General
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Target
20240924ef7eb0e31e5ef78258750ce2c9d2428cdarkside
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Size
146KB
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Sample
240924-jarzrsyhqh
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MD5
ef7eb0e31e5ef78258750ce2c9d2428c
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SHA1
e16d0b8796f9c745a195c0dedad9945b7978c553
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SHA256
3cbf36af1e82cb4ee52facdefedc1eb5e5823242721c81f12f14f8657773c9f9
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SHA512
8cd326170f92762cdecc69f6b27a8f6220c4cb547750dbd2173afffba36866501372534b37bfbf057faa039cd3877a627041c53c30d9b9d2f2d054b036629713
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SSDEEP
3072:I6glyuxE4GsUPnliByocWepXjZ3Csy+hs4Sf33Q:I6gDBGpvEByocWeNhvSfQ
Behavioral task
behavioral1
Sample
20240924ef7eb0e31e5ef78258750ce2c9d2428cdarkside.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
20240924ef7eb0e31e5ef78258750ce2c9d2428cdarkside.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\sOZaWmhTR.README.txt
lockbit
https://getsession.org/download
Extracted
C:\sOZaWmhTR.README.txt
lockbit
https://getsession.org/download
Targets
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Target
20240924ef7eb0e31e5ef78258750ce2c9d2428cdarkside
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Size
146KB
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MD5
ef7eb0e31e5ef78258750ce2c9d2428c
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SHA1
e16d0b8796f9c745a195c0dedad9945b7978c553
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SHA256
3cbf36af1e82cb4ee52facdefedc1eb5e5823242721c81f12f14f8657773c9f9
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SHA512
8cd326170f92762cdecc69f6b27a8f6220c4cb547750dbd2173afffba36866501372534b37bfbf057faa039cd3877a627041c53c30d9b9d2f2d054b036629713
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SSDEEP
3072:I6glyuxE4GsUPnliByocWepXjZ3Csy+hs4Sf33Q:I6gDBGpvEByocWeNhvSfQ
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Renames multiple (352) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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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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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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