Static task
static1
Behavioral task
behavioral1
Sample
2024-04-18_1486b5fa8faea9cf7dce032bc3314b93_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-18_1486b5fa8faea9cf7dce032bc3314b93_ryuk.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-18_1486b5fa8faea9cf7dce032bc3314b93_ryuk
-
Size
6.8MB
-
MD5
1486b5fa8faea9cf7dce032bc3314b93
-
SHA1
abe0784c2214d32fd6f2993346c19ba016151de6
-
SHA256
27912c2fa53d80b2ffe9d31d9808ccf9aef74c7c0ff423a96c65037b21796180
-
SHA512
20247dcde22c04ce0034b187d55712b3f5e8077e5dd11e9cc8b1c3ae9616c07e2d53ea68b62e54ba0a94ab5693ca63ab8b79859b692135feecab6a86051cf2a3
-
SSDEEP
196608:vQSsyW1qHha3PswuTun5fiRgb8/52H7cfp6vC:ISWguP4o6+As0p6
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-18_1486b5fa8faea9cf7dce032bc3314b93_ryuk
Files
-
2024-04-18_1486b5fa8faea9cf7dce032bc3314b93_ryuk.exe windows:6 windows x64 arch:x64
afcd14dae08fa7ba7053380b1118fe56
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
kernel32
AreFileApisANSI
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
wtsapi32
WTSSendMessageW
user32
GetUserObjectInformationW
GetProcessWindowStation
GetUserObjectInformationW
Sections
.text Size: 233KB - Virtual size: 236KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 17KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vlizer0 Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vlizer1 Size: 4.0MB - Virtual size: 4.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ