General
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Target
ef5a47cb377760f4f1161fcaf1f6cd6f_JaffaCakes118
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Size
796KB
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Sample
240414-ydnh3sef2v
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MD5
ef5a47cb377760f4f1161fcaf1f6cd6f
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SHA1
4676cc9edb7f8a17f3929afc35df66cfd7ec5856
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SHA256
7cc814edd8c3dde2c4544e3834900723c97c8b5c78e9ef02c8836c5b63a8b2cc
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SHA512
84dadf4d80b41d3c1e2af276af3ec13762c4073c7ed2a41e4b7240c2334e064d3b715b61e06a13dc76ed738f13d775769783ad22061050bc26d08c5acf646daf
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SSDEEP
12288:3VmPcyDQDmkLhCBzpRrTZM6YaNPrLAtLUnhXhVWZbPWB/Su1sclKn:i0hExpRfZM6YurE+X+ZpwsclKn
Static task
static1
Behavioral task
behavioral1
Sample
ef5a47cb377760f4f1161fcaf1f6cd6f_JaffaCakes118.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
ef5a47cb377760f4f1161fcaf1f6cd6f_JaffaCakes118.exe
Resource
win10v2004-20240412-en
Malware Config
Targets
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Target
ef5a47cb377760f4f1161fcaf1f6cd6f_JaffaCakes118
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Size
796KB
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MD5
ef5a47cb377760f4f1161fcaf1f6cd6f
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SHA1
4676cc9edb7f8a17f3929afc35df66cfd7ec5856
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SHA256
7cc814edd8c3dde2c4544e3834900723c97c8b5c78e9ef02c8836c5b63a8b2cc
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SHA512
84dadf4d80b41d3c1e2af276af3ec13762c4073c7ed2a41e4b7240c2334e064d3b715b61e06a13dc76ed738f13d775769783ad22061050bc26d08c5acf646daf
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SSDEEP
12288:3VmPcyDQDmkLhCBzpRrTZM6YaNPrLAtLUnhXhVWZbPWB/Su1sclKn:i0hExpRfZM6YurE+X+ZpwsclKn
Score10/10-
Modifies WinLogon for persistence
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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