Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-07-2022 06:34

General

  • Target

    RO11039484.exe

  • Size

    814KB

  • MD5

    0ad0c3b353974a1ca9fc7343bd53c89c

  • SHA1

    17432c1edf7183f5c6567502b2ae7b5e188fc3db

  • SHA256

    9e5791d56ab1616fd28086994b3b2acc5b6f4af9c1ebfd78966a56fcc2780635

  • SHA512

    f80ffe2eafc868ab80d143baf292063bb13f4b6ee0cee889624ef49edde42a5601ace81ee8f5e85d06dffc882521be592999270b694cd3fa5523aef5f32a843d

Malware Config

Extracted

Family

netwire

C2

xman2.duckdns.org:4433

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • lock_executable

    false

  • offline_keylogger

    false

  • password

    Password

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RO11039484.exe
    "C:\Users\Admin\AppData\Local\Temp\RO11039484.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wtBhXT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wtBhXT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F97.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:3204

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4F97.tmp

      Filesize

      1KB

      MD5

      db5e02daec403bbe3417c93e838f4f54

      SHA1

      90f2bdeca957ff0afb2927984b01885e88d35072

      SHA256

      16afdb9c37e7df99f733611524d74d20f563205d8f1e5761b5c0bbd9a71fe708

      SHA512

      10f0ed91e9914c788e346cc9703a1d5be4670bb146a1e0d860a87fb74613779d33f537d070fcd23fc01c07bd7098da077dc1632a2292e75a457aefd5229e33b0

    • memory/2472-131-0x0000000005980000-0x0000000005F24000-memory.dmp

      Filesize

      5.6MB

    • memory/2472-132-0x0000000005470000-0x0000000005502000-memory.dmp

      Filesize

      584KB

    • memory/2472-133-0x0000000005430000-0x000000000543A000-memory.dmp

      Filesize

      40KB

    • memory/2472-134-0x0000000007B20000-0x0000000007BBC000-memory.dmp

      Filesize

      624KB

    • memory/2472-135-0x00000000014C0000-0x0000000001526000-memory.dmp

      Filesize

      408KB

    • memory/2472-130-0x00000000009A0000-0x0000000000A72000-memory.dmp

      Filesize

      840KB

    • memory/3172-140-0x0000000005220000-0x0000000005848000-memory.dmp

      Filesize

      6.2MB

    • memory/3172-136-0x0000000000000000-mapping.dmp

    • memory/3172-158-0x0000000007540000-0x0000000007548000-memory.dmp

      Filesize

      32KB

    • memory/3172-153-0x00000000065D0000-0x00000000065EA000-memory.dmp

      Filesize

      104KB

    • memory/3172-157-0x00000000075F0000-0x000000000760A000-memory.dmp

      Filesize

      104KB

    • memory/3172-156-0x0000000007500000-0x000000000750E000-memory.dmp

      Filesize

      56KB

    • memory/3172-155-0x0000000007550000-0x00000000075E6000-memory.dmp

      Filesize

      600KB

    • memory/3172-138-0x0000000002600000-0x0000000002636000-memory.dmp

      Filesize

      216KB

    • memory/3172-154-0x0000000006350000-0x000000000635A000-memory.dmp

      Filesize

      40KB

    • memory/3172-146-0x0000000005E20000-0x0000000005E42000-memory.dmp

      Filesize

      136KB

    • memory/3172-147-0x0000000005F60000-0x0000000005FC6000-memory.dmp

      Filesize

      408KB

    • memory/3172-148-0x0000000005E80000-0x0000000005E9E000-memory.dmp

      Filesize

      120KB

    • memory/3172-149-0x00000000064F0000-0x0000000006522000-memory.dmp

      Filesize

      200KB

    • memory/3172-150-0x00000000713F0000-0x000000007143C000-memory.dmp

      Filesize

      304KB

    • memory/3172-151-0x00000000064D0000-0x00000000064EE000-memory.dmp

      Filesize

      120KB

    • memory/3172-152-0x00000000078E0000-0x0000000007F5A000-memory.dmp

      Filesize

      6.5MB

    • memory/3204-144-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3204-145-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3204-143-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3204-142-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/3204-141-0x0000000000000000-mapping.dmp

    • memory/3976-137-0x0000000000000000-mapping.dmp