Static task
static1
Behavioral task
behavioral1
Sample
2024-10-01_4ee6d9eb1a6404cfb10aebc194cfb792_ryuk.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-10-01_4ee6d9eb1a6404cfb10aebc194cfb792_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-01_4ee6d9eb1a6404cfb10aebc194cfb792_ryuk
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Size
15.2MB
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MD5
4ee6d9eb1a6404cfb10aebc194cfb792
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SHA1
0cc603f4924c624c9faa24e124051d7bae99cc04
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SHA256
b37f20d8dcf43c6a189c215552b75f0c190d8b6b2c0f1205c4dbe74385f50a12
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SHA512
bf930e648085be625bb152b44b90ea5b8b79d88e0c588d0d96aacc814dce87a7b937069da3ffcbfa725a29462a522e4b8f8e628e85634068aadd608ddd41fc17
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SSDEEP
196608:RpvTPumORpygpH/729ensfb2J/lW1OwIPNJStV++nRNmIOAMtgt8OC+LaNE66CO0:RtTPuNyI+2sfKvwI3AVZBggZpaNEz6
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-01_4ee6d9eb1a6404cfb10aebc194cfb792_ryuk
Files
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2024-10-01_4ee6d9eb1a6404cfb10aebc194cfb792_ryuk.exe windows:6 windows x64 arch:x64
fd68464170df1043cd9a0e27e6fb6a16
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
Imports
user32
ClientToScreen
kernel32
AcquireSRWLockExclusive
HeapAlloc
HeapFree
ExitProcess
GetModuleHandleA
LoadLibraryA
GetProcAddress
shell32
CommandLineToArgvW
ole32
CoCreateInstance
d3d9
Direct3DCreate9
d3dx9_43
D3DXCreateTextureFromFileInMemoryEx
advapi32
DeregisterEventSource
gdi32
GetDeviceCaps
imm32
ImmGetContext
ws2_32
WSACleanup
crypt32
CertCloseStore
bcrypt
BCryptGenRandom
Sections
.text Size: 2.7MB - Virtual size: 2.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 925KB - Virtual size: 925KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2.3MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 127KB - Virtual size: 126KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 12KB - Virtual size: 12KB
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
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pZW Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.c\B Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
._O1 Size: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ