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05/03/2025, 23:56

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05/03/2025, 23:56

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Analysis

  • max time kernel
    27s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2025, 23:56

Errors

Reason
Machine shutdown

General

  • Target

    ExodusInject.exe

  • Size

    227KB

  • MD5

    38b7704d2b199559ada166401f1d51c1

  • SHA1

    3376eec35cd4616ba8127b976a8667e7a0aac87d

  • SHA256

    153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

  • SHA512

    07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

  • SSDEEP

    3072:iBIVzZQgudhV3mypQgbNjcEHBAnpK37nXY8q004Q78ePsi74tyJhbgKL/VoilIBS:Ur3mypQX8mOeP/9/VtLGH+8l

Malware Config

Extracted

Family

xworm

Version

5.0

C2

137.184.74.73:5000

Mutex

Y2rnj2CSRObOXXLb

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    System.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 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 10 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe
    "C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\AggregatorHost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1752
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AggregatorHost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1120
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC542.tmp.bat""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:536
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2916
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A99DE608-0351-48F3-A033-FCBE3ABBA7F6} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
      C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System" /tr "C:\ProgramData\System.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2164
      • C:\Windows\system32\shutdown.exe
        shutdown.exe /f /s /t 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1936
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1344
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1388

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpC542.tmp.bat

        Filesize

        164B

        MD5

        ba847b3c61dfb239761b71134ea134f4

        SHA1

        172088e85b781c2a479fe76689b349aff496f1f5

        SHA256

        695804da14cf33deaf263a58f4e1c370532987867bd47530435c0b1a08a35ff8

        SHA512

        61580c5b74dabc9a6bfebd08228a69625520773e70f3b1bab73d9e9c74bfa56eb3309e1d08e865cc8f70c9787fbe4f025e7950945bc358ca4eae6ba86cd09628

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

        Filesize

        227KB

        MD5

        38b7704d2b199559ada166401f1d51c1

        SHA1

        3376eec35cd4616ba8127b976a8667e7a0aac87d

        SHA256

        153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

        SHA512

        07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\EAL54I527DACR5ENB7AJ.temp

        Filesize

        7KB

        MD5

        3cab3fdf457f50ee04e8c03832ed2c00

        SHA1

        cba9da7f8cc4eccc37bac6ef7eb71ed51ecd0ae4

        SHA256

        7a2ed2835a12a67dce4f8bdea993578294f994bb1cf73203bcf662f764092f33

        SHA512

        8ecb2637bdedc2d08664e133078f5a83213f7ba5d085328cee27b23c206bf5a82a8f319af8dcddc99ae119a986222af821c2a4c76fc5c81d249c131b1e972ad5

      • memory/1120-14-0x00000000027A0000-0x00000000027A8000-memory.dmp

        Filesize

        32KB

      • memory/1120-13-0x000000001B670000-0x000000001B952000-memory.dmp

        Filesize

        2.9MB

      • memory/1664-29-0x0000000001240000-0x0000000001280000-memory.dmp

        Filesize

        256KB

      • memory/1664-30-0x0000000000160000-0x000000000016E000-memory.dmp

        Filesize

        56KB

      • memory/1752-7-0x0000000001DB0000-0x0000000001DB8000-memory.dmp

        Filesize

        32KB

      • memory/1752-6-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

        Filesize

        2.9MB

      • memory/2412-0-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

        Filesize

        4KB

      • memory/2412-25-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

        Filesize

        9.9MB

      • memory/2412-1-0x0000000001220000-0x0000000001260000-memory.dmp

        Filesize

        256KB

      • memory/2412-35-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

        Filesize

        9.9MB