General
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Target
https://github.com/BalletsPistol/d9fb74g8db7d8b7db48df7g8db77f4drb7er8db7fd84d7b1gdb47d8b7brt18bcy87gdfb8hfg74h87fh8bf18h7
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Sample
250131-rvzjcayjay
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/BalletsPistol/d9fb74g8db7d8b7db48df7g8db77f4drb7er8db7fd84d7b1gdb47d8b7brt18bcy87gdfb8hfg74h87fh8bf18h7
Resource
win10ltsc2021-20250128-en
Malware Config
Extracted
C:\utZMwPnzM.README.txt
Targets
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Target
https://github.com/BalletsPistol/d9fb74g8db7d8b7db48df7g8db77f4drb7er8db7fd84d7b1gdb47d8b7brt18bcy87gdfb8hfg74h87fh8bf18h7
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Lockbit family
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Rule to detect Lockbit 3.0 ransomware Windows payload
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Renames multiple (504) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Drops desktop.ini file(s)
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1