Static task
static1
Behavioral task
behavioral1
Sample
2024-08-09_a691aac260a176579548d59e42872549_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-09_a691aac260a176579548d59e42872549_ryuk.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-08-09_a691aac260a176579548d59e42872549_ryuk
-
Size
16.4MB
-
MD5
a691aac260a176579548d59e42872549
-
SHA1
e572e6101be1a032639caf33ac5c8d5e12ed8067
-
SHA256
3b9559f5858af6b9bb7edd3493f8279b61d912bd448ea7cc3b905ecf4b3b45da
-
SHA512
328fb35d95af69c59f3b7c21a8223406a7cc6ea9a6edce65496fcfbffe917f6cddb41d66d6b3742f8e3b85cd9dec7fdcf1307ab7bc57b9d679fa7d98b4929f68
-
SSDEEP
196608:9ZKC3hQvQOrdR8yRpH/729ensfbigPj/W7ROTK9oneM3qbMpyimxTERW/tr:9oiQvQOh6yT+2sfWgr/u39sYgwiWEwt
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-09_a691aac260a176579548d59e42872549_ryuk
Files
-
2024-08-09_a691aac260a176579548d59e42872549_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