General
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Target
test.txt
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Size
18B
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Sample
250223-pbd27ayjt3
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MD5
5b3f97d48c8751bd031b7ea53545bdb6
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SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
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SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
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SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
Static task
static1
Behavioral task
behavioral1
Sample
test.txt
Resource
win11-20250217-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1342497699253063680/qlD4-p82E0m0CYk-4UeEtFBdVr7fllzNwUutv0cgqjJpgqNGVGCV-rrZGCwsbkRxC77a
Extracted
xworm
cut-plenty.gl.at.ply.gg:18554
127.0.0.1:443
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Install_directory
%AppData%
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install_file
Microsoft Edge.exe
Targets
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Target
test.txt
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Size
18B
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MD5
5b3f97d48c8751bd031b7ea53545bdb6
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SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
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SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
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SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Umbral payload
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Detect Xworm Payload
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StormKitty payload
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Stormkitty family
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Umbral family
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Xworm family
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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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Drops startup file
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Executes dropped EXE
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Uses the VBS compiler for execution
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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1