osbbyzn[.]bin | Triage

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General

Target

osbbyzn.bin
Size

176KB
MD5

a9ef25689c91e9553fa1dce7ead955cd
SHA1

7fd46d297aa267064b3c02907b795f7ee1252136
SHA256

8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6
SHA512

4049f0779f6556c6166bbab1cd07f427919a4a00e6e91cd0aa5c1fd6c1dcf635890ff497fe043d3a48b012c85561f5dc2947cfa425e95836b21dcef3ab886f1a
SSDEEP

3072:92Eysl76h+FUyWLh6JB6543lItt+M1nUPaVLI9m:JjlOgoas43ItQPsQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
osbbyzn.bin

Files

osbbyzn.bin
.exe windows:6 windows x86

3902d6eebe6ffcc8b0985536a2c54d2e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

imm32

ImmRequestMessageW
ImmGetCandidateListW
ImmUnregisterWordA
ImmGetOpenStatus
ImmAssociateContext
ImmEscapeA
ImmGetIMCLockCount

kernel32

WriteConsoleW
SetStdHandle
OutputDebugStringW
LoadLibraryExW
SetFilePointerEx
ReadFile
GetConsoleMode
ReadConsoleW
FlushFileBuffers
CloseHandle
HeapReAlloc
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetModuleFileNameW
GetFileType
GetStdHandle
IsDebuggerPresent
GetProcessHeap
GetCurrentThreadId
GetOEMCP
GetACP
IsValidCodePage
HeapSize
GetModuleHandleExW
CreateFileW
ExitProcess
EnumTimeFormatsW
EnumSystemLocalesW
GetProcAddress
GetModuleHandleW
GetUserDefaultLCID
GetConsoleCP
IsValidLocale
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
GetStringTypeW
GetLastError
HeapFree
RaiseException
RtlUnwind
GetCommandLineW
GetCPInfo
HeapAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
IsProcessorFeaturePresent
LCMapStringW
GetLocaleInfoW

gdi32

CreateRectRgnIndirect
GetLogColorSpaceA
FillPath
SetWindowExtEx
GetDCPenColor
StretchBlt
LineDDA

ole32

OleMetafilePictFromIconAndLabel
SNB_UserMarshal
HMETAFILE_UserFree
CreateStreamOnHGlobal
OleCreate
OleSetAutoConvert
IsAccelerator
OleCreateEx
IsEqualGUID
StgSetTimes

msacm32

acmStreamMessage
acmStreamPrepareHeader
acmFormatTagEnumA
acmDriverOpen
acmFilterTagDetailsA

pdh

PdhIsRealTimeQuery
PdhGetDllVersion
PdhVbOpenQuery
PdhSelectDataSourceW
PdhLookupPerfIndexByNameA
PdhEnumMachinesW

winspool.drv

DeletePrinterDataExW
FindClosePrinterChangeNotification
XcvDataW
ord211
DeleteMonitorA
ScheduleJob
AddPrinterConnectionA
AddPrinterW
EnumPrintersA
ord213

avifil32

AVIFileGetStream
AVIStreamLength
AVIClearClipboard
AVIFileCreateStreamA
AVIStreamFindSample

msvfw32

DrawDibGetBuffer
ICMThunk32
ICDrawBegin

Sections

.text
Size: 120KB - Virtual size: 119KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.yak
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3902d6eebe6ffcc8b0985536a2c54d2e

Headers

DLL Characteristics

File Characteristics

Imports

imm32

kernel32

gdi32

ole32

msacm32

pdh

winspool.drv

avifil32

msvfw32

Sections

.text Size: 120KB - Virtual size: 119KB

.rdata Size: 35KB - Virtual size: 34KB

.data Size: 7KB - Virtual size: 15KB

.yak Size: 6KB - Virtual size: 5KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 7KB - Virtual size: 6KB

.text
Size: 120KB - Virtual size: 119KB

.rdata
Size: 35KB - Virtual size: 34KB

.data
Size: 7KB - Virtual size: 15KB

.yak
Size: 6KB - Virtual size: 5KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 7KB - Virtual size: 6KB