Analysis

  • max time kernel
    1797s
  • max time network
    1792s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17-11-2024 19:52

General

  • Target

    Xworm 5.6.exe

  • Size

    212KB

  • MD5

    79a261a7ed31322af647ac3779479773

  • SHA1

    e392f7feeb3ae0e5eb74deebdb0a983a0bb22be5

  • SHA256

    fdc1271b3f571e656af8be8b944641592f2cb27b422756921fbfc6eeef55710e

  • SHA512

    137b082fc232a5112eabc9f9d5c66cc8186f4b5047f0328cc427311d3afd526c3b893896c29ea548bfea20485cf8c09a0299bc71dd0b85a10efd162549c33179

  • SSDEEP

    3072:mIl0bB95AOnVgk0A2ewhLapuvpAsZOyMqmyBeYVYA:/ubVhVnY/GWGwqqm1

Malware Config

Extracted

Family

xworm

C2

java-either.gl.at.ply.gg:50133

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 30 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Xworm 5.6.exe
    "C:\Users\Admin\AppData\Local\Temp\Xworm 5.6.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4892
    • 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\Local\Temp\Xworm 5.6.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4400
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xworm 5.6.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140
    • 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\Xworm'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:408
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xworm'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3500
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Xworm" /tr "C:\Users\Admin\AppData\Roaming\Xworm"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:392
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1772
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2740
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3116
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2604
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4464
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:940
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4284
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4504
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2096
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:660
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1552
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4572
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3592
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3516
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3704
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1180
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3612
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1584
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3260
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2600
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1000
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1784
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:972
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4132
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4012
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2340
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2192
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2416
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:72
  • C:\Users\Admin\AppData\Roaming\Xworm
    C:\Users\Admin\AppData\Roaming\Xworm
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    654B

    MD5

    2cbbb74b7da1f720b48ed31085cbd5b8

    SHA1

    79caa9a3ea8abe1b9c4326c3633da64a5f724964

    SHA256

    e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

    SHA512

    ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

    Filesize

    2KB

    MD5

    627073ee3ca9676911bee35548eff2b8

    SHA1

    4c4b68c65e2cab9864b51167d710aa29ebdcff2e

    SHA256

    85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

    SHA512

    3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

    Filesize

    944B

    MD5

    45f53352160cf0903c729c35c8edfdce

    SHA1

    b35a4d4fbaf2a3cc61e540fc03516dd70f3c34ab

    SHA256

    9cf18d157a858fc143a6de5c2dd3f618516a527b34478ac478d8c94ff027b0d2

    SHA512

    e3fa27a80a1df58acb49106c306dab22e5ed582f6b0cd7d9c3ef0a85e9f5919333257e88aa44f42a0e095fd577c9e12a02957a7845c0d109f821f32d8d3343f3

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

    Filesize

    944B

    MD5

    5b705b4839f481b2485f2195c589cad0

    SHA1

    a55866cd9e6fedf352d0e937101755ea61a50c86

    SHA256

    f6a3b94a63de605bbbcf1e95cb2d743166f44ea7e9d0d2bfa0e88c94c26e37c6

    SHA512

    f228eccd5646068a81e79baeaf7e8bfa470b30d503bf0ca8cc746c009510ab609b5c091cadf08fab1e3581900cdb7834c775c61a95a29c2d73ccd0dcbd851bab

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

    Filesize

    944B

    MD5

    b4c535037f05e4495fc3257ba03ad028

    SHA1

    7bbbf71522535e69df8b0dca6fdf0ab48570c995

    SHA256

    e25b4a0a8459dee68574d85913e6a9b85486249bfc93b10791a269f7026df3a2

    SHA512

    3a7d0e94a6886ec8c30929a489b5d9a2fa89923ab8b8f61eb54e71c9b326c548c06a2a7f7694fd6da3bb2a4a2c01c31fe0b1975fb7f46e2986379f7e71444452

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pli1152z.uq4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Xworm

    Filesize

    212KB

    MD5

    79a261a7ed31322af647ac3779479773

    SHA1

    e392f7feeb3ae0e5eb74deebdb0a983a0bb22be5

    SHA256

    fdc1271b3f571e656af8be8b944641592f2cb27b422756921fbfc6eeef55710e

    SHA512

    137b082fc232a5112eabc9f9d5c66cc8186f4b5047f0328cc427311d3afd526c3b893896c29ea548bfea20485cf8c09a0299bc71dd0b85a10efd162549c33179

  • memory/4400-13-0x0000022AA3C20000-0x0000022AA3C42000-memory.dmp

    Filesize

    136KB

  • memory/4400-15-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4400-16-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4400-17-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4400-20-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4400-14-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4400-4-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4892-0-0x00007FFFAAE03000-0x00007FFFAAE05000-memory.dmp

    Filesize

    8KB

  • memory/4892-3-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4892-52-0x000000001B6F0000-0x000000001B7FA000-memory.dmp

    Filesize

    1.0MB

  • memory/4892-56-0x00007FFFAAE00000-0x00007FFFAB8C2000-memory.dmp

    Filesize

    10.8MB

  • memory/4892-2-0x00007FFFAAE03000-0x00007FFFAAE05000-memory.dmp

    Filesize

    8KB

  • memory/4892-1-0x0000000000260000-0x000000000029C000-memory.dmp

    Filesize

    240KB