General
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Target
XWorm V5.2.rar
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Size
44.4MB
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Sample
240905-ylx3gsybkp
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MD5
b115aa5c5af0ddab4716050ee9c8d4dd
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SHA1
20acaa72078e1cadf68c93b0625fac451d611bdb
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SHA256
84d6e79b5ffbb177430dd3848a4a1569dbd1d2748357ba5d664d763c4d6af3cf
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SHA512
6d710efc7199eefac0fc47b4400bb3c7fbc7836aa2fb5857e2ad93d50f77926a58c37b9ed3a25aec98cfc4f2bf35e6c623c25aa86acd528a8295db1fc1f317ee
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SSDEEP
786432:FIYpoVAaEEMtnoP08tWbbUy3S1AMkAblO2v9HYvo2OkQDZ9VZP6lMowO8zohq:6hVAaEdA8bK1ADoX9qo2gDJZPQN8z5
Static task
static1
Malware Config
Extracted
xworm
18.ip.gl.ply.gg:13256
18.ip.gl.ply.gg:6782
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Install_directory
%AppData%
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install_file
XClient.exe
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pastebin_url
https://pastebin.com/raw/EkPd4scK
Targets
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Target
XWorm V5.2.rar
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Size
44.4MB
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MD5
b115aa5c5af0ddab4716050ee9c8d4dd
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SHA1
20acaa72078e1cadf68c93b0625fac451d611bdb
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SHA256
84d6e79b5ffbb177430dd3848a4a1569dbd1d2748357ba5d664d763c4d6af3cf
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SHA512
6d710efc7199eefac0fc47b4400bb3c7fbc7836aa2fb5857e2ad93d50f77926a58c37b9ed3a25aec98cfc4f2bf35e6c623c25aa86acd528a8295db1fc1f317ee
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SSDEEP
786432:FIYpoVAaEEMtnoP08tWbbUy3S1AMkAblO2v9HYvo2OkQDZ9VZP6lMowO8zohq:6hVAaEdA8bK1ADoX9qo2gDJZPQN8z5
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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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