General
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Target
Api-AutoUpdater.exe
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Size
84KB
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Sample
241116-wnrblsvmel
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MD5
e7d61465db5a82ededa06183a6c3f665
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SHA1
0267f3612ef089422c817864858ee705b40ad0d4
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SHA256
48991778a4ecb77556b3c2110c63c5bc242c79a20ec6205fcff4198118dcf78f
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SHA512
6ac7e0892dd1a2cfca163957cfa54b10615f53ff96abc029f7ff7627d2a4dff530fba6078d0a9b4e31b6f9c9f89ef158797e97b2d7d60210dc79b6e7a8225375
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SSDEEP
1536:aoJMQoKDp9/NSDM39HKboubUfGdDndBgJdIcMH6rVV/dKFObUPwckjdiz:aoKCD/cA3dMbUfkMdIcM6r/doObWwcZz
Malware Config
Extracted
xworm
where-reverse.gl.at.ply.gg:18649
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Install_directory
%ProgramData%
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install_file
Helper.exe
Targets
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Target
Api-AutoUpdater.exe
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Size
84KB
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MD5
e7d61465db5a82ededa06183a6c3f665
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SHA1
0267f3612ef089422c817864858ee705b40ad0d4
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SHA256
48991778a4ecb77556b3c2110c63c5bc242c79a20ec6205fcff4198118dcf78f
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SHA512
6ac7e0892dd1a2cfca163957cfa54b10615f53ff96abc029f7ff7627d2a4dff530fba6078d0a9b4e31b6f9c9f89ef158797e97b2d7d60210dc79b6e7a8225375
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SSDEEP
1536:aoJMQoKDp9/NSDM39HKboubUfGdDndBgJdIcMH6rVV/dKFObUPwckjdiz:aoKCD/cA3dMbUfkMdIcM6r/doObWwcZz
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Detect Xworm Payload
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Xworm family
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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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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
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
1