Static task
static1
Behavioral task
behavioral1
Sample
2024-07-26_9b2cfaefd9a8f8584878c862a73424f1_cobalt-strike_ryuk.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-26_9b2cfaefd9a8f8584878c862a73424f1_cobalt-strike_ryuk.exe
Resource
win10v2004-20240709-en
General
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Target
2024-07-26_9b2cfaefd9a8f8584878c862a73424f1_cobalt-strike_ryuk
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Size
2.0MB
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MD5
9b2cfaefd9a8f8584878c862a73424f1
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SHA1
522ce08d7b1d38cddae079ef6145f97173d0777f
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SHA256
8a634e5270c08a1a3a6afedd155a999333ec4a39641eb7de51f143d5ffdf239b
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SHA512
b38e78c51b57b5c070fe5eb3dfdb0ecc0e08d579b31b87b6b9de2855b60167e559638a228fccee0dc12bb1bc5f99d5c374f5a3353f4042333cb2b208c7957e11
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SSDEEP
49152:p5kUKfuPS3ELNjV7FZxEfOflgwf0/XpFt:Km9pZxjgP
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-26_9b2cfaefd9a8f8584878c862a73424f1_cobalt-strike_ryuk
Files
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2024-07-26_9b2cfaefd9a8f8584878c862a73424f1_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: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 276KB - Virtual size: 275KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 61KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 64KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 24B
.tls Size: 512B - Virtual size: 305B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
CPADinfo Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 148B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 427KB - Virtual size: 427KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ