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05/03/2025, 23:56

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Analysis

  • max time kernel
    33s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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.

  • 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:2500
    • 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:1872
    • 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:2976
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpEDF7.tmp.bat""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:316
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1048
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FDB689CF-BC84-4E48-8D7E-C19DF06778CD} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2672
    • 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:2956
      • 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:2240
      • C:\Windows\system32\shutdown.exe
        shutdown.exe /f /s /t 0
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2468
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1580
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:820
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:2284

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpEDF7.tmp.bat

          Filesize

          164B

          MD5

          859f094cf156d3f1e6af30a1f89b6c14

          SHA1

          5924a403a1b52a66ac57e9fe36a696117da1041b

          SHA256

          758ea06c7e87fc13ac8b14375d7508a83257ce790d13af00b2a87c3366d74908

          SHA512

          2deefd53129855e2054af043874a2c1855cef2277526279638f2ca21b6fdb2e9f21d77cbdb6c82bedac536bf4f0a321d4160edce948b936f827cef59f7bf2aa1

        • 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

          a7404c9b7b00d88da4aacad31036061a

          SHA1

          28cd64e2d2678a5bab7608b91bbc2df0c830e7ba

          SHA256

          43ffee8b990519dc64b348fb7ccd3358defa86e13255e2147bed5a0e17d95405

          SHA512

          da6efa39a387f9f49fb6500cf70c5a7afd28794185eeb7f6c592021037c1946dc6677302ef8a346ff87efcf6d358d113cdc2a2f27daa6ffb0866e2306517740b

        • memory/1872-7-0x0000000001F00000-0x0000000001F08000-memory.dmp

          Filesize

          32KB

        • memory/1872-6-0x000000001B780000-0x000000001BA62000-memory.dmp

          Filesize

          2.9MB

        • memory/2500-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

          Filesize

          4KB

        • memory/2500-25-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

          Filesize

          9.9MB

        • memory/2500-1-0x0000000000110000-0x0000000000150000-memory.dmp

          Filesize

          256KB

        • memory/2500-35-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

          Filesize

          9.9MB

        • memory/2956-29-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

          Filesize

          256KB

        • memory/2956-30-0x0000000000370000-0x000000000037E000-memory.dmp

          Filesize

          56KB

        • memory/2976-13-0x000000001B660000-0x000000001B942000-memory.dmp

          Filesize

          2.9MB

        • memory/2976-14-0x0000000002860000-0x0000000002868000-memory.dmp

          Filesize

          32KB