Analysis

  • max time kernel
    155s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19/02/2022, 09:23

General

  • Target
    9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe
  • Size 895KB
  • Sample220219-lcseesach4
  • SHA256 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • NetWire RAT payload 1 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • autoit_exe 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NTFS ADS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe
    "C:\Users\Admin\AppData\Local\Temp\9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe"
    1⤵
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Roaming\Processname.exe
      C:\Users\Admin\AppData\Roaming\Processname.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Users\Admin\AppData\Roaming\Processname.exe
        "C:\Users\Admin\AppData\Roaming\Processname.exe"
        3⤵
        • Executes dropped EXE
        PID:820
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3184

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/820-132-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/3184-137-0x0000022224580000-0x0000022224590000-memory.dmp

        memory/3184-138-0x0000022224B20000-0x0000022224B30000-memory.dmp

        memory/3184-139-0x0000022227200000-0x0000022227204000-memory.dmp

        memory/3644-136-0x0000000000AA0000-0x0000000000AA1000-memory.dmp