8b[.]dll | Triage

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General

Target

8b.dll
Size

291KB
MD5

24e660f467028262c516651a89c17d9a
SHA1

594c0c4821b0b6b59b11f8dab8cc149716de4ed0
SHA256

8bba311afca550f095529cdb6de6b109d0a70fdee3d5e1c04a8a930e1ed63888
SHA512

a73ea27e17b75ca0d64973b63763eb024b722bbf5c9c059e0c3fd4640aec4cb8cc85ab55b5f646eadad9b0c048cea4ac4588a02db796f17d5e7c72f62de05233
SSDEEP

6144:QYgGCo0f804DPsRMpOcqvSYYkUd6qgZdpmfcAOJbN/Nxm:QY50EnDPsRMpOcqOdbc7Rfm

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
8b.dll

Files

8b.dll
.dll windows x86

2fbd0645d68d5195c896ced47ea188db

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

VirtualFree
VirtualAlloc
CancelIo
SetEvent
ResetEvent
CreateEventA
CreateProcessA
GetProcAddress
LoadLibraryA
CreateFileA
CreateFileMappingA
MapViewOfFile
VirtualProtect
FreeLibrary
SuspendThread
VirtualAllocEx
WriteProcessMemory
QueueUserAPC
ResumeThread
GetNativeSystemInfo
WriteFile
TerminateThread
GetCurrentProcess
MultiByteToWideChar
lstrcpyA
HeapReAlloc
GetProcessHeap
HeapAlloc
IsBadReadPtr
HeapFree
GetTempPathA
GetTempFileNameA
WideCharToMultiByte
GetModuleHandleW
GetSystemInfo
GlobalMemoryStatusEx
GetCurrentThreadId
lstrlenW
InitializeCriticalSectionEx
HeapSize
RaiseException
DecodePointer
DeleteCriticalSection
WriteConsoleW
SetEndOfFile
SetStdHandle
CreateThread
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
ReadConsoleW
ReadFile
FlushFileBuffers
lstrcmpiA
ExitProcess
GetSystemDirectoryA
GetSystemWow64DirectoryA
GetCommandLineW
SetConsoleCtrlHandler
GetCommandLineA
SetFileAttributesA
Sleep
OutputDebugStringW
MoveFileA
CopyFileA
CreateDirectoryA
GetModuleHandleA
GetModuleFileNameA
TerminateProcess
OpenProcess
Process32Next
Process32First
Thread32Next
Thread32First
CreateToolhelp32Snapshot
GetModuleFileNameW
WaitForSingleObject
GetTickCount
CloseHandle
ReleaseMutex
GetLastError
CreateMutexA
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
GetFileType
GetSystemTimeAsFileTime
GetStdHandle
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
FreeLibraryAndExitThread
ExitThread
GetModuleHandleExW
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SetLastError
InterlockedFlushSList
RtlUnwind
InitializeSListHead
GetCurrentProcessId
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
CreateEventW
InitializeCriticalSectionAndSpinCount
GetCPInfo
OutputDebugStringA
CreateFileW
WaitForSingleObjectEx
GetStringTypeW
QueryPerformanceCounter
EnterCriticalSection
LeaveCriticalSection
EncodePointer
LCMapStringEx
LocalFree

user32

SetThreadDesktop
wsprintfA
PostThreadMessageA
PeekMessageA
TranslateMessage
MsgWaitForMultipleObjects
DispatchMessageA
ExitWindowsEx
PostQuitMessage
DefWindowProcA
LoadCursorA
RegisterClassExA
CreateWindowExA
GetMessageA
GetThreadDesktop
GetUserObjectInformationA
CloseDesktop
OpenInputDesktop

advapi32

SetSecurityDescriptorDacl
AdjustTokenPrivileges
OpenProcessToken
RegQueryValueExW
RegQueryValueExA
RegOpenKeyA
RegSetValueExW
RegCreateKeyA
CloseServiceHandle
OpenServiceA
OpenSCManagerA
InitializeSecurityDescriptor
RegCloseKey
RegSetValueExA
RegOpenKeyExA
GetLengthSid
SetTokenInformation
LookupPrivilegeValueA

shell32

CommandLineToArgvW
SHGetSpecialFolderPathA
ShellExecuteExA

ole32

CoInitializeSecurity
CoInitializeEx
CoCreateInstance

oleaut32

VariantClear
SysFreeString
VariantInit
SysAllocString

shlwapi

PathFindFileNameA
PathCombineA
PathFileExistsA

ws2_32

gethostname
getsockname
WSAStartup
setsockopt
htons
recv
connect
socket
send
WSACleanup
select
gethostbyname
closesocket
WSAIoctl

wtsapi32

WTSQuerySessionInformationA
WTSEnumerateSessionsA
WTSFreeMemory

avicap32

capGetDriverDescriptionA

winhttp

WinHttpCrackUrl
WinHttpReceiveResponse
WinHttpOpen
WinHttpAddRequestHeaders
WinHttpConnect
WinHttpSendRequest
WinHttpCloseHandle
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData

Exports

Exports

run

Sections

.text
Size: 203KB - Virtual size: 203KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2fbd0645d68d5195c896ced47ea188db

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

shlwapi

ws2_32

wtsapi32

avicap32

winhttp

Exports

Exports

Sections

.text Size: 203KB - Virtual size: 203KB

.rdata Size: 70KB - Virtual size: 69KB

.data Size: 5KB - Virtual size: 10KB

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 11KB - Virtual size: 10KB

.text
Size: 203KB - Virtual size: 203KB

.rdata
Size: 70KB - Virtual size: 69KB

.data
Size: 5KB - Virtual size: 10KB

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 11KB - Virtual size: 10KB