General
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Target
ef8b996e4d7e84c179f8268f3d686195.exe
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Size
146KB
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Sample
240924-fr1rfstckn
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MD5
ef8b996e4d7e84c179f8268f3d686195
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SHA1
07057ff4fd122bca513bbce0cbaa1174d50caf01
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SHA256
d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
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SHA512
6c434febdbf2e57328a118d249d3a8ed736749671b605c9baabecbcafc4040ab10f0c0ce94f6f2551286fc213b4f88a6079271ff4971f524a36211b25f70b90b
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SSDEEP
3072:gqJogYkcSNm9V7DXW5I4KNGHsOqhNDvtdT:gq2kc4m9tDXW5fdqh
Behavioral task
behavioral1
Sample
ef8b996e4d7e84c179f8268f3d686195.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef8b996e4d7e84c179f8268f3d686195.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
ef8b996e4d7e84c179f8268f3d686195.exe
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Size
146KB
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MD5
ef8b996e4d7e84c179f8268f3d686195
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SHA1
07057ff4fd122bca513bbce0cbaa1174d50caf01
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SHA256
d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
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SHA512
6c434febdbf2e57328a118d249d3a8ed736749671b605c9baabecbcafc4040ab10f0c0ce94f6f2551286fc213b4f88a6079271ff4971f524a36211b25f70b90b
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SSDEEP
3072:gqJogYkcSNm9V7DXW5I4KNGHsOqhNDvtdT:gq2kc4m9tDXW5fdqh
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Renames multiple (347) 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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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