Analysis

  • max time kernel
    90s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27/05/2022, 09:23

General

  • Target
    PO1153652300.exe
  • Size 800KB
  • Sample220527-lcfqmaaae2
  • SHA256 a5140fceb2803eef7a1c8081c3428310baaa0dea404ef86e5d2d4a96b80fe538
  • MD5 SHA1 SHA512

Malware Config

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO1153652300.exe
    "C:\Users\Admin\AppData\Local\Temp\PO1153652300.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yPgQIm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yPgQIm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABA1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4496
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
        PID:972

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          tmpABA1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpABA1.tmp
          • Size 1KB
          • SHA256 415b955f6eda05b24b1dd4ae98fae0c1ce041f62925f792d9d606ecf6ec8bead
          • MD5 SHA1 SHA512

          memory/972-137-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/972-140-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/972-135-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/972-136-0x0000000000400000-0x0000000000450000-memory.dmp

          memory/1452-130-0x0000000074660000-0x0000000074C11000-memory.dmp

          memory/4440-142-0x00000000056E0000-0x0000000005746000-memory.dmp

          memory/4440-146-0x0000000072360000-0x00000000723AC000-memory.dmp

          memory/4440-139-0x0000000004F10000-0x0000000005538000-memory.dmp

          memory/4440-154-0x00000000073E0000-0x00000000073E8000-memory.dmp

          memory/4440-141-0x0000000005540000-0x0000000005562000-memory.dmp

          memory/4440-143-0x00000000057C0000-0x0000000005826000-memory.dmp

          memory/4440-144-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

          memory/4440-145-0x0000000006390000-0x00000000063C2000-memory.dmp

          memory/4440-138-0x0000000002490000-0x00000000024C6000-memory.dmp

          memory/4440-147-0x0000000006370000-0x000000000638E000-memory.dmp

          memory/4440-149-0x00000000070C0000-0x00000000070DA000-memory.dmp

          memory/4440-148-0x0000000007700000-0x0000000007D7A000-memory.dmp

          memory/4440-150-0x0000000007130000-0x000000000713A000-memory.dmp

          memory/4440-151-0x0000000007340000-0x00000000073D6000-memory.dmp

          memory/4440-152-0x00000000072F0000-0x00000000072FE000-memory.dmp

          memory/4440-153-0x0000000007400000-0x000000000741A000-memory.dmp