Static task
static1
Behavioral task
behavioral1
Sample
2024-05-05_4a3e1d7555ed801d97c8b4b35a829367_ryuk.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-05_4a3e1d7555ed801d97c8b4b35a829367_ryuk.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-05_4a3e1d7555ed801d97c8b4b35a829367_ryuk
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Size
8.8MB
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MD5
4a3e1d7555ed801d97c8b4b35a829367
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SHA1
43692361850d6e8b9473013279a7bccad54b243b
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SHA256
0eb171e656472b6638362c216100bdccba0df6fd4005b5b34ac67ee29f90eddd
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SHA512
577d0f4aa5adf07affdc0fd000eec7400d163979ba7bbe74e039ff01cbd253c7809d91ec0fcdc5dbe5eff0bade9840ed5cd901e7a3d4834d795cf4e26fa572d2
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SSDEEP
98304:TpxUUIGYlFlehRC4tNuTBp8BzB+Fe5xKs1uode5xKs1uoKpxUUIGYlFlehRC4tNx:Tpxs3TehREvanSnKpxs3TehREvo
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-05_4a3e1d7555ed801d97c8b4b35a829367_ryuk
Files
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2024-05-05_4a3e1d7555ed801d97c8b4b35a829367_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: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 627KB - Virtual size: 626KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 45KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 98KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 136B
.tls Size: 512B - Virtual size: 313B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.voltbl Size: 512B - Virtual size: 70B
CPADinfo Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 489KB - Virtual size: 488KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ