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Analysis

  • max time kernel
    37s
  • max time network
    39s
  • 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, 23:54

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:2660
    • 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:3436
    • 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:3872
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1876
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4456
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1492
  • 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:2296
    • 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:3412
    • C:\Windows\system32\shutdown.exe
      shutdown.exe /f /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3184
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4592
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3a21855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4024

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

    339785ab716c3e0dd0d9d1c20dd6efb5

    SHA1

    f55140326cb130792e5ed2b2428f1de7c67fbac4

    SHA256

    a493ee778174688f2526101d67c1764c4252418666952e1a6337158a324d9fe2

    SHA512

    ce79985ce8c99530f8f1e1700d2f13c91c34566deb8b7ed72934dfbb6b5e12fb536b76c6096530fb1b3b4de0488c94b26634c988d98afa61f855a9d55993a2d3

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

    Filesize

    1KB

    MD5

    c2c5b85e4f8fdb6c3cd3b3dc78e28cca

    SHA1

    5111242d16b5e23aacdab46f2ebe70777085c055

    SHA256

    84a746759287f35748a52d4e8841751c4b200093e1d827132e117f417daa1206

    SHA512

    8469c068cfb70a7d166f7c905429f52ecd50c1ca33cb88361ca7b4861ed6248687191938238d43f279932a42d90eba13edb0e590b239feda5e4f05b9c0957839

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tjhx3gsc.3w4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA4CB.tmp.bat

    Filesize

    164B

    MD5

    67cd3995082b880b7f91288649b9ec64

    SHA1

    33e72132f712a93944d49bcdd0b52ede4288feb9

    SHA256

    d38c9efb7f5604a3d2ae1d2b2680e94c53729592262de87f8aeeedd90ba86209

    SHA512

    297fde13fe9a9b9c4a5c0b276f2493800de2c4c02ed19b8c657ddadfd7ad37dc04d9a5dc3f4f0e45e1a783f36a41081eabea89becd0205c07cf3f227a6d7e941

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

    Filesize

    227KB

    MD5

    38b7704d2b199559ada166401f1d51c1

    SHA1

    3376eec35cd4616ba8127b976a8667e7a0aac87d

    SHA256

    153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

    SHA512

    07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

  • memory/2296-40-0x0000000001540000-0x000000000154E000-memory.dmp

    Filesize

    56KB

  • memory/2660-32-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB

  • memory/2660-1-0x0000000000D30000-0x0000000000D70000-memory.dmp

    Filesize

    256KB

  • memory/2660-0-0x00007FF9D7793000-0x00007FF9D7795000-memory.dmp

    Filesize

    8KB

  • memory/2660-39-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-11-0x000001D93CE00000-0x000001D93CE22000-memory.dmp

    Filesize

    136KB

  • memory/3436-17-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-14-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-13-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB

  • memory/3436-12-0x00007FF9D7790000-0x00007FF9D8252000-memory.dmp

    Filesize

    10.8MB