General
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Target
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3
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Size
396KB
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Sample
220220-jsb19sace2
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MD5
79e52b0a6a08e5213f6c48fd70c037f4
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SHA1
81150445f316941f08180e99d379bab5b47ffecf
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SHA256
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3
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SHA512
c2570e299d7809a3b1b5a1f9e7aa85fcad40ef781ccd2ed2ecb10a1381753cf98cbc6ae025109a6da12561349f07a8b5327d2f6808581eb40dbdd03474019533
Static task
static1
Behavioral task
behavioral1
Sample
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
C:\RyukReadMe.txt
ryuk
14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk
Targets
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Target
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3
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Size
396KB
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MD5
79e52b0a6a08e5213f6c48fd70c037f4
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SHA1
81150445f316941f08180e99d379bab5b47ffecf
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SHA256
4517460c769903a54b14a2673a89bbb8d857be18837d0015733f2445ba17b2f3
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SHA512
c2570e299d7809a3b1b5a1f9e7aa85fcad40ef781ccd2ed2ecb10a1381753cf98cbc6ae025109a6da12561349f07a8b5327d2f6808581eb40dbdd03474019533
Score10/10-
Executes dropped EXE
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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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Loads dropped DLL
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Adds Run key to start application
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