Analysis

  • max time kernel
    137s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2022 18:28

General

  • Target

    e6d92ae4bd68881ca34a4afa1a2fd890.exe

  • Size

    1.1MB

  • MD5

    e6d92ae4bd68881ca34a4afa1a2fd890

  • SHA1

    ab57049aab3945ef97766eb909fca8f700039c42

  • SHA256

    3a6ef5a50738a5230ca6c62f187b62b134ca090ba559f65c8a8204d9a66f724d

  • SHA512

    f6bbfb7ae64dbe6222258576dfbd6f1d66a6064a653471b5fbb1811b0870bce9a3fb3b6a3dba13d8e1e892670601307b13750336c731e8cf34fd3a54ac9ee89e

Malware Config

Extracted

Family

netwire

C2

185.140.53.154:3343

185.140.53.154:3345

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

    Pass@2022

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6d92ae4bd68881ca34a4afa1a2fd890.exe
    "C:\Users\Admin\AppData\Local\Temp\e6d92ae4bd68881ca34a4afa1a2fd890.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SlqnwubuYUWfs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4280
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SlqnwubuYUWfs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CB8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:520
    • C:\Users\Admin\AppData\Local\Temp\e6d92ae4bd68881ca34a4afa1a2fd890.exe
      "C:\Users\Admin\AppData\Local\Temp\e6d92ae4bd68881ca34a4afa1a2fd890.exe"
      2⤵
        PID:5092

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4CB8.tmp

      Filesize

      1KB

      MD5

      0edff15e887683303b9c4f80189ec8e0

      SHA1

      38914ab9ed3db673e708a55ea987a9ad53fd29d8

      SHA256

      c296335dd696acd81d4aa7e5c6d96bd4fa064c1fd8fed60d0a478b86ead22166

      SHA512

      8792c020ff36ad6d783d2322708045db4090314f1ad9d413ad20116787d7afc060dcc4d55470c1130c2a463a61e770e8f575ae04e9981c57a1ac6162e182f2ca

    • memory/520-137-0x0000000000000000-mapping.dmp

    • memory/2564-131-0x0000000005800000-0x0000000005DA4000-memory.dmp

      Filesize

      5.6MB

    • memory/2564-132-0x00000000052F0000-0x0000000005382000-memory.dmp

      Filesize

      584KB

    • memory/2564-133-0x00000000052E0000-0x00000000052EA000-memory.dmp

      Filesize

      40KB

    • memory/2564-134-0x0000000007560000-0x00000000075FC000-memory.dmp

      Filesize

      624KB

    • memory/2564-135-0x0000000001130000-0x0000000001196000-memory.dmp

      Filesize

      408KB

    • memory/2564-130-0x0000000000810000-0x000000000092A000-memory.dmp

      Filesize

      1.1MB

    • memory/4280-145-0x0000000005060000-0x0000000005082000-memory.dmp

      Filesize

      136KB

    • memory/4280-146-0x0000000005200000-0x0000000005266000-memory.dmp

      Filesize

      408KB

    • memory/4280-141-0x00000000052D0000-0x00000000058F8000-memory.dmp

      Filesize

      6.2MB

    • memory/4280-158-0x0000000007750000-0x0000000007758000-memory.dmp

      Filesize

      32KB

    • memory/4280-157-0x0000000007770000-0x000000000778A000-memory.dmp

      Filesize

      104KB

    • memory/4280-138-0x0000000004BA0000-0x0000000004BD6000-memory.dmp

      Filesize

      216KB

    • memory/4280-136-0x0000000000000000-mapping.dmp

    • memory/4280-155-0x00000000076B0000-0x0000000007746000-memory.dmp

      Filesize

      600KB

    • memory/4280-147-0x0000000006130000-0x000000000614E000-memory.dmp

      Filesize

      120KB

    • memory/4280-156-0x0000000007660000-0x000000000766E000-memory.dmp

      Filesize

      56KB

    • memory/4280-149-0x00000000066E0000-0x0000000006712000-memory.dmp

      Filesize

      200KB

    • memory/4280-150-0x0000000070410000-0x000000007045C000-memory.dmp

      Filesize

      304KB

    • memory/4280-151-0x00000000066C0000-0x00000000066DE000-memory.dmp

      Filesize

      120KB

    • memory/4280-152-0x0000000007A80000-0x00000000080FA000-memory.dmp

      Filesize

      6.5MB

    • memory/4280-153-0x0000000007430000-0x000000000744A000-memory.dmp

      Filesize

      104KB

    • memory/4280-154-0x00000000074B0000-0x00000000074BA000-memory.dmp

      Filesize

      40KB

    • memory/5092-144-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/5092-148-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/5092-142-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/5092-140-0x0000000000000000-mapping.dmp