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General
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Target
https://mega.nz/folder/o7onBAqb#lPnM6du1_ZsHQgf5SIaC4Q
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Sample
240808-hlwxes1bjl
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://mega.nz/folder/o7onBAqb#lPnM6du1_ZsHQgf5SIaC4Q
Resource
win10v2004-20240802-en
Malware Config
Extracted
xworm
3.1
society-painted.at.ply.gg:17251
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Install_directory
%Public%
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install_file
USB.exe
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telegram
https://api.telegram.org/bot5817418329:AAGYtFww9eAGl3ZTuqrCmSNxu_TJJiAWkzA/sendMessage?chat_id=1860651440
Extracted
xworm
5.0
127.0.0.1:7000
oRS7BxRwxp3BS0Q4
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install_file
USB.exe
Extracted
xworm
127.0.0.1:7000
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install_file
USB.exe
Targets
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Target
https://mega.nz/folder/o7onBAqb#lPnM6du1_ZsHQgf5SIaC4Q
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload
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AgentTesla payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Uses the VBS compiler for execution
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Adds Run key to start application
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Scripting
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Scripting
1