Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_a19f675da03522768956efdaa0c4be76_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_a19f675da03522768956efdaa0c4be76_ryuk.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_a19f675da03522768956efdaa0c4be76_ryuk
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Size
1.0MB
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MD5
a19f675da03522768956efdaa0c4be76
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SHA1
2a0a7ba69fbd119d8a7e80ecb4d5e9b07b7f88ae
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SHA256
1534c2218815ccabde24a7454ada2e2699f2cc3531b5f3c91c85f20fc745a8d8
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SHA512
3635e6176998b649cff9cf7c815aeae689fd859b04021f323bd54a10af2f547cd767c373a2b20c521c6099416fb8499d9ce7c6fd678326375c91515d749b8119
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SSDEEP
12288:lX/7g9a/Ig+KxilJVGfHPMmWqapxVaqsLkHbbpxIVPPXk1pShoGDQinZv:tU9OREtG/PJzKxVaHL4xIVPXmpC1Mmv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-15_a19f675da03522768956efdaa0c4be76_ryuk
Files
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2024-04-15_a19f675da03522768956efdaa0c4be76_ryuk.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 685KB - Virtual size: 685KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 215KB - Virtual size: 214KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 33KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 40B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.KrmpSec Size: 74KB - Virtual size: 74KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.gehcont Size: 512B - Virtual size: 92B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.voltbl Size: 512B - Virtual size: 72B
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 424B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ