Static task
static1
Behavioral task
behavioral1
Sample
2024-02-04_7862302811726323f1da18a5ae70f4dd_cobalt-strike_ryuk.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_7862302811726323f1da18a5ae70f4dd_cobalt-strike_ryuk.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_7862302811726323f1da18a5ae70f4dd_cobalt-strike_ryuk
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Size
448KB
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MD5
7862302811726323f1da18a5ae70f4dd
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SHA1
1819573a896b23ceb34826751f7eeccb4445454e
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SHA256
259dfa756bebdcef37866c732ec0267279494c68249ad2ffd3586249229f9ead
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SHA512
44d7e4ee416771f91184297aa9799a74e611fba70776f3586d569cd6e906bc437442fb56c03599e6df161fb3539c52a5c95a8d062b47e44e5f3bf81214183766
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SSDEEP
6144:EXSKvNjGCJaGjqObY5vTxF7d9iC/93ueXtLsIe8ou3m81i0ohuZHJXP4g:EXZJaAbbYRTxF7d9BVLe8ou3QhIH9Z
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-04_7862302811726323f1da18a5ae70f4dd_cobalt-strike_ryuk
Files
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2024-02-04_7862302811726323f1da18a5ae70f4dd_cobalt-strike_ryuk.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 404KB - Virtual size: 404KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 109KB - Virtual size: 108KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 56KB - Virtual size: 89KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 18KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 140B
.tls Size: 512B - Virtual size: 297B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 172B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 161.3MB - Virtual size: 161.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ