Analysis

  • max time kernel
    7s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 00:44

General

  • Target

    ItroublveTSC-master/ItroublveTSC.exe

  • Size

    2.0MB

  • MD5

    7c2da2ae36228b8b66ec5e5029e90d08

  • SHA1

    d636baf89fd305a1f694611097ac6e7bcb1f244c

  • SHA256

    c6820f426b28b93295ca3b768780e8b372424fb72e94b5d0c094b030f53d4721

  • SHA512

    93cbc698211b0ab0f96ab3f0eb8d393bcd04580418e08fc6df9b935a7cdd091b619a0edab4771b4c887264b0eef6846e6e08a7be24a8681848a1885206a29960

  • SSDEEP

    49152:DL+qgtiXBVLcHD/QmJqRsVEzCeePMAnUD:OzcBVYHDjcyVMukAUD

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Office04

C2

zaidtheboii-50153.portmap.host:50153

Mutex

VNM_MUTEX_fNWmZ9wa8oprRXUo73

Attributes
  • encryption_key

    PJRTtGrfOi1c09c0GCYT

  • install_name

    OneDrive.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft One Drive

  • subdirectory

    Microsoft One Drive

Signatures

  • Contains code to disable Windows Defender 3 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ItroublveTSC-master\ItroublveTSC.exe
    "C:\Users\Admin\AppData\Local\Temp\ItroublveTSC-master\ItroublveTSC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Roaming\ItroublveTSC.exe
      "C:\Users\Admin\AppData\Roaming\ItroublveTSC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3068
    • C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "Microsoft One Drive" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:2460
      • C:\Windows\SysWOW64\Microsoft One Drive\OneDrive.exe
        "C:\Windows\SysWOW64\Microsoft One Drive\OneDrive.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Microsoft One Drive" /sc ONLOGON /tr "C:\Windows\SysWOW64\Microsoft One Drive\OneDrive.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:1984
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\klBjzeYUceSa.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:312
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
              PID:2564
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 10 localhost
              5⤵
              • Runs ping.exe
              PID:924
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 1440
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:1684
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell" Get-MpPreference -verbose
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2864
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2064
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
            4⤵
            • Deletes itself
            PID:596
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\Ubh8bZ2xxsQD.bat" "
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1272
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
              PID:1496
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 10 localhost
              4⤵
              • Runs ping.exe
              PID:552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

        Filesize

        68KB

        MD5

        29f65ba8e88c063813cc50a4ea544e93

        SHA1

        05a7040d5c127e68c25d81cc51271ffb8bef3568

        SHA256

        1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

        SHA512

        e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

      • C:\Users\Admin\AppData\Local\Temp\Tar2C65.tmp

        Filesize

        177KB

        MD5

        435a9ac180383f9fa094131b173a2f7b

        SHA1

        76944ea657a9db94f9a4bef38f88c46ed4166983

        SHA256

        67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

        SHA512

        1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

      • C:\Users\Admin\AppData\Local\Temp\Ubh8bZ2xxsQD.bat

        Filesize

        215B

        MD5

        b8d69eb824525d4323b0aeae11666c87

        SHA1

        67d93a9655e336885906fa680c35b5d5f5418b9d

        SHA256

        f34294e1881077106be42010321b74b94fdd9e17e50aee9f0adb84e618ca9d23

        SHA512

        cb19594c8243d7b08d55a6d9cc23518cffc66b0f42e2892ddaea444a8cc131a67bedf942904bc816d363ee1d11c1fcd3208d6a3971e78258db2585e379979278

      • C:\Users\Admin\AppData\Local\Temp\klBjzeYUceSa.bat

        Filesize

        211B

        MD5

        672056a69a3e11379d4aa4d1ae863604

        SHA1

        f888ede81eca74b72ffcd6ce7ff96202d3f15ca2

        SHA256

        6cc55d2f02f197c676946bc87efa9cd81d504a552beb8b4b901c364493af8c30

        SHA512

        47b737d6f7fb8fc0eb81a61f10f33fb823c630bd7bf43a2a7367f71c919e1117a34c5803a2ed2ae06a440f8548ee3de0811ed7b32c9dfc2f51fe670ff6df0bb6

      • C:\Users\Admin\AppData\Roaming\ItroublveTSC.exe

        Filesize

        3.9MB

        MD5

        53f43b1e9d99d6a356a332d9073b4736

        SHA1

        71e6c5a216a66b2b523b1b022d44c10b276c6195

        SHA256

        584bf67e7c8e93629e175733fe42907e60916047e68f1b4973d4cbf3dd2c22d6

        SHA512

        e7c5e4b26309e38dd1dd52b4f509c94fb9f50453e4d5c2ba895b02c48457a15c384866fdeb57185b628f10873ed6a6e6936ad170827f4855c9c5eca15ab8f959

      • \Users\Admin\AppData\Local\Temp\Microsoft OneDrive.exe

        Filesize

        550KB

        MD5

        3fce051fde9fbd1302b4ee16f604553b

        SHA1

        e137d2e6fa0007ddd0bf3a1215a68b37ef2ed653

        SHA256

        a34954a87d0f4354a21e40ea0e9a9eee4420f47987d40be854ea7b98d6d36226

        SHA512

        cb07f753043b7705b0e32bbf4e1ae8ddf6176851562dea567e75a4715b1beb4031d35a43b6bf0bc45d5b2da7430be0d87b6ae61b5b2e07c7c8950bb0247e4a5c

      • memory/2528-30-0x00000000003E0000-0x0000000000470000-memory.dmp

        Filesize

        576KB

      • memory/2528-32-0x0000000004950000-0x0000000004990000-memory.dmp

        Filesize

        256KB

      • memory/2528-31-0x0000000072A40000-0x000000007312E000-memory.dmp

        Filesize

        6.9MB

      • memory/2556-121-0x0000000072A40000-0x000000007312E000-memory.dmp

        Filesize

        6.9MB

      • memory/2556-18-0x0000000001190000-0x0000000001220000-memory.dmp

        Filesize

        576KB

      • memory/2556-20-0x0000000072A40000-0x000000007312E000-memory.dmp

        Filesize

        6.9MB

      • memory/2556-22-0x0000000004BE0000-0x0000000004C20000-memory.dmp

        Filesize

        256KB

      • memory/2864-38-0x0000000002C50000-0x0000000002C90000-memory.dmp

        Filesize

        256KB

      • memory/2864-35-0x000000006F2C0000-0x000000006F86B000-memory.dmp

        Filesize

        5.7MB

      • memory/2864-36-0x0000000002C50000-0x0000000002C90000-memory.dmp

        Filesize

        256KB

      • memory/2864-37-0x000000006F2C0000-0x000000006F86B000-memory.dmp

        Filesize

        5.7MB

      • memory/2864-39-0x000000006F2C0000-0x000000006F86B000-memory.dmp

        Filesize

        5.7MB

      • memory/2940-0-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/2940-17-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/2940-2-0x0000000000C50000-0x0000000000C90000-memory.dmp

        Filesize

        256KB

      • memory/2940-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

        Filesize

        5.7MB

      • memory/3068-23-0x0000000000980000-0x00000000009C0000-memory.dmp

        Filesize

        256KB

      • memory/3068-21-0x0000000072A40000-0x000000007312E000-memory.dmp

        Filesize

        6.9MB

      • memory/3068-19-0x0000000000D10000-0x00000000010F6000-memory.dmp

        Filesize

        3.9MB