Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17-11-2024 06:49

General

  • Target

    Api-AutoUpdaterV2.exe

  • Size

    87KB

  • MD5

    9f9e3e562c3ace91fd36c7d9b49c56a7

  • SHA1

    32317350629c0591b49726ad71ab49e12b208918

  • SHA256

    c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

  • SHA512

    8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

  • SSDEEP

    1536:CLVnqRcrCwNlhr/CbCRSCpv1ZLFNxdlub5mUnaC9UWGIiEdrRFbw0I5oKV+Uq4Q3:CslcCbCRBnFNblub5mUavWGAfFbwVVTQ

Malware Config

Extracted

Family

xworm

C2

job-moore.gl.at.ply.gg:49404

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Helper.exe

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 7 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 6 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).

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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\Api-AutoUpdaterV2.exe
    "C:\Users\Admin\AppData\Local\Temp\Api-AutoUpdaterV2.exe"
    1⤵
    • Checks computer location settings
    • 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:5780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5220
    • 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\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1116
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "Api-AutoUpdaterV2" /tr "C:\ProgramData\Api-AutoUpdaterV2.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2648
    • 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\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:3476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:3676
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsDefender'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1512
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsDefender'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:4596
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WindowsDefender" /tr "C:\ProgramData\WindowsDefender"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:820
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5232
  • C:\ProgramData\WindowsDefender
    "C:\ProgramData\WindowsDefender"
    1⤵
    • Executes dropped EXE
    PID:2636
  • C:\ProgramData\Api-AutoUpdaterV2.exe
    "C:\ProgramData\Api-AutoUpdaterV2.exe"
    1⤵
    • Executes dropped EXE
    PID:1012
  • C:\ProgramData\WindowsDefender
    "C:\ProgramData\WindowsDefender"
    1⤵
    • Executes dropped EXE
    PID:2612
  • C:\ProgramData\Api-AutoUpdaterV2.exe
    "C:\ProgramData\Api-AutoUpdaterV2.exe"
    1⤵
    • Executes dropped EXE
    PID:4608
  • C:\ProgramData\WindowsDefender
    "C:\ProgramData\WindowsDefender"
    1⤵
    • Executes dropped EXE
    PID:5904
  • C:\ProgramData\Api-AutoUpdaterV2.exe
    "C:\ProgramData\Api-AutoUpdaterV2.exe"
    1⤵
    • Executes dropped EXE
    PID:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\WindowsDefender

    Filesize

    87KB

    MD5

    9f9e3e562c3ace91fd36c7d9b49c56a7

    SHA1

    32317350629c0591b49726ad71ab49e12b208918

    SHA256

    c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

    SHA512

    8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

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

    Filesize

    1KB

    MD5

    2b4889ecb49120375fdf2bccb3c0966e

    SHA1

    fc1ee2f1161887e3f8b0cdd2453ae441739b993a

    SHA256

    7bf24ff0f6791ef902937b3caba0de16814a2c898dfb103d922c48582b602379

    SHA512

    8d737276620add4738d3cb484bca8e1efe23247955d37ebad199d2428f2f494e10dbee98721a77c7fa9d55f662c230acb206894538da9b8a9d0314166b5549a3

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

    Filesize

    3KB

    MD5

    3eb3833f769dd890afc295b977eab4b4

    SHA1

    e857649b037939602c72ad003e5d3698695f436f

    SHA256

    c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

    SHA512

    c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

    Filesize

    1KB

    MD5

    9393820498c8408bcd671ccb353aed6b

    SHA1

    d72eefc7add3461bb4c75d180e3c1700cebcbf83

    SHA256

    76ccefd2ca64b4cd743da6ea0a3fb9bd37b713ae320159c238e030cb9747f392

    SHA512

    4ac487d1d87df7501f7c9b98872f8d69a5617c135816192b98de958228f2f6c92b711c8c7fc9d522ab99496938f80ae337418e9bdfafc8b7bbc04a666197a17e

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

    Filesize

    1KB

    MD5

    b5bf6b0261deb53c0e3d422e3f83a664

    SHA1

    60cd83ab6dd15abaa9abf34d9ab54e42c8eefa16

    SHA256

    a431a9e84c64c6ad29339df6a714cb697081dc1c6c5557ada967d4caaeed0c1c

    SHA512

    27dfba0d2d7ebce4e6eebdeefa81b2518c5222efb9d37b4c323023e5117eed30ad6aeba8e062bde96d17d53b01bb9a59313229aeaf4863c8b30d9bbb09d46bff

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

    Filesize

    1KB

    MD5

    58e72c05aa9433ff436f4dd45ed0f15a

    SHA1

    a8144086a8653788cd06497034a5ed3e39833cc9

    SHA256

    c2ed1fde9a24caa2099c1c250891b2674db4b9a275f65db49ec3909f752abfef

    SHA512

    65b7bf0f95af5c7c283450df1deeb9374371334cdfbad119d5aac6cc290966b4c3fa755d4644512515331c09589c8df76817f3d264e591a9ec3ec36f94768a5d

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

    Filesize

    1KB

    MD5

    ee0572db9666d44f868235b3bf0b25f0

    SHA1

    2e79508b72682ff4c49c178052294c6f1f8c86e2

    SHA256

    53ab0a29716b6b17d4b5c054378e3e0a64d0288b8c4c57fdb910aced62c2ca02

    SHA512

    69d23a3e059a05b17dcb5f9d4e0245eb0667aa4015142b50b03a9ad016de63d6937b2194efd430d8312a61d76eb3c39b5a3e394c3b34353bdb18c06e9da4859f

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

    Filesize

    1KB

    MD5

    4b9d65631ec37ba2570048dc421d8cbc

    SHA1

    c4880e2786543e45c339fad7d09ff7c986b759b1

    SHA256

    0c8e02d405d9392bd67f428d0412acedb879d54bf6a9e6715ff4c4ba90865ec8

    SHA512

    525c5d9aeef38b91cd567339588c234573e9fb94bcf5bbd7a2b083478c2325fc506d8001d97c1b9abbe493c041b7424080adc9f4ed6b447bffdb8ee14aef0a81

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

    Filesize

    1KB

    MD5

    75c5c83f6de708dbae8a79a2436bb531

    SHA1

    c68f0a314b17ad8b5e8a5db8b86badcd595fc269

    SHA256

    ed9b224a03a64c5a4182ba3a734301ddd31cb3f70a32155a2210f87425d4e258

    SHA512

    d575ea215221197be84db1633ac8bc451a8f2de6b183040ddc4abe5799c54b0f323c7e19f2cae4adb8f14ac6ee50b91a1edc011bdf2f82dc49c808949552cf1b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_asnf3ldg.plf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    688B

    MD5

    19ca6b5f045a08e61448cbfdf0d4b143

    SHA1

    2feb9e0fc9358fb2dfc759fe1c4a49174afa9ce3

    SHA256

    778038afa3f402ef3bd03fb899e45144f3953399e5e129d14030fe02725ba6b3

    SHA512

    bcf1efa50ef9139255ff5336a8985f584d1f35f0f4e5ff97c190af5d7e53c0f0e83e80baacca9dd5d5ccb4df43eb148f30d65d0464fa27bb70ea23a59f55317b

  • memory/5220-8-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-21-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-18-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-16-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-15-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-10-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5220-9-0x0000028079BB0000-0x0000028079BD2000-memory.dmp

    Filesize

    136KB

  • memory/5232-67-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-64-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-58-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-70-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-69-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-68-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-60-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-66-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-65-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5232-59-0x00000181E3990000-0x00000181E3991000-memory.dmp

    Filesize

    4KB

  • memory/5780-0-0x00007FFE56693000-0x00007FFE56695000-memory.dmp

    Filesize

    8KB

  • memory/5780-47-0x000000001BE50000-0x000000001BE66000-memory.dmp

    Filesize

    88KB

  • memory/5780-22-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5780-17-0x00007FFE56693000-0x00007FFE56695000-memory.dmp

    Filesize

    8KB

  • memory/5780-2-0x00007FFE56690000-0x00007FFE57152000-memory.dmp

    Filesize

    10.8MB

  • memory/5780-115-0x000000001B940000-0x000000001B94C000-memory.dmp

    Filesize

    48KB

  • memory/5780-1-0x0000000000220000-0x000000000023C000-memory.dmp

    Filesize

    112KB