Static task
static1
Behavioral task
behavioral1
Sample
2024-09-02_02c2322bdaba8bddca4c2a8a37bfb7b2_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-02_02c2322bdaba8bddca4c2a8a37bfb7b2_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-02_02c2322bdaba8bddca4c2a8a37bfb7b2_ryuk
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Size
16.4MB
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MD5
02c2322bdaba8bddca4c2a8a37bfb7b2
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SHA1
985397b650886b279bca69d6feb918d9f1fd77af
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SHA256
80ba58ad0dd2668e33064c891673e0f54e6474cb2d9dc176a88997a3c9d5a038
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SHA512
955d2e309d70f33a4c28f4f3d20248ab588df5ba5491e7dc8679f0f3183e90ac33194b0b3b582c1a876dcf1c8bef379a8a56bac923aba8f49ef1e39c18e29083
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SSDEEP
196608:9ZKC3hQvQOrdRcyRpH/729ensfbigPj/W7ROTK9oneM3qbMpyimxTERW/tr:9oiQvQOhKyT+2sfWgr/u39sYgwiWEwt
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-02_02c2322bdaba8bddca4c2a8a37bfb7b2_ryuk
Files
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2024-09-02_02c2322bdaba8bddca4c2a8a37bfb7b2_ryuk.exe windows:6 windows x64 arch:x64
7f5bb181db3c1ca0487e6d552a61ecd8
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
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: 3.5MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 941KB - Virtual size: 940KB
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: 126KB - Virtual size: 125KB
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
.su6 Size: 4.4MB - Virtual size: 4.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.lC\ Size: 512B - Virtual size: 240B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.J;K Size: 4.9MB - Virtual size: 4.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 30KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ