Overview

overview

10

Static

static

10

perms.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18-01-2025 19:29

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General

  • Target

    perms.exe

  • Size

    83KB

  • MD5

    4dd41e9e888d7c43e6c059e8fde0cfc0

  • SHA1

    b9b1685970a2342714f36b92c76e9eef725b0c45

  • SHA256

    7f0d106861eafe0f0f4dd241fc574f7b329543a854fd876d5fa92f136829e1f6

  • SHA512

    74433bc06be96f399dcc65d4a8be48cd1934199cd7a03d4d49a61833a462c0c5113312033bf7776404f5027aa9d901093f29ef7249380f46c73f4d5d5e84a897

  • SSDEEP

    1536:q/S3A8Y2yo0xwOZ+++3YXbcG/eQ0726v3Ok+WJCo1V8G0:q/uBGo34bjmX7n3OPWMo12

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

trip-thesaurus.gl.at.ply.gg:16715

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • 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.

    execution
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\perms.exe
    "C:\Users\Admin\AppData\Local\Temp\perms.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1672
    • 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\perms.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1096
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'perms.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3360
    • 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\SecurityHealthSystray'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4884
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecurityHealthSystray'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4804
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\AppData\Roaming\SecurityHealthSystray"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4520
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4512
  • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4964
  • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    654B

    MD5

    2cbbb74b7da1f720b48ed31085cbd5b8

    SHA1

    79caa9a3ea8abe1b9c4326c3633da64a5f724964

    SHA256

    e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

    SHA512

    ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

    Download Submit

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

    2KB

    MD5

    627073ee3ca9676911bee35548eff2b8

    SHA1

    4c4b68c65e2cab9864b51167d710aa29ebdcff2e

    SHA256

    85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

    SHA512

    3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

    Download Submit

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

    944B

    MD5

    aa4f31835d07347297d35862c9045f4a

    SHA1

    83e728008935d30f98e5480fba4fbccf10cefb05

    SHA256

    99c83bc5c531e49d4240700142f3425aba74e18ebcc23556be32238ffde9cce0

    SHA512

    ec3a4bee8335007b8753ae8ac42287f2b3bcbb258f7fc3fb15c9f8d3e611cb9bf6ae2d3034953286a34f753e9ec33f7495e064bab0e8c7fcedd75d6e5eb66629

    Download Submit

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

    944B

    MD5

    177a0818b364674fefa300e9dfa94b2c

    SHA1

    018bcd8f06e6f540db1382f63c57a9a00c55338e

    SHA256

    90ee3b5e4bf40dbd8e2edfb4ebfa698d2a1c76ee89de40335c86eaad643f8233

    SHA512

    81c8a437199f2d58ac6846cd088ea9e56b1f2cfd532ad38155b51e895c2bde8a7ee8765c5b4e34eccded2acb6a91c5f580f74d3bbd4890c7a493385f9ee3a71d

    Download Submit

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

    944B

    MD5

    050567a067ffea4eb40fe2eefebdc1ee

    SHA1

    6e1fb2c7a7976e0724c532449e97722787a00fec

    SHA256

    3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e

    SHA512

    341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lbz234bs.z0q.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecurityHealthSystray.lnk
    Filesize

    819B

    MD5

    4711d5d939e1604a308aaef1ee5795e4

    SHA1

    930a11565429ec29788882ca176fa3227a852164

    SHA256

    ca6a024c5db485f75a6eb2069ffc91813cb4b917b25c6d1ff34a807b33ec464a

    SHA512

    a24272e93078ecf752069429bea4325706f174a7fa7ab886b744f4a5294003b4c863d87fb6076c90164344e192fc96c85bd36f4dd6fc57751ca5c284f779d3e8

    Download Submit

  • C:\Users\Admin\AppData\Roaming\SecurityHealthSystray
    Filesize

    83KB

    MD5

    4dd41e9e888d7c43e6c059e8fde0cfc0

    SHA1

    b9b1685970a2342714f36b92c76e9eef725b0c45

    SHA256

    7f0d106861eafe0f0f4dd241fc574f7b329543a854fd876d5fa92f136829e1f6

    SHA512

    74433bc06be96f399dcc65d4a8be48cd1934199cd7a03d4d49a61833a462c0c5113312033bf7776404f5027aa9d901093f29ef7249380f46c73f4d5d5e84a897

    Download Submit

  • memory/1096-14-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1096-3-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1096-19-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1096-15-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1096-13-0x0000024457E90000-0x0000024457EB2000-memory.dmp

    Filesize

    136KB

    Download

  • memory/1096-4-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1096-16-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1672-0-0x00007FFA50573000-0x00007FFA50575000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1672-30-0x00007FFA50573000-0x00007FFA50575000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1672-55-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1672-1-0x0000000000250000-0x000000000026A000-memory.dmp

    Filesize

    104KB

    Download

  • memory/1672-71-0x000000001AEC0000-0x000000001AECC000-memory.dmp

    Filesize

    48KB

    Download

  • memory/1672-2-0x00007FFA50570000-0x00007FFA51032000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4512-57-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-66-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-65-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-64-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-68-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-67-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-63-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-62-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-58-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4512-56-0x00000281EFC90000-0x00000281EFC91000-memory.dmp

    Filesize

    4KB

    Download