Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
27-01-2024 23:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe
Resource
win7-20231215-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe
-
Size
796KB
-
MD5
f88efafa2a031ef0fc39e8a0c3635a2e
-
SHA1
8e1fa51deecc0f9465d65715e286420d3ce88401
-
SHA256
5622250df6633625db61a3fd6c28fb0af0905a52293ed3ada98c7e556dacb21a
-
SHA512
cf84f0457973aefb803b44e55b78b8def818912c2cd3c528da41be8e31750f4d3175ff741f38bf74c91c8493f835d88bdea4a207db0a87e27a6d0f5813dd4879
-
SSDEEP
24576:LANw243oVqIi2lObXobHAEW9INFJY0au:Lew2Bw7x03jY0a
Score
5/10
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\alg.exe 2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 2528 2024-01-27_f88efafa2a031ef0fc39e8a0c3635a2e_cobalt-strike_ryuk.exe