Analysis

  • max time kernel
    88s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2022 14:13

General

  • Target

    9a6a37c3a88223561379759bac35b1c9.exe

  • Size

    876KB

  • MD5

    9a6a37c3a88223561379759bac35b1c9

  • SHA1

    e33f8289f8f9c0d5b33b4cc33b19829c45c30f11

  • SHA256

    43515ecf901ddf50a3dbc0e8e1915a61e390a77b5f1c9f52846ecbb68bb3b6e0

  • SHA512

    20ae93552cbf3c5596b413e6c83a3858fa481f2eab4eca1001dad987a8a2aeb8587cc45b3d0726255957cbd80150823a07dc42ea800e70b6db9be16a3137b4d6

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 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe
    "C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qBSbhm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qBSbhm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBF7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1552
    • C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe
      "C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe"
      2⤵
        PID:1556
      • C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe
        "C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe"
        2⤵
          PID:524
        • C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe
          "C:\Users\Admin\AppData\Local\Temp\9a6a37c3a88223561379759bac35b1c9.exe"
          2⤵
            PID:1712

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpCBF7.tmp

          Filesize

          1KB

          MD5

          b982f3d82fae379851939e6f6196e285

          SHA1

          c2691e46a39d7beb819952aa804dd0cf54809d41

          SHA256

          e96e44ba66048413db4b4663290fb7a78992191417c7e19f3c337acfe9bb9720

          SHA512

          c19b97f779b6543cbf7c4a8759428cec0b6cc6c9458d66152d8729d0350a34feb4e81a9cbf9a4c899df66bc228ff925831ef9fe5951c30a16d9a5bf87fe89427

        • memory/1552-60-0x0000000000000000-mapping.dmp

        • memory/1708-59-0x0000000000000000-mapping.dmp

        • memory/1708-81-0x000000006E810000-0x000000006EDBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1708-79-0x000000006E810000-0x000000006EDBB000-memory.dmp

          Filesize

          5.7MB

        • memory/1712-65-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-78-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-82-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-80-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-64-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-75-0x000000000040242D-mapping.dmp

        • memory/1712-67-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-69-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-70-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-71-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-73-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1712-74-0x0000000000400000-0x0000000000433000-memory.dmp

          Filesize

          204KB

        • memory/1976-54-0x0000000000F00000-0x0000000000FE0000-memory.dmp

          Filesize

          896KB

        • memory/1976-58-0x0000000007EA0000-0x0000000007F18000-memory.dmp

          Filesize

          480KB

        • memory/1976-56-0x00000000005F0000-0x0000000000614000-memory.dmp

          Filesize

          144KB

        • memory/1976-63-0x0000000005040000-0x0000000005078000-memory.dmp

          Filesize

          224KB

        • memory/1976-55-0x0000000076901000-0x0000000076903000-memory.dmp

          Filesize

          8KB

        • memory/1976-57-0x00000000006E0000-0x00000000006EC000-memory.dmp

          Filesize

          48KB