General
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Target
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe.zip
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Size
72KB
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Sample
231201-spnekacb8y
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MD5
30c8e8e7cdb38914ae203563d4e199f0
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SHA1
31873e82c28a8eb96dd2388d9bb59e4ad3055046
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SHA256
a0ddb10979667a20187730c348cea1d556ec4d493e50cb765ce2a019d8ebde2c
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SHA512
aba87765ca06e3568944ee16af1c14419ce6d67ffbd7778f3e6a09c78dec03c3688d93677cb0a9b40505abea87493ee91de0f49cf93f98f19ea08825f6614499
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SSDEEP
1536:+SGNMyzQE6CfQSm6ubfGCa9r55dThisIye7rDucxpOLLbQ05m:+S8aCfC6oGH5ntisoua0PbY
Behavioral task
behavioral1
Sample
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
Resource
win10v2004-20231127-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\RyukReadMe.html
ryuk
Targets
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Target
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9.exe
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Size
76KB
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MD5
1fff77fb1958e7f730bb4de627a24d57
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SHA1
c3b071d324f095381bc604a46e1b8c5a89c68822
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SHA256
ec662c73279f4a3772e3e549b07bcd67803292981afae931df4b63d47f6ac2a9
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SHA512
53842ccf9a28f908f3e4ded42e5e925ce5c737c3b6458c6287f298cea948ecbac9ad18369f6b20665d6e0336e38b51d6aad43ec3bfbc155880b9361eef7acc61
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SSDEEP
1536:+ukv6BlkOCJSlq3//M/NqKTmPCQASm/dKRYHQiY0aB6:yvqlkOCJSQ3XM4P4SaKRYwF0aB
Score10/10-
Renames multiple (5189) 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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