rus[.]exe | Triage

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General

Target

rus.exe
Size

5.6MB
MD5

678baf6b6fd6b5f1b58700c42cce7488
SHA1

387c63f9073e0d5aa26887a3a19c1832a69c4060
SHA256

d2f367f3d9d4529250fb1c2d22d310904c8b0389a3339d084724b7cbf466b4eb
SHA512

e4409ae8d0996bf622a27c63e961300c6caf788bf5b3a94ccbd8d1729d64c165b1810192f4aa20a34963b9a0efe102d8d476e417530f56c175f5958d60b96c4f
SSDEEP

49152:1mqXr6vOBz/i+YkSx+VBT7kmT3BFWkfzlmy3K2576aaGjMUvqoelDe20N++LKcRt:97vKLWhoCv/CfDRk

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rus.exe

Files

rus.exe
.exe windows:6 windows x64 arch:x64

edb82636fffa7ebf56902d4d3dadc002

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

GetSystemInfo
CreateIoCompletionPort
GetQueuedCompletionStatusEx
PostQueuedCompletionStatus
DuplicateHandle
GetCurrentProcess
UnregisterWaitEx
RegisterWaitForSingleObject
SetFileCompletionNotificationModes
GetLastError
Sleep
GetModuleHandleA
GetProcAddress
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
FreeEnvironmentStringsW
DeleteProcThreadAttributeList
CompareStringOrdinal
AddVectoredExceptionHandler
SetThreadStackGuarantee
SwitchToThread
WaitForSingleObject
QueryPerformanceCounter
RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry
SetLastError
GetCurrentDirectoryW
GetEnvironmentStringsW
GetEnvironmentVariableW
ReleaseSRWLockShared
CloseHandle
AcquireSRWLockShared
SetFileInformationByHandle
SetFilePointerEx
TryAcquireSRWLockExclusive
GetStdHandle
GetCurrentProcessId
WriteFileEx
SleepEx
GetExitCodeProcess
TerminateProcess
QueryPerformanceFrequency
HeapAlloc
GetProcessHeap
HeapFree
GetCurrentThreadId
HeapReAlloc
ReleaseMutex
FindClose
CreateFileW
GetFileInformationByHandle
GetFileInformationByHandleEx
CreateDirectoryW
FindFirstFileW
GetFinalPathNameByHandleW
InitializeSListHead
IsDebuggerPresent
GetConsoleMode
UnhandledExceptionFilter
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
GetFullPathNameW
CreateNamedPipeW
ReadFileEx
GetSystemDirectoryW
GetWindowsDirectoryW
CreateProcessW
GetFileAttributesW
InitializeProcThreadAttributeList
UpdateProcThreadAttribute
SetUnhandledExceptionFilter
MultiByteToWideChar
WriteConsoleW
CreateThread
GetCurrentThread
GetSystemTimeAsFileTime
GetTempPathW
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
SetHandleInformation
IsProcessorFeaturePresent

advapi32

RegOpenKeyExW
RegQueryValueExW
SystemFunction036
RegCloseKey

secur32

AcceptSecurityContext
FreeContextBuffer
DecryptMessage
EncryptMessage
ApplyControlToken
AcquireCredentialsHandleA
InitializeSecurityContextW
FreeCredentialsHandle
DeleteSecurityContext
QueryContextAttributesW

crypt32

CertVerifyCertificateChainPolicy
CertDuplicateCertificateChain
CertFreeCertificateChain
CertCloseStore
CertDuplicateStore
CertGetCertificateChain
CertDuplicateCertificateContext
CertFreeCertificateContext
CertEnumCertificatesInStore
CertOpenStore
CertAddCertificateContextToStore

ws2_32

WSASend
getsockopt
setsockopt
shutdown
getpeername
getsockname
connect
bind
WSASocketW
closesocket
ioctlsocket
WSAGetLastError
WSAIoctl
getaddrinfo
freeaddrinfo
WSAStartup
WSACleanup
recv
send

ntdll

NtDeviceIoControlFile
RtlNtStatusToDosError
NtCreateFile
NtWriteFile
NtReadFile
NtCancelIoFileEx

bcrypt

BCryptGenRandom

vcruntime140

memmove
memcpy
__CxxFrameHandler3
__current_exception_context
__current_exception
memset
__C_specific_handler
memcmp
_CxxThrowException

api-ms-win-crt-math-l1-1-0

__setusermatherr
pow

api-ms-win-crt-runtime-l1-1-0

__p___argc
__p___argv
_cexit
_c_exit
exit
_register_thread_local_exe_atexit_callback
_initterm_e
_exit
_initterm
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate
_get_initial_narrow_environment
_seh_filter_exe
_set_app_type
_configure_narrow_argv
_initialize_narrow_environment

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

_set_new_mode
free

Sections

.text
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 306KB - Virtual size: 305KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

edb82636fffa7ebf56902d4d3dadc002

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

secur32

crypt32

ws2_32

ntdll

bcrypt

vcruntime140

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

.text Size: 4.0MB - Virtual size: 4.0MB

.rdata Size: 1.3MB - Virtual size: 1.3MB

.data Size: 12KB - Virtual size: 12KB

.pdata Size: 306KB - Virtual size: 305KB

.reloc Size: 23KB - Virtual size: 22KB

.text
Size: 4.0MB - Virtual size: 4.0MB

.rdata
Size: 1.3MB - Virtual size: 1.3MB

.data
Size: 12KB - Virtual size: 12KB

.pdata
Size: 306KB - Virtual size: 305KB

.reloc
Size: 23KB - Virtual size: 22KB