2024-05-10_caeef71d7fa0bfe8f3c751c12a610fa9_ryuk

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General

Target

2024-05-10_caeef71d7fa0bfe8f3c751c12a610fa9_ryuk
Size

1.6MB
MD5

caeef71d7fa0bfe8f3c751c12a610fa9
SHA1

f5d88d759a9c3568d09e950848fd3f3d40d9dd12
SHA256

f279467bf87eae952205ccb13827684e1d96571c0823cd2ae02e7c69a06485da
SHA512

0a77976164ead236983e9213e0d09c290b7b1f1b65c3f33bb711d9a96cf84b73c2b2038b9e72463e2430ed3b8d3d78751dae81339038946a09e8263202a35e8d
SSDEEP

12288:j+oeL4VvUS/Xsll0qZdoEcs00SKUQp9RRZZ4P6LbOHnmmj2hooK8:jHVvUS/Xsll0qZKZs00NJ4iWHFjoK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-10_caeef71d7fa0bfe8f3c751c12a610fa9_ryuk

Files

2024-05-10_caeef71d7fa0bfe8f3c751c12a610fa9_ryuk
.exe windows:5 windows x64 arch:x64

2f034662aa7daa0d233559d703409298

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

GetModuleHandleA
SetLastError
GetCurrentProcess
GetProcAddress
GetStartupInfoA
CheckRemoteDebuggerPresent
GetModuleHandleExA
VirtualAlloc
VirtualFree
LoadLibraryA
FreeLibrary
HeapAlloc
GetProcessHeap
GetNativeSystemInfo
VirtualProtect
IsBadReadPtr
HeapFree
GetModuleFileNameA
HeapReAlloc
Sleep
CreateThread
CreateMutexA
GetExitCodeProcess
WaitForSingleObject
CreateProcessA
CloseHandle
ReadFile
GetFileSize
CreateFileA
TerminateThread
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
lstrcmpiA
GetSystemDirectoryA

user32

wsprintfA

unityplayer

UnityMain

advapi32

SystemFunction036

iphlpapi

GetAdaptersInfo

Exports

Exports

AmdPowerXpressRequestHighPerformance
NvOptimusEnablement

Sections

.text
Size: 39KB - Virtual size: 40KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 552KB - Virtual size: 556KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Size: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

2f034662aa7daa0d233559d703409298

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

unityplayer

advapi32

iphlpapi

Exports

Exports

Sections

.text Size: 39KB - Virtual size: 40KB

.rdata Size: 34KB - Virtual size: 36KB

.data Size: 2KB - Virtual size: 8KB

.pdata Size: 3KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 4KB

.rsrc Size: 552KB - Virtual size: 556KB

.reloc Size: 2KB - Virtual size: 4KB

Size: 1.0MB - Virtual size: 1.0MB

.text
Size: 39KB - Virtual size: 40KB

.rdata
Size: 34KB - Virtual size: 36KB

.data
Size: 2KB - Virtual size: 8KB

.pdata
Size: 3KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 4KB

.rsrc
Size: 552KB - Virtual size: 556KB

.reloc
Size: 2KB - Virtual size: 4KB