General
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Target
2024-12-18_69045be037a5cf8195966f57bb30e5c5_darkside_neshta
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Size
188KB
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Sample
241218-rqendasrhj
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MD5
69045be037a5cf8195966f57bb30e5c5
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SHA1
d4f157136a1b8f43c474b2eaf6cbe86ead68ff62
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SHA256
f6c31b093d8940526584290954905d42e87bd16dd88fb64a876216a4e7a3805a
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SHA512
dd02da0a0f0aa40324c0717848899deb8d83d48edcaf3ab021eea431764d6efeb52b7943fe04e5987dd92b7f4d8c960a9586906ad0785e78aa990f787e66b398
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SSDEEP
3072:sr85CDcSNm9V7DzY07RiY/JhsUogtP9bW3KVu5RTfqJogYg:k9Dc4m9tDzY079sUocPCIm1q2g
Behavioral task
behavioral1
Sample
2024-12-18_69045be037a5cf8195966f57bb30e5c5_darkside_neshta.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-12-18_69045be037a5cf8195966f57bb30e5c5_darkside_neshta.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\Qoi6ifOVU.README.txt
Extracted
C:\Qoi6ifOVU.README.txt
Targets
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Target
2024-12-18_69045be037a5cf8195966f57bb30e5c5_darkside_neshta
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Size
188KB
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MD5
69045be037a5cf8195966f57bb30e5c5
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SHA1
d4f157136a1b8f43c474b2eaf6cbe86ead68ff62
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SHA256
f6c31b093d8940526584290954905d42e87bd16dd88fb64a876216a4e7a3805a
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SHA512
dd02da0a0f0aa40324c0717848899deb8d83d48edcaf3ab021eea431764d6efeb52b7943fe04e5987dd92b7f4d8c960a9586906ad0785e78aa990f787e66b398
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SSDEEP
3072:sr85CDcSNm9V7DzY07RiY/JhsUogtP9bW3KVu5RTfqJogYg:k9Dc4m9tDzY079sUocPCIm1q2g
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Detect Neshta payload
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Lockbit family
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Rule to detect Lockbit 3.0 ransomware Windows payload
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Renames multiple (365) 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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Loads dropped DLL
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Modifies system executable filetype association
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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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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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