Analysis

  • max time kernel
    97s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 09:28

General

  • Target

    184237dfdea7399428139bbf06ecec05.exe

  • Size

    915KB

  • MD5

    184237dfdea7399428139bbf06ecec05

  • SHA1

    828450cebc4071bcd4867cf657255744a4cf5c5b

  • SHA256

    b378ec0bf6c23b5896a942d12f8cdd915e8cc4d5ca3bc1886334bfb8ae642102

  • SHA512

    b2c8cf4c6137d206fb56e5fd3eeda2ca5920a8e2564d5e3f2627840ba78941d817f004e001ff1cbe73eff5bc176dc551c5db86958c58d6f2a3c50388676aa9c6

Malware Config

Extracted

Family

netwire

C2

uhie.hopto.org:3918

uhie2020.duckdns.org:3918

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    New_Rdp_June30

  • 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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\184237dfdea7399428139bbf06ecec05.exe
    "C:\Users\Admin\AppData\Local\Temp\184237dfdea7399428139bbf06ecec05.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PdjskNiAH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PdjskNiAH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BE0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5004
    • C:\Users\Admin\AppData\Local\Temp\184237dfdea7399428139bbf06ecec05.exe
      "C:\Users\Admin\AppData\Local\Temp\184237dfdea7399428139bbf06ecec05.exe"
      2⤵
        PID:4524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8BE0.tmp

      Filesize

      1KB

      MD5

      3347d9dd6de3c1dc789f08fa5295068a

      SHA1

      0088b40cc1ef0eb894e5e9bf13d79b0247f81af6

      SHA256

      ae99880688d6db16b485ab6f1c4647dc545565ec724b7e786f246a718c964301

      SHA512

      2cfc69e333e3fa91c346c31d79146c600867902aecf9770395b02abf22c0aabd908817998b80aca9ec8adcc8a9e65bad397d8388f7870eb2fc2b3ea6349e8325

    • memory/4292-146-0x0000000004E00000-0x0000000004E22000-memory.dmp

      Filesize

      136KB

    • memory/4292-152-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/4292-159-0x0000000007420000-0x000000000743A000-memory.dmp

      Filesize

      104KB

    • memory/4292-157-0x0000000007360000-0x00000000073F6000-memory.dmp

      Filesize

      600KB

    • memory/4292-137-0x0000000000000000-mapping.dmp

    • memory/4292-156-0x0000000007150000-0x000000000715A000-memory.dmp

      Filesize

      40KB

    • memory/4292-139-0x0000000004830000-0x0000000004866000-memory.dmp

      Filesize

      216KB

    • memory/4292-155-0x00000000070E0000-0x00000000070FA000-memory.dmp

      Filesize

      104KB

    • memory/4292-141-0x0000000004F70000-0x0000000005598000-memory.dmp

      Filesize

      6.2MB

    • memory/4292-154-0x0000000007720000-0x0000000007D9A000-memory.dmp

      Filesize

      6.5MB

    • memory/4292-153-0x0000000006380000-0x000000000639E000-memory.dmp

      Filesize

      120KB

    • memory/4292-147-0x00000000056D0000-0x0000000005736000-memory.dmp

      Filesize

      408KB

    • memory/4292-160-0x0000000007400000-0x0000000007408000-memory.dmp

      Filesize

      32KB

    • memory/4292-158-0x0000000004B60000-0x0000000004B6E000-memory.dmp

      Filesize

      56KB

    • memory/4292-151-0x00000000063A0000-0x00000000063D2000-memory.dmp

      Filesize

      200KB

    • memory/4292-148-0x00000000057B0000-0x0000000005816000-memory.dmp

      Filesize

      408KB

    • memory/4292-150-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

      Filesize

      120KB

    • memory/4524-149-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4524-144-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4524-143-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4524-142-0x0000000000000000-mapping.dmp

    • memory/4524-145-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/4888-134-0x0000000004FF0000-0x0000000005082000-memory.dmp

      Filesize

      584KB

    • memory/4888-133-0x00000000055A0000-0x0000000005B44000-memory.dmp

      Filesize

      5.6MB

    • memory/4888-136-0x00000000088E0000-0x000000000897C000-memory.dmp

      Filesize

      624KB

    • memory/4888-132-0x0000000000510000-0x00000000005FC000-memory.dmp

      Filesize

      944KB

    • memory/4888-135-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

      Filesize

      40KB

    • memory/5004-138-0x0000000000000000-mapping.dmp