General
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Target
WizWorm v4.zip
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Size
37.3MB
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Sample
240902-xpn4bavglk
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MD5
ec4c4b3ce3366a6059c77c640108cd3f
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SHA1
8af810badf7302e582d0d9d18aa1fe8c4cb8288c
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SHA256
20656fdafd57e6c5a39f48939cbc5c4073d3ea8662a97ef13d26b1247302e1ae
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SHA512
649f7306e361b9c26f39fc150767853231c0245b54969a5c98f31260b8967f64bfe682cd69a648b2df20ccfc1d5d4b13508ab8ecc4c7c2047af2d8feefa8b990
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SSDEEP
786432:GJvWERE7Qu8rBDnyuEuYEyXbM462vawjvSjFi5bQy56kuHVcJT7mIwnxN07siP:G5nE7b8rBD7Eub+awjeFi5bncVkT7mIL
Behavioral task
behavioral1
Sample
Setup.bat
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
Setup.bat
Resource
win10v2004-20240802-en
Malware Config
Extracted
xworm
uk1.localto.net:4159
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Install_directory
%Temp%
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install_file
schtask.exe
Targets
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Target
Setup.bat
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Size
18.2MB
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MD5
5250a07fd2f90b5cee4b78aee015305b
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SHA1
f6880b911ef1df3c709ca47b19bc197014c86959
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SHA256
2edb7d64cdcf9445468c24d159cb4ec2316e69b31b82795a0520431d4c395e53
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SHA512
7fba9040b48d4bd644fd6aebbf6992afae192c8042b3a50b0fc78f194307fb4318191b75878408aeea6b5e0f8f83141ee49cc410973110093d8188f7852bef48
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SSDEEP
49152:9ufwwApQLWci6sSzR8hDsjxNu7bUDi1HssPlKrIixn9C5oLnybx7uti5BjgCP/XS:O
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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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Blocklisted process makes network request
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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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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
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1