b6fa0a832c8fa49579cf840186a5d973deae459059012c2f016ccc5b56a04d52

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General

Target

b6fa0a832c8fa49579cf840186a5d973deae459059012c2f016ccc5b56a04d52
Size

186KB
MD5

62cccc5d8f8a648ca71ec087d687dcb7
SHA1

2191349bdb005788cca415da819b9532acfdb0ea
SHA256

b6fa0a832c8fa49579cf840186a5d973deae459059012c2f016ccc5b56a04d52
SHA512

14973af1b5ffc824b918baa5ae6a79bc6bf66efcb52b6b10aca884a9bb2ece16a365bed5b22fc87b875d7fc27be0ba5244be14aafb427da5be01ffeb86db3f8b
SSDEEP

3072:pbuqdWa3j6kgKWY4qKzk6au2FMYSv0UkrLq39bCcQUhA7Nk178+bwgzgDGVLRugI:pbCaT6kDRonaDBSPNbCcQUhD8NgzgDGs

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Files

b6fa0a832c8fa49579cf840186a5d973deae459059012c2f016ccc5b56a04d52
.exe windows x86

c0aa938d7b2cafa2402efb487f00f7eb

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

_vsnwprintf
_snwprintf
wcsrchr
wcscpy
wcslen
_wcsicmp
malloc
memmove
_initterm
wcsncpy
wcscat
free

kernel32

lstrlenW
MultiByteToWideChar
lstrlenA
GetLastError
GetModuleFileNameA
GetVersionExW
DisableThreadLibraryCalls
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
lstrcpynW
CloseHandle
CreateEventW
SetEvent
ResetEvent
WaitForSingleObject
ReleaseSemaphore
GetSystemInfo
VirtualFree
lstrcmpW
DuplicateHandle
CreateSemaphoreW
VirtualAlloc
lstrcpyW
lstrcmpiW
InterlockedExchange
SetThreadPriority
GetFileAttributesW
DeleteFileW
QueueUserWorkItem
QueryPerformanceFrequency
LocalFree
CreateDirectoryW
GetTempPathW
SetFileAttributesW
LocalAlloc
SetLastError
lstrcmpiA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
CreateFileW
SetFilePointerEx
SetEndOfFile
ReadFile
WriteFile
GetProcessHeap
HeapFree
HeapReAlloc
HeapAlloc
IsBadReadPtr
TryEnterCriticalSection
Sleep
GetFullPathNameW
CreateHardLinkW
FindClose
FindFirstFileW
OpenEventW
GetFileInformationByHandle
ReleaseMutex
RaiseException
CreateMutexW
IsBadWritePtr
OpenFileMappingW
FlushViewOfFile
GetTempFileNameW
OpenMutexW
UnregisterWaitEx
RegisterWaitForSingleObject
CreateIoCompletionPort
GetQueuedCompletionStatus
InterlockedDecrement
FreeLibrary
InterlockedIncrement
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
LoadLibraryA
CreateThread
RemoveDirectoryW

user32

wsprintfW

advapi32

RegSetValueW
RegOpenKeyExW
AllocateAndInitializeSid
FreeSid
AddAccessAllowedAceEx
EqualSid
GetAclInformation
InitializeAcl
GetAce
AddAce
SetEntriesInAclW
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
RegEnumKeyExW
RegCloseKey
RegDeleteKeyW
RegCreateKeyW
RegQueryValueExW
CopySid
GetLengthSid
IsValidSid
SetNamedSecurityInfoW
GetNamedSecurityInfoW
RegCreateKeyExW
RegSetValueExW

ole32

CoUninitialize
CoFreeUnusedLibraries
CoCreateInstance
CoInitialize
CoTaskMemAlloc
CoTaskMemFree
StringFromGUID2
CLSIDFromString
HMENU_UserUnmarshal
CoRevertToSelf
ReleaseStgMedium
HBITMAP_UserUnmarshal
WriteFmtUserTypeStg
ComPs_NdrDllUnregisterProxy
OleInitialize
CoUnmarshalHresult
HBRUSH_UserSize
HACCEL_UserUnmarshal
CoFreeUnusedLibrariesEx
HACCEL_UserMarshal
HBRUSH_UserUnmarshal
SNB_UserUnmarshal
UtConvertDvtd32toDvtd16
OleLoad
UtConvertDvtd16toDvtd32
CoFreeLibrary
CoRegisterSurrogateEx
CoRegisterMallocSpy
HBITMAP_UserFree
OleCreateLinkToFile

rpcrt4

NdrDllGetClassObject
NdrDllCanUnloadNow
NdrCStdStubBuffer_Release
NdrDllRegisterProxy
NdrDllUnregisterProxy
NdrStubCall2
UuidCreate
NdrOleAllocate
NdrOleFree
IUnknown_QueryInterface_Proxy
IUnknown_AddRef_Proxy
IUnknown_Release_Proxy
CStdStubBuffer_QueryInterface
CStdStubBuffer_AddRef
CStdStubBuffer_Connect
CStdStubBuffer_Disconnect
CStdStubBuffer_Invoke
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_CountRefs
CStdStubBuffer_DebugServerQueryInterface
CStdStubBuffer_DebugServerRelease
NdrStubForwardingFunction
NdrCStdStubBuffer2_Release

winmm

timeBeginPeriod
timeGetTime
timeGetDevCaps
midiInOpen
mmioDescend
waveOutGetPosition
waveOutUnprepareHeader
mixerGetDevCapsA
mixerSetControlDetails
sndPlaySoundA
CloseDriver
mmioWrite
DefDriverProc
joyReleaseCapture
waveInReset
joy32Message
mmioInstallIOProcW
mciGetDeviceIDA
waveInGetDevCapsW
mciGetYieldProc
midiOutClose
joyGetDevCapsA
mmioRead
mciDriverNotify
WOWAppExit
midiOutGetDevCapsA
sndPlaySoundW
mod32Message

Sections

.text
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

UPX0
Size: 1024B - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rdata
Size: 136KB - Virtual size: 575KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 3KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c0aa938d7b2cafa2402efb487f00f7eb

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

advapi32

ole32

rpcrt4

winmm

Sections

.text Size: 22KB - Virtual size: 21KB

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

UPX0 Size: 1024B - Virtual size: 35KB

.rdata Size: 136KB - Virtual size: 575KB

UPX1 Size: 3KB - Virtual size: 20KB

.rsrc Size: 10KB - Virtual size: 10KB

.reloc Size: 4KB - Virtual size: 8KB

.text
Size: 22KB - Virtual size: 21KB

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

UPX0
Size: 1024B - Virtual size: 35KB

.rdata
Size: 136KB - Virtual size: 575KB

UPX1
Size: 3KB - Virtual size: 20KB

.rsrc
Size: 10KB - Virtual size: 10KB

.reloc
Size: 4KB - Virtual size: 8KB