Analysis

  • max time kernel
    91s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2022 06:53

General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.12142.exe

  • Size

    920KB

  • MD5

    c351b1bd7a09b17641f40d128a36a26c

  • SHA1

    eb958884a41f20db6ff81f87e947c867ec4eeb12

  • SHA256

    9a558d058307b8c1ef997ef5aa803d4e1f91b94c3c4df9bf038c4b445713a37c

  • SHA512

    82ba2a699e99141a802f9cb450e8885829939a70cbd3e93661116f0a92e077a07958d3a20a8ab5dd4b1ae0a3f5387ce348a11d1b246935eb4365bc58be8cbb14

Malware Config

Extracted

Family

netwire

C2

194.5.98.126:3378

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@2023

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.12142.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.12142.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nSBAKDEhpbm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nSBAKDEhpbm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB3FE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4896
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.12142.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.12142.exe"
      2⤵
        PID:4992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpB3FE.tmp

      Filesize

      1KB

      MD5

      9c68061b0484ee37eb8c8cc6d4f5c8b9

      SHA1

      b357d7edb38caf052a5eb17d99fd37f997fae431

      SHA256

      334f93536584656f2c2607fc1ba191b34bd9475fc243c3168eb6816ea2f951b0

      SHA512

      da039ef6c2a9226221c5ccdb1465b2836c3e244838ec54587351a63d4ebfe1002d121d21615d9f9276c8c241a52884a2e9be4beb14628469dd512359f67268a5

    • memory/1828-131-0x0000000005140000-0x00000000056E4000-memory.dmp

      Filesize

      5.6MB

    • memory/1828-132-0x0000000004B90000-0x0000000004C22000-memory.dmp

      Filesize

      584KB

    • memory/1828-133-0x0000000004B60000-0x0000000004B6A000-memory.dmp

      Filesize

      40KB

    • memory/1828-134-0x0000000006E00000-0x0000000006E9C000-memory.dmp

      Filesize

      624KB

    • memory/1828-135-0x000000000AD20000-0x000000000AD86000-memory.dmp

      Filesize

      408KB

    • memory/1828-130-0x00000000000D0000-0x00000000001BA000-memory.dmp

      Filesize

      936KB

    • memory/3092-152-0x00000000081C0000-0x000000000883A000-memory.dmp

      Filesize

      6.5MB

    • memory/3092-154-0x0000000007BE0000-0x0000000007BEA000-memory.dmp

      Filesize

      40KB

    • memory/3092-158-0x0000000007E90000-0x0000000007E98000-memory.dmp

      Filesize

      32KB

    • memory/3092-140-0x0000000005A10000-0x0000000006038000-memory.dmp

      Filesize

      6.2MB

    • memory/3092-157-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

      Filesize

      104KB

    • memory/3092-156-0x0000000007DA0000-0x0000000007DAE000-memory.dmp

      Filesize

      56KB

    • memory/3092-155-0x0000000007DF0000-0x0000000007E86000-memory.dmp

      Filesize

      600KB

    • memory/3092-145-0x0000000005890000-0x00000000058B2000-memory.dmp

      Filesize

      136KB

    • memory/3092-146-0x0000000006170000-0x00000000061D6000-memory.dmp

      Filesize

      408KB

    • memory/3092-138-0x00000000052B0000-0x00000000052E6000-memory.dmp

      Filesize

      216KB

    • memory/3092-148-0x0000000006870000-0x000000000688E000-memory.dmp

      Filesize

      120KB

    • memory/3092-149-0x0000000006E30000-0x0000000006E62000-memory.dmp

      Filesize

      200KB

    • memory/3092-150-0x00000000705B0000-0x00000000705FC000-memory.dmp

      Filesize

      304KB

    • memory/3092-151-0x0000000006E10000-0x0000000006E2E000-memory.dmp

      Filesize

      120KB

    • memory/3092-136-0x0000000000000000-mapping.dmp

    • memory/3092-153-0x0000000007B70000-0x0000000007B8A000-memory.dmp

      Filesize

      104KB

    • memory/4896-137-0x0000000000000000-mapping.dmp

    • memory/4992-147-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/4992-144-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/4992-142-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB

    • memory/4992-141-0x0000000000000000-mapping.dmp

    • memory/4992-159-0x0000000000400000-0x0000000000433000-memory.dmp

      Filesize

      204KB