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05/03/2025, 23:55

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Analysis

  • max time kernel
    52s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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.

  • 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:2264
    • 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:2320
    • 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:1800
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp954.tmp.bat""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2672
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2780
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {D1F93651-F170-49CA-B4BF-9A54495BD8F0} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • 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:1460
      • 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:1624
      • C:\Windows\system32\shutdown.exe
        shutdown.exe /f /s /t 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1700
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:940
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1124

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp954.tmp.bat

        Filesize

        163B

        MD5

        43aba4ad3a03062fdb57b33bc8764961

        SHA1

        ef8b5faccf787d7ec354b7d68ca31a1609e80a9b

        SHA256

        fd8793b27fd4d47a5051cf1869f34db32bea66acb7e6be38b0365e960a471235

        SHA512

        c1cea169618ddee0fe4dbc1bf763661d18b078e49f1321a7fa5c80a005b910337be61df9e60290a329efed855f16148f8071952d7fffc95bdcd0c845463185d5

      • 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\590aee7bdd69b59b.customDestinations-ms

        Filesize

        7KB

        MD5

        a02b2318f9b4b565a73cfdc4f880ae6e

        SHA1

        f1600d5d4fb70ecd3777eb2f436a69a9541929d0

        SHA256

        23791929269589151d1ab6ead4dab0ca846313eba028081544129bdfed7935b8

        SHA512

        4c4d5477931aeed3f26487fd735b8706e1f0ec5982c7e57df309ea73fb541dbe9e3a1b9da3ad88621d01b83f81dd6966a32926805f6e63f7fc01db53e2b0eda3

      • memory/1460-30-0x0000000000260000-0x000000000026E000-memory.dmp

        Filesize

        56KB

      • memory/1460-29-0x0000000001060000-0x00000000010A0000-memory.dmp

        Filesize

        256KB

      • memory/1800-14-0x00000000026F0000-0x00000000026F8000-memory.dmp

        Filesize

        32KB

      • memory/1800-13-0x000000001B130000-0x000000001B412000-memory.dmp

        Filesize

        2.9MB

      • memory/2264-0-0x000007FEF64B3000-0x000007FEF64B4000-memory.dmp

        Filesize

        4KB

      • memory/2264-25-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-1-0x0000000000AD0000-0x0000000000B10000-memory.dmp

        Filesize

        256KB

      • memory/2264-35-0x000007FEF64B0000-0x000007FEF6E9C000-memory.dmp

        Filesize

        9.9MB

      • memory/2320-7-0x0000000002490000-0x0000000002498000-memory.dmp

        Filesize

        32KB

      • memory/2320-6-0x000000001B290000-0x000000001B572000-memory.dmp

        Filesize

        2.9MB