Static task
static1
Behavioral task
behavioral1
Sample
2024-08-21_0c859691223c5bb50655fdc1c20332c8_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-21_0c859691223c5bb50655fdc1c20332c8_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-21_0c859691223c5bb50655fdc1c20332c8_ryuk
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Size
16.4MB
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MD5
0c859691223c5bb50655fdc1c20332c8
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SHA1
1a20f5dafcc28aba28fc5092f012e88c8bc69a00
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SHA256
12d8bf4fbfa9d1f7eb34766cc9c86f442606b397462252ef4879aaf5c64e2d6f
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SHA512
a46d577b05a750c7e0316f14506e4f72b33a2e857a05d928f8a7bb65a836b5dc58458362cfe0ad5ea921c6fe1995dad16e46ffcd515166d478a5205ec53723d1
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SSDEEP
196608:9ZKC3hQvQOrdRTyRpH/729ensfbigPj/W7ROTK9oneM3qbMpyimxTERW/tr:9oiQvQOhdyT+2sfWgr/u39sYgwiWEwt
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-21_0c859691223c5bb50655fdc1c20332c8_ryuk
Files
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2024-08-21_0c859691223c5bb50655fdc1c20332c8_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