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Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/03/2025, 23:51

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.

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

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 15 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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:2916
    • 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:4784
    • 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:3800
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD1C7.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2680
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:764
  • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    1⤵
    • Drops startup file
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • 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"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4420
    • C:\Windows\system32\shutdown.exe
      shutdown.exe /f /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3464
  • C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3556
    • C:\Windows\system32\Taskmgr.exe
      taskmgr
      2⤵
        PID:768
    • C:\ProgramData\System.exe
      C:\ProgramData\System.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1052
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3a20055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      627073ee3ca9676911bee35548eff2b8

      SHA1

      4c4b68c65e2cab9864b51167d710aa29ebdcff2e

      SHA256

      85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

      SHA512

      3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      944B

      MD5

      1a9fa92a4f2e2ec9e244d43a6a4f8fb9

      SHA1

      9910190edfaccece1dfcc1d92e357772f5dae8f7

      SHA256

      0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

      SHA512

      5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_busdqrsd.vr3.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD1C7.tmp.bat

      Filesize

      164B

      MD5

      3703a20c41d9796b2bab883bb16f5af7

      SHA1

      712dfa463f8eeda15b3e351c216f7378700f59b9

      SHA256

      1b66d0a855a4a5efacba9d1d22f43e9b2ad5b89b21bced9224d126dcc3de168c

      SHA512

      16a654b0127706d977863f8540fa23ff7b3879617c11002e0d71e5cdbf5e63394553c671ca02070e2248ef42c7dbd5edd060d3a33662da9da8e76f49d3cb9803

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

      Filesize

      227KB

      MD5

      38b7704d2b199559ada166401f1d51c1

      SHA1

      3376eec35cd4616ba8127b976a8667e7a0aac87d

      SHA256

      153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

      SHA512

      07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

    • memory/1072-38-0x00000000011B0000-0x00000000011BE000-memory.dmp

      Filesize

      56KB

    • memory/2916-0-0x00007FFD254E3000-0x00007FFD254E5000-memory.dmp

      Filesize

      8KB

    • memory/2916-1-0x0000000000200000-0x0000000000240000-memory.dmp

      Filesize

      256KB

    • memory/2916-30-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB

    • memory/2916-37-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB

    • memory/4784-3-0x0000021B04E00000-0x0000021B04E22000-memory.dmp

      Filesize

      136KB

    • memory/4784-12-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB

    • memory/4784-13-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB

    • memory/4784-16-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB

    • memory/4784-2-0x00007FFD254E0000-0x00007FFD25FA2000-memory.dmp

      Filesize

      10.8MB