Static task
static1
Behavioral task
behavioral1
Sample
2024-07-06_83cdf82e000e090148bfc87e3a57fab2_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-07-06_83cdf82e000e090148bfc87e3a57fab2_ryuk.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-06_83cdf82e000e090148bfc87e3a57fab2_ryuk
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Size
4.1MB
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MD5
83cdf82e000e090148bfc87e3a57fab2
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SHA1
64001f79f6a84312ce103bff0c8a2e568fc09300
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SHA256
f5a1587a0cfb0c9e4d975f19705e47e9f143bb9bf0ad4fedb5d871e62339c731
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SHA512
8235ba2a67cd333878d56683624dd5483226d4e5fae9affd234686e25fd1dabb95c11290a6a98a9f355aea5e35588ae37c8a0d2934a5453395ea08c86057d3c5
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SSDEEP
49152:ZEFbqzA/PvIGDFr9AtwA3PlpIgong0yTI+q47W1Ln9tJEUxDG0BYYrLA50IHLGfV:NAI5pAdVJn9tbnR1VgBV8
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-06_83cdf82e000e090148bfc87e3a57fab2_ryuk
Files
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2024-07-06_83cdf82e000e090148bfc87e3a57fab2_ryuk.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 3.6MB - Virtual size: 3.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 670KB - Virtual size: 669KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 74KB - Virtual size: 143KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 104KB - Virtual size: 104KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 204B
.rodata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.tls Size: 1024B - Virtual size: 585B
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
LZMADEC Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
malloc_h Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 431KB - Virtual size: 430KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 580KB - Virtual size: 584KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE