rustybuer | 4e6bccd94552190533e28058092b989e

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General

Target

4e6bccd94552190533e28058092b989e
Size

1.2MB
MD5

4e6bccd94552190533e28058092b989e
SHA1

b76e030c15bcc91a1336c820db04b76350b7b512
SHA256

a3662b8fdd77511e2b5bb91e2797ff4076555fe3360b88198e078932d131e53d
SHA512

4c65b55963d48d7ddabecd8df36c6541b65857de063ee9407126adee9f7f475c6a10ca812bc9c681750f03290cc393116a7a8c2d4542ffa41315b4832d21e71e
SSDEEP

24576:dHtFjGDfUmf6oIDADj41g3gpzQn65O5C9OkLBlgVIH06iyx:AyDcVJU4qB2IU6iO

Score

10^/10

rustybuer

Malware Config

Extracted

Family

rustybuer

https://serevalutinoffice.com/

Signatures

Rustybuer family
rustybuer
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

4e6bccd94552190533e28058092b989e

resource
4e6bccd94552190533e28058092b989e

Files

4e6bccd94552190533e28058092b989e
.exe windows:6 windows x86 arch:x86

b29ae267f5b16be88167085dab75c353

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

ntdll

NtQueryDefaultLocale
RtlCaptureContext
RtlUnwind

kernel32

SetLastError
GetModuleFileNameW
GetLastError
GetProcessHeap
HeapFree
CreateFileW
Sleep
AddVectoredExceptionHandler
SetThreadStackGuarantee
HeapAlloc
HeapReAlloc
GetVolumePathNameW
GetDiskFreeSpaceW
GetModuleHandleA
GetProcAddress
TlsGetValue
TlsSetValue
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AcquireSRWLockShared
ReleaseSRWLockShared
GetEnvironmentVariableW
CloseHandle
GetConsoleMode
WriteFile
WriteConsoleW
GetCurrentDirectoryW
GetCurrentThread
ReleaseMutex
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
TlsAlloc
GetModuleHandleW
FormatMessageW
InitializeCriticalSection
TryEnterCriticalSection
LeaveCriticalSection
EnterCriticalSection
SetHandleInformation
ExitProcess
QueryPerformanceCounter
QueryPerformanceFrequency
GetSystemTimeAsFileTime
CreateThread
GetCurrentProcess
VirtualAlloc
GetSystemInfo
GetVolumeInformationA
GetStdHandle
DecodePointer
SetFilePointerEx
LCMapStringW
CompareStringW
HeapSize
GetStringTypeW
GetFileType
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetCommandLineW
GetConsoleCP
FlushFileBuffers
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsFree
FreeLibrary
LoadLibraryExW
RaiseException
GetModuleHandleExW
GetCommandLineA

advapi32

RegQueryValueExW
RegOpenKeyExW
GetUserNameW
GetTokenInformation
OpenProcessToken
GetCurrentHwProfileW
SystemFunction036

bcrypt

BCryptGenRandom

netapi32

NetWkstaGetInfo

user32

GetSystemMetrics

ws2_32

getsockname
accept
ioctlsocket
WSASend
send
WSARecv
recv
listen
WSASocketW
freeaddrinfo
getaddrinfo
WSACleanup
WSAStartup
WSAGetLastError
bind
closesocket
getpeername
select
connect
setsockopt
getsockopt
gethostname

Sections

.text
Size: 602KB - Virtual size: 602KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 580KB - Virtual size: 579KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

Files

b29ae267f5b16be88167085dab75c353

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

advapi32

bcrypt

netapi32

user32

ws2_32

Sections

.text Size: 602KB - Virtual size: 602KB

.rdata Size: 580KB - Virtual size: 579KB

.data Size: 2KB - Virtual size: 5KB

.reloc Size: 33KB - Virtual size: 33KB

.text
Size: 602KB - Virtual size: 602KB

.rdata
Size: 580KB - Virtual size: 579KB

.data
Size: 2KB - Virtual size: 5KB

.reloc
Size: 33KB - Virtual size: 33KB