Static task
static1
Behavioral task
behavioral1
Sample
2024-06-05_0a93c9f3983e554e76f81472f9033c00_ryuk.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-05_0a93c9f3983e554e76f81472f9033c00_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_0a93c9f3983e554e76f81472f9033c00_ryuk
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Size
2.1MB
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MD5
0a93c9f3983e554e76f81472f9033c00
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SHA1
07d7df19612b2aa875bd43307802304074689997
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SHA256
888baaafa1c37017f0a0cd0fc261a60c8c2b06e9b19a7dad4daa2a50a5be9bf6
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SHA512
5d0823959f366d49b7ce6c7e4290281cc95b75842dac812e418bafc4f80117704e2e336ebba6c1aac05a9f195015c1838d146cd68cf541323833f10c87c7d681
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SSDEEP
49152:IAK+fs2HsrLzw7UrgCE0Hme0Dc2CuhtZ:IAK+fvHwzaCDanQ
Malware Config
Signatures
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Detects executables packed with Enigma 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_Enigma -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-05_0a93c9f3983e554e76f81472f9033c00_ryuk
Files
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2024-06-05_0a93c9f3983e554e76f81472f9033c00_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: 45KB - Virtual size: 44KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 160B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.enigma1 Size: 284KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.enigma2 Size: 620KB - Virtual size: 620KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE