Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2023, 01:18

General

  • Target
    0269b81f75aa1101e557c3ebb49eb4c5.exe
  • Size 219KB
  • Sample230224-bnyepsbf51
  • SHA256 49ff2c2f0c21aa26f9ee4357241cdd347278ebacb5f343e34e71b431c891f7b7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • warzonerat

C2
  • blackroots7.duckdns.org:1104

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0269b81f75aa1101e557c3ebb49eb4c5.exe
    "C:\Users\Admin\AppData\Local\Temp\0269b81f75aa1101e557c3ebb49eb4c5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Users\Admin\AppData\Local\Temp\vbhbm.exe
      "C:\Users\Admin\AppData\Local\Temp\vbhbm.exe" C:\Users\Admin\AppData\Local\Temp\gagsrkdsng.c
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\vbhbm.exe
        "C:\Users\Admin\AppData\Local\Temp\vbhbm.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4480

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        gagsrkdsng.c

        • Path C:\Users\Admin\AppData\Local\Temp\gagsrkdsng.c
        • Size 7KB
        • SHA256 458074b370023aabeaab76f9ff9719a8e4d7eb943345ffa5740befd061814cd4
        • MD5 SHA1 SHA512 SSDEEP

        vbhbm.exe

        • Path C:\Users\Admin\AppData\Local\Temp\vbhbm.exe
        • Size 91KB
        • SHA256 6626caf5bfc3fb98ee20be19ea79c2d9d246d9f33e9804dc90fe96d762908de5
        • MD5 SHA1 SHA512 SSDEEP

        vbhbm.exe

        • Path C:\Users\Admin\AppData\Local\Temp\vbhbm.exe
        • Size 91KB
        • SHA256 6626caf5bfc3fb98ee20be19ea79c2d9d246d9f33e9804dc90fe96d762908de5
        • MD5 SHA1 SHA512 SSDEEP

        vbhbm.exe

        • Path C:\Users\Admin\AppData\Local\Temp\vbhbm.exe
        • Size 91KB
        • SHA256 6626caf5bfc3fb98ee20be19ea79c2d9d246d9f33e9804dc90fe96d762908de5
        • MD5 SHA1 SHA512 SSDEEP

        wbhjv.aj

        • Path C:\Users\Admin\AppData\Local\Temp\wbhjv.aj
        • Size 118KB
        • SHA256 8f5ef1f11eb3fbaa3fc2e1557fa88fa72be6a75c4cf750456aa2eaddf05da034
        • MD5 SHA1 SHA512 SSDEEP

        memory/4480-142-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4480-145-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4480-147-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4480-148-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/4480-149-0x0000000000400000-0x000000000041D000-memory.dmp