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Analysis

  • max time kernel
    65s
  • max time network
    67s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    05/03/2025, 23:55

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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 53 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:560
    • 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:1508
    • 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:2960
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF6F3.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:116
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2628
  • C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
    "C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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:1460
    • C:\Windows\system32\shutdown.exe
      shutdown.exe /f /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3564
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3480
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3a26855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4132

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

    3KB

    MD5

    3eb3833f769dd890afc295b977eab4b4

    SHA1

    e857649b037939602c72ad003e5d3698695f436f

    SHA256

    c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

    SHA512

    c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

    Filesize

    1KB

    MD5

    c67441dfa09f61bca500bb43407c56b8

    SHA1

    5a56cf7cbeb48c109e2128c31b681fac3959157b

    SHA256

    63082da456c124d0bc516d2161d1613db5f3008d903e4066d2c7b4e90b435f33

    SHA512

    325de8b718b3a01df05e20e028c5882240e5fd2e96c771361b776312923ff178f27494a1f5249bf6d7365a99155eb8735a51366e85597008e6a10462e63ee0e8

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4uoaceiw.fjq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF6F3.tmp.bat

    Filesize

    164B

    MD5

    2cedfac191ac0238203085f49a474293

    SHA1

    3deaf2e930f62dd9289ae358d4da6cff419efe69

    SHA256

    66afcfc3c5df06282460b0ad8126e7055019131d8211f021d8733ee98a8a4bc3

    SHA512

    11b4bf4ecc5334c23314ee85f4356a1cdf4d84ff68c31d3f23cf5a58b0a954ac75ed2eee881e788cafb9743af937dff00eb688ac8f6073f04627e5e01a479d84

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

    Filesize

    227KB

    MD5

    38b7704d2b199559ada166401f1d51c1

    SHA1

    3376eec35cd4616ba8127b976a8667e7a0aac87d

    SHA256

    153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

    SHA512

    07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

  • memory/560-0-0x00007FFFA4F23000-0x00007FFFA4F25000-memory.dmp

    Filesize

    8KB

  • memory/560-1-0x0000000000710000-0x0000000000750000-memory.dmp

    Filesize

    256KB

  • memory/560-32-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/560-38-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-12-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-13-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-14-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-17-0x00007FFFA4F20000-0x00007FFFA59E2000-memory.dmp

    Filesize

    10.8MB

  • memory/1508-2-0x0000024F4E470000-0x0000024F4E492000-memory.dmp

    Filesize

    136KB

  • memory/2688-40-0x0000000000E00000-0x0000000000E0E000-memory.dmp

    Filesize

    56KB