat

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\inst.dat
        • Size 996B
        • SHA256 25e6b3bbfa9ea164e74af06b39adbeb8ea857d5fde037d34d649049773905122
        • MD5 SHA1 SHA512

        pk.bin

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pk.bin
        • Size 4KB
        • SHA256 699858429dbe04d7695ff93c740f435e7532b832e62b44f3b59f6f8b680472b6
        • MD5 SHA1 SHA512 SSDEEP

        rinst.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe
        • Size 7KB
        • SHA256 6bba0b8d8bf03ba15828c53e72d83d766e44b3238b55ab75348d8ce93bfd0056
        • MD5 SHA1 SHA512 SSDEEP

        G-Cyber.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~sfx006BE01C26\G-Cyber.exe
        • Size 92KB
        • SHA256 38b2b89e3f05c25690ae8da8455fd2ccf285a5b8e6c01b502e506112a3cd37fe
        • MD5 SHA1 SHA512 SSDEEP

        bpk.exe

        • Path C:\Windows\SysWOW64\bpk.exe
        • Size 428KB
        • SHA256 b966953b0a0e0bf648b1043b4e708445b52b020a0485921138bbf3be58d9995d
        • MD5 SHA1 SHA512 SSDEEP

        bpkhk.dll

        • Path C:\Windows\SysWOW64\bpkhk.dll
        • Size 24KB
        • SHA256 525414ffe5f797ebdd7de5620b75ff723de17bf8f399ffcd7ddec2d0b8a5dc4a
        • MD5 SHA1 SHA512 SSDEEP

        bpkwb.dll

        • Path C:\Windows\SysWOW64\bpkwb.dll
        • Size 40KB
        • SHA256 62e2948c3e3857e8304a657b7e7da30cdcb6842f71bd4c678a1734ebbf17198e
        • MD5 SHA1 SHA512 SSDEEP

        pk.bin

        • Path C:\Windows\SysWOW64\pk.bin
        • Size 4KB
        • SHA256 96e1b86620a71eca495e3ae4a3e3fec02c8aa39dc382f3a37515ed4be38a1e28
        • MD5 SHA1 SHA512 SSDEEP

        memory/1884-161-0x0000000000400000-0x000000000051F000-memory.dmp

        memory/2600-160-0x0000000000400000-0x000000000041C000-memory.dmp