Analysis

  • max time kernel
    1496s
  • max time network
    1498s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 01:19

General

  • Target
    Mydoom/3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe
  • Size 41KB
  • Sample240611-bp1apaycle
  • SHA256 3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Enumerates connected drives 3 TTPs 19 IoCs

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

  • Maps connected drives based on registry 3 TTPs 15 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Mydoom\3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe
    "C:\Users\Admin\AppData\Local\Temp\Mydoom\3d9f9c162e130c197301adb5a4e141f2e1ae8a19c85b457c429e8410a5c91464.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3500
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3044
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:2680
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:3768
        • C:\Windows\SysWOW64\smnss.exe
          C:\Windows\system32\smnss.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Modifies registry class
          PID:4992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ctfmen.exe

        • Path C:\Windows\SysWOW64\ctfmen.exe
        • Size 4KB
        • SHA256 ff51fe6f857dfa0de0cb5093788f81af0416c5022b5510059c88c604d6ad9d9d
        • MD5 SHA1 SHA512 SSDEEP

        grcopy.dll

        • Path C:\Windows\SysWOW64\grcopy.dll
        • Size 41KB
        • SHA256 0b2e95e0f0654fc89c37713445970248a0061e6cb6f4c2cbabdec4180e289070
        • MD5 SHA1 SHA512 SSDEEP

        satornas.dll

        • Path C:\Windows\SysWOW64\satornas.dll
        • Size 183B
        • SHA256 0e8cd82f57c61a2a98c8ebf3f804d2a0b47939dd51b40338b99459dae86fe197
        • MD5 SHA1 SHA512

        shervans.dll

        • Path C:\Windows\SysWOW64\shervans.dll
        • Size 8KB
        • SHA256 f4d75ffd1e0f06dcb9659e8778354c6a136475ad189ac68ec9d3c4e91f8c81db
        • MD5 SHA1 SHA512 SSDEEP

        memory/316-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/316-18-0x0000000010000000-0x000000001000D000-memory.dmp

        memory/316-21-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/316-24-0x0000000010000000-0x000000001000D000-memory.dmp

        memory/2680-137-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2680-135-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-60-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-70-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-40-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-42-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-44-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-46-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-50-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-52-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-54-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-56-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-58-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-37-0x0000000010000000-0x000000001000D000-memory.dmp

        memory/3044-62-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-64-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-66-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-68-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-38-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-72-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-74-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-76-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-78-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-80-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-82-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-84-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-86-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-88-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-90-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-92-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-94-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-96-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-98-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3044-31-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3500-25-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3768-236-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4992-335-0x0000000000400000-0x000000000041F000-memory.dmp