Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2022 07:22

General

  • Target

    INV87327328773232.exe

  • Size

    888KB

  • MD5

    018d11d4c98a8eae7cb309dea498dd53

  • SHA1

    a03fc82b8e4131a49ce8d2d89d896e1d872ca76c

  • SHA256

    7e25b98724cfdea64168e7d4cf3b34d534b43f1fcac3c0eae2a138bcea30344b

  • SHA512

    74265062eb6cfe492d5b08faa5b9a52c2f805191cc119644f6cbaa1f2a5dbaffc389d396ae4662ed208501aa5ceced5099a5c907f5b70f9278bbe5931f025714

Malware Config

Extracted

Family

netwire

C2

149.102.132.253:3399

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV87327328773232.exe
    "C:\Users\Admin\AppData\Local\Temp\INV87327328773232.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WpHPQip.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WpHPQip" /XML "C:\Users\Admin\AppData\Local\Temp\tmp81BE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1556
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2024

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp81BE.tmp

      Filesize

      1KB

      MD5

      71e4afb3d53638124bae7b6a92f667c5

      SHA1

      fd9afa3c3798fabcca3710d9f608c8cb003bec77

      SHA256

      475fdab385f42677aa9e62e6c09829830c3b06622c85aa336454ad429340e554

      SHA512

      6a69130fc65bb40382212e80f394f999e121ba5e580652bae05047f93261e800107a88ca36edcee2529eb38d8fb9ef5c3171233ecb3696957b8e6c0b68b137e4

    • memory/1556-139-0x0000000000000000-mapping.dmp

    • memory/2024-146-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/2024-143-0x0000000000000000-mapping.dmp

    • memory/2024-149-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/2024-145-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/2024-144-0x0000000000400000-0x0000000000450000-memory.dmp

      Filesize

      320KB

    • memory/2428-153-0x0000000006B70000-0x0000000006B8E000-memory.dmp

      Filesize

      120KB

    • memory/2428-148-0x0000000005D10000-0x0000000005D76000-memory.dmp

      Filesize

      408KB

    • memory/2428-147-0x00000000054E0000-0x0000000005502000-memory.dmp

      Filesize

      136KB

    • memory/2428-142-0x0000000005670000-0x0000000005C98000-memory.dmp

      Filesize

      6.2MB

    • memory/2428-159-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

      Filesize

      104KB

    • memory/2428-138-0x0000000000000000-mapping.dmp

    • memory/2428-158-0x0000000007830000-0x000000000783E000-memory.dmp

      Filesize

      56KB

    • memory/2428-157-0x0000000007C30000-0x0000000007CC6000-memory.dmp

      Filesize

      600KB

    • memory/2428-160-0x0000000007BD0000-0x0000000007BD8000-memory.dmp

      Filesize

      32KB

    • memory/2428-155-0x0000000007730000-0x000000000774A000-memory.dmp

      Filesize

      104KB

    • memory/2428-156-0x00000000077A0000-0x00000000077AA000-memory.dmp

      Filesize

      40KB

    • memory/2428-150-0x0000000006640000-0x000000000665E000-memory.dmp

      Filesize

      120KB

    • memory/2428-151-0x0000000006C40000-0x0000000006C72000-memory.dmp

      Filesize

      200KB

    • memory/2428-152-0x0000000070900000-0x000000007094C000-memory.dmp

      Filesize

      304KB

    • memory/2428-140-0x0000000004FE0000-0x0000000005016000-memory.dmp

      Filesize

      216KB

    • memory/2428-154-0x00000000080D0000-0x000000000874A000-memory.dmp

      Filesize

      6.5MB

    • memory/3824-135-0x0000000005050000-0x000000000505A000-memory.dmp

      Filesize

      40KB

    • memory/3824-132-0x00000000005D0000-0x00000000006B4000-memory.dmp

      Filesize

      912KB

    • memory/3824-136-0x0000000007570000-0x000000000760C000-memory.dmp

      Filesize

      624KB

    • memory/3824-137-0x0000000000EB0000-0x0000000000F16000-memory.dmp

      Filesize

      408KB

    • memory/3824-134-0x00000000050A0000-0x0000000005132000-memory.dmp

      Filesize

      584KB

    • memory/3824-133-0x00000000055B0000-0x0000000005B54000-memory.dmp

      Filesize

      5.6MB