Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2022 11:44

General

  • Target

    7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe

  • Size

    877KB

  • MD5

    b9f12014018438f46d4a7e668919b370

  • SHA1

    5265ef447a377aeb380bfaa16835f9e8d1ed162a

  • SHA256

    7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d

  • SHA512

    35e024cf309ecf8190ae4b0fc8309e04554aec5fceb7d368db85b9cc5d9a089e2f566068b2de79107002fa1a72e8d68259805c55a30b4823983512b7807126d7

Malware Config

Extracted

Family

netwire

C2

194.5.98.188:3364

194.5.98.188:3366

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

    j5m52xuc

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe
    "C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GCwwHNZZQllj.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCwwHNZZQllj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp114.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3212
    • C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe
      "C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe"
      2⤵
        PID:936
      • C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe
        "C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe"
        2⤵
          PID:4484
        • C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe
          "C:\Users\Admin\AppData\Local\Temp\7d8baae21bcb552ebcd990c0f242ad47aea319b8f3b88b6f50b3d11e65b00e6d.exe"
          2⤵
            PID:2992

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp114.tmp

          Filesize

          1KB

          MD5

          2be9de33a5376d299e3027c6f291add6

          SHA1

          15935a3a5d91bb22e78f6c62f47869998df4122b

          SHA256

          0ed25dbf90e31df54a5053c1d0c4d9b5472c44b2e9e088cd8873fd29f5a5cca4

          SHA512

          e012b0f3cdb30bb9dd8bff02060fbbab782f482fb6b7af38cbde17b796ac83878dfe8a7649bc846b8059854e66799c01c25936d0cc8909f8169a0670cb057cea

        • memory/936-143-0x0000000000000000-mapping.dmp

        • memory/2992-163-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/2992-151-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/2992-148-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/2992-146-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/2992-145-0x0000000000000000-mapping.dmp

        • memory/3212-139-0x0000000000000000-mapping.dmp

        • memory/4484-144-0x0000000000000000-mapping.dmp

        • memory/4728-149-0x0000000005110000-0x0000000005132000-memory.dmp

          Filesize

          136KB

        • memory/4728-160-0x0000000007590000-0x000000000759E000-memory.dmp

          Filesize

          56KB

        • memory/4728-138-0x0000000000000000-mapping.dmp

        • memory/4728-162-0x0000000007680000-0x0000000007688000-memory.dmp

          Filesize

          32KB

        • memory/4728-150-0x0000000005990000-0x00000000059F6000-memory.dmp

          Filesize

          408KB

        • memory/4728-161-0x00000000076A0000-0x00000000076BA000-memory.dmp

          Filesize

          104KB

        • memory/4728-142-0x00000000051F0000-0x0000000005818000-memory.dmp

          Filesize

          6.2MB

        • memory/4728-158-0x00000000073D0000-0x00000000073DA000-memory.dmp

          Filesize

          40KB

        • memory/4728-140-0x0000000004A80000-0x0000000004AB6000-memory.dmp

          Filesize

          216KB

        • memory/4728-159-0x00000000075E0000-0x0000000007676000-memory.dmp

          Filesize

          600KB

        • memory/4728-152-0x0000000006050000-0x000000000606E000-memory.dmp

          Filesize

          120KB

        • memory/4728-153-0x0000000006610000-0x0000000006642000-memory.dmp

          Filesize

          200KB

        • memory/4728-154-0x0000000070270000-0x00000000702BC000-memory.dmp

          Filesize

          304KB

        • memory/4728-155-0x0000000007010000-0x000000000702E000-memory.dmp

          Filesize

          120KB

        • memory/4728-156-0x00000000079A0000-0x000000000801A000-memory.dmp

          Filesize

          6.5MB

        • memory/4728-157-0x0000000007360000-0x000000000737A000-memory.dmp

          Filesize

          104KB

        • memory/4808-137-0x0000000008FC0000-0x0000000009026000-memory.dmp

          Filesize

          408KB

        • memory/4808-134-0x0000000005490000-0x0000000005522000-memory.dmp

          Filesize

          584KB

        • memory/4808-135-0x0000000005640000-0x000000000564A000-memory.dmp

          Filesize

          40KB

        • memory/4808-136-0x0000000008F20000-0x0000000008FBC000-memory.dmp

          Filesize

          624KB

        • memory/4808-132-0x00000000009F0000-0x0000000000AD2000-memory.dmp

          Filesize

          904KB

        • memory/4808-133-0x0000000005A40000-0x0000000005FE4000-memory.dmp

          Filesize

          5.6MB