Analysis

  • max time kernel
    105s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2023, 09:41

General

  • Target
    Proof of Payment.exe
  • Size 6KB
  • Sample230207-lnrx2aah53
  • SHA256 376510f81da04b06b0ea217c5cf45b7798459f50a7162dc09737faaefd8a4232
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • netwire

C2
  • 212.193.30.230:3363

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password@2

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 4 IoCs
  • Netwire

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4696
    • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
      2⤵
        PID:4756

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3060-132-0x0000000000900000-0x0000000000908000-memory.dmp

          memory/3060-133-0x00000000065E0000-0x0000000006602000-memory.dmp

          memory/4696-135-0x0000000002B20000-0x0000000002B56000-memory.dmp

          memory/4696-136-0x00000000052C0000-0x00000000058E8000-memory.dmp

          memory/4696-137-0x0000000005A00000-0x0000000005A66000-memory.dmp

          memory/4696-138-0x0000000005A70000-0x0000000005AD6000-memory.dmp

          memory/4696-139-0x00000000060E0000-0x00000000060FE000-memory.dmp

          memory/4696-140-0x0000000007930000-0x0000000007FAA000-memory.dmp

          memory/4696-141-0x0000000006580000-0x000000000659A000-memory.dmp

          memory/4756-143-0x0000000000400000-0x0000000000433000-memory.dmp

          memory/4756-145-0x0000000000400000-0x0000000000433000-memory.dmp

          memory/4756-146-0x0000000000400000-0x0000000000433000-memory.dmp

          memory/4756-147-0x0000000000400000-0x0000000000433000-memory.dmp