Static task
static1
Behavioral task
behavioral1
Sample
rk391341.exe
Resource
win7-20230220-en
General
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Target
rk391341.exe.bin
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Size
582KB
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MD5
e1fd04a33ccf2c58d816b9085ae2c93e
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SHA1
76ac9027a7a9d98c16bf6aa4507a379ed380558d
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SHA256
81ef2dd80335c968bc5abeceba16e677c542b30e75c75dbea8cb94b05d688f84
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SHA512
d59d2ca743a46e329119f7638fa5d1da2f4fbb244f51ebf5d0388b6913841f938e663c47e6137ca070f683abb5c61280f7fea12b20be0bf2d91d1e14bf9c0783
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SSDEEP
12288:C71d9GZJOFHzMHUl/ilYMUp4AU/tRI7hra:U1uE9p6lZUGAOI78
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource rk391341.exe.bin
Files
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rk391341.exe.bin.exe windows x86
10ab34837ef60af1edc59a7f73704998
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
EnumCalendarInfoA
GetStringTypeA
GetDriveTypeW
lstrcpynA
GetConsoleAliasExesLengthA
BuildCommDCBAndTimeoutsA
EnumCalendarInfoW
GetCommState
InterlockedDecrement
GetNamedPipeHandleStateA
MoveFileWithProgressA
GetModuleHandleW
GetTickCount
EnumResourceTypesA
SetProcessPriorityBoost
GetEnvironmentStrings
LoadLibraryW
GetConsoleWindow
InterlockedPopEntrySList
GetFileAttributesA
SetConsoleMode
GetFileAttributesW
lstrcatA
GetBinaryTypeW
GetOverlappedResult
GetVolumePathNameA
FindNextVolumeMountPointW
SetTapePosition
GetStringTypeExA
EnumSystemLocalesA
GetPrivateProfileIntW
GlobalUnfix
ReleaseActCtx
GetLastError
GetProcAddress
CreateJobSet
SetComputerNameA
WriteConsoleA
UnhandledExceptionFilter
GetConsoleScreenBufferInfo
LocalAlloc
RemoveDirectoryW
BeginUpdateResourceA
SetThreadIdealProcessor
GetModuleFileNameA
FindNextFileA
EnumDateFormatsA
CreateMutexA
FreeEnvironmentStringsW
GetConsoleTitleW
GetCPInfoExA
SetCalendarInfoA
SetFileShortNameA
TerminateJobObject
FindAtomW
QueryDepthSList
DebugBreak
DeleteFileA
SetFilePointer
WriteConsoleW
FlushFileBuffers
WideCharToMultiByte
InterlockedIncrement
InterlockedCompareExchange
InterlockedExchange
MultiByteToWideChar
GetStringTypeW
EncodePointer
DecodePointer
Sleep
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
HeapFree
HeapAlloc
GetCommandLineA
HeapSetInformation
GetStartupInfoW
GetCPInfo
RaiseException
RtlUnwind
LCMapStringW
HeapCreate
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
HeapSize
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
CloseHandle
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
GetCurrentProcess
GetEnvironmentStringsW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetLocaleInfoW
IsProcessorFeaturePresent
GetACP
GetOEMCP
IsValidCodePage
GetUserDefaultLCID
GetLocaleInfoA
IsValidLocale
HeapReAlloc
SetStdHandle
GetConsoleCP
GetConsoleMode
CreateFileW
user32
DefDlgProcA
GetMenu
Sections
.text Size: 97KB - Virtual size: 97KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 322KB - Virtual size: 4.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.sokeraz Size: 94KB - Virtual size: 93KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 67KB - Virtual size: 67KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ