Behavioral task
behavioral1
Sample
2024-06-05_0f450c9c0a9f327a55667d724b13f3fa_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-05_0f450c9c0a9f327a55667d724b13f3fa_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_0f450c9c0a9f327a55667d724b13f3fa_ryuk
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Size
5.0MB
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MD5
0f450c9c0a9f327a55667d724b13f3fa
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SHA1
ab4d10b1006bc959fe03cec2d7a1b60dbd7372d4
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SHA256
1c52ff49f0c942500fa7570625f205ccd3b5a43dee1bbb2ad9e5bfb339c05c70
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SHA512
bae4e61987122a8ed04e1b2e30606c117810a477fdba3b2803ca26167ec15b9b3961e5024fced72cba0174847b1e9f999ffcdd44b4bf52dd5bc521c4340d0af4
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SSDEEP
98304:XjMpCvFpDYeMnw+vdIWXe+q2WWmQNfTBBGzQuKLQ59PzBALlxeftMSaMaoti:XjvvfD/Mnhd9e+q2WWmQNLBBGZlrB0oi
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-05_0f450c9c0a9f327a55667d724b13f3fa_ryuk
Files
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2024-06-05_0f450c9c0a9f327a55667d724b13f3fa_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_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 133KB - Virtual size: 132KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 61KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 172B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 59KB - Virtual size: 58KB
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