Resubmissions
17-04-2024 10:53
240417-my9fhaeb8s 10General
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Target
LockBit-main.zip
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Size
292KB
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Sample
240417-my9fhaeb8s
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MD5
68309717a780fd8b4d1a1680874d3e12
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SHA1
4cfe4f5bbd98fa7e966184e647910d675cdbda43
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SHA256
707bb3b958fbf4728d8a39b043e8df083e0fce1178dac60c0d984604ec23c881
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SHA512
e16de0338b1e1487803d37da66d16bc2f2644138615cbce648ae355f088912a04d1ce128a44797ff8c4dfc53c998058432052746c98c687670e4100194013149
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SSDEEP
6144:n42LBVCsV+PkMeW9zTiY/NaQmHst5ySPzmcfIMwmafvR:n4EzwkMeWgY1NmyESPB1/aXR
Behavioral task
behavioral1
Sample
LockBit-main.zip
Resource
win10v2004-20240412-en
Malware Config
Extracted
blackmatter
25.239
Targets
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Target
LockBit-main.zip
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Size
292KB
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MD5
68309717a780fd8b4d1a1680874d3e12
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SHA1
4cfe4f5bbd98fa7e966184e647910d675cdbda43
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SHA256
707bb3b958fbf4728d8a39b043e8df083e0fce1178dac60c0d984604ec23c881
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SHA512
e16de0338b1e1487803d37da66d16bc2f2644138615cbce648ae355f088912a04d1ce128a44797ff8c4dfc53c998058432052746c98c687670e4100194013149
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SSDEEP
6144:n42LBVCsV+PkMeW9zTiY/NaQmHst5ySPzmcfIMwmafvR:n4EzwkMeWgY1NmyESPB1/aXR
Score10/10-
Rule to detect Lockbit 3.0 ransomware Windows payload
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Renames multiple (849) 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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Executes dropped EXE
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Drops desktop.ini file(s)
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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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