a5399f8421826cfe997f6b5f286987394143afce6cffe5ae84ca7aee2b5f3bf9

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General

Target

a5399f8421826cfe997f6b5f286987394143afce6cffe5ae84ca7aee2b5f3bf9
Size

237KB
MD5

7bfbc1fa9bb64d754910caff71e66fa7
SHA1

1970e90bc843c0274afdad491bc0bb77a3e1a9d6
SHA256

a5399f8421826cfe997f6b5f286987394143afce6cffe5ae84ca7aee2b5f3bf9
SHA512

c5c5d88ff0c4b0775d204ce1b1d9292710cf5c4074e4267d2977d8c21714b3967f67588f5122791226cc615280aebcc5dcef0abe001fe6766cb968ef80e00052
SSDEEP

6144:fxXTZppyx7hx+rPsGo7cBePz+1gjLnG1rgXec:JXda/x+QG1e8gTG1Ae

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

a5399f8421826cfe997f6b5f286987394143afce6cffe5ae84ca7aee2b5f3bf9
.exe windows x86

4eadfec2f0763fd2f2082a665e604fce

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

sprintf
wcscpy
wcscat
wcslen
wcscmp
_snprintf
floor
strncpy
atoi
_strnicmp
_iob
strtoul
_vsnprintf
fprintf
free
malloc
perror
memmove
_stricmp
_wcsicmp
rand
wcsrchr
_snwprintf
wcsncat
wcschr
wcsstr
_c_exit
_exit
_XcptFilter
_cexit
__initenv
__getmainargs
_initterm
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
_except_handler3
_controlfp
_ftol
exit

advapi32

RegisterServiceCtrlHandlerExA
SetServiceStatus
AllocateAndInitializeSid
GetLengthSid
InitializeAcl
AddAccessAllowedAce
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
FreeSid
RegNotifyChangeKeyValue
RegQueryValueExW
RegSetValueExA
RegCloseKey
CryptAcquireContextA
CryptGenRandom
CryptReleaseContext
OpenSCManagerA
OpenServiceA
QueryServiceStatus
CloseServiceHandle
RegOpenKeyExA
RegQueryValueExA
ReportEventA
RegisterEventSourceA
StartServiceCtrlDispatcherA

kernel32

IsBadWritePtr
InterlockedExchangeAdd
InterlockedDecrement
OpenProcess
CreateFileA
ReadFile
GetStdHandle
WriteFile
IsBadReadPtr
GetLocalTime
SystemTimeToFileTime
UnmapViewOfFile
CreateSemaphoreA
CreateFileMappingA
MapViewOfFile
WaitForMultipleObjects
GetTickCount
WaitForSingleObject
DeleteCriticalSection
FormatMessageA
LocalFree
CreateEventA
InitializeCriticalSection
ResetEvent
SetProcessWorkingSetSize
GetCurrentProcess
GetSystemTime
HeapDestroy
HeapCreate
CreateDirectoryW
CompareFileTime
GetFileAttributesExW
SetFilePointer
CreateFileW
WideCharToMultiByte
LoadLibraryExW
GetSystemDirectoryW
GetVersionExA
HeapSize
OpenEventA
FlushViewOfFile
ReleaseSemaphore
GetModuleHandleA
LocalAlloc
OpenFileMappingA
CloseHandle
ExitProcess
HeapAlloc
HeapFree
FreeLibrary
GetProcAddress
GetLastError
MultiByteToWideChar
ExpandEnvironmentStringsW
SetEvent
LeaveCriticalSection
EnterCriticalSection
CreateThread

ntdll

DbgBreakPoint
RtlRandomEx
DbgPrint

rpcrt4

NdrServerCall2
RpcAsyncCompleteCall
UuidCreate
RpcServerUnregisterIfEx
RpcServerListen
RpcServerRegisterIf
RpcServerUseProtseqEpA
RpcServerRegisterAuthInfoA
RpcAsyncAbortCall
RpcServerTestCancel
RpcRevertToSelfEx
RpcImpersonateClient
RpcMgmtWaitServerListen
RpcMgmtStopServerListening
NdrAsyncServerCall

secur32

GetUserNameExA

user32

DefWindowProcA
PostQuitMessage
DispatchMessageA
GetMessageA
CreateWindowExA
RegisterClassA

ws2_32

WSACreateEvent
WSAWaitForMultipleEvents
ntohs
ntohl
htons
htonl
inet_ntoa
closesocket
WSACloseEvent
setsockopt
WSAGetLastError
WSAIoctl
WSACleanup
WSCEnumProtocols
WSAStartup
WSASocketW
bind
sendto
recvfrom
socket
WSAEnumNetworkEvents
WSAEventSelect

Sections

.text
Size: 124KB - Virtual size: 123KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 3KB - Virtual size: 138KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 976B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.UPX0
Size: 108KB - Virtual size: 260KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

4eadfec2f0763fd2f2082a665e604fce

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

advapi32

kernel32

ntdll

rpcrt4

secur32

user32

ws2_32

Sections

.text Size: 124KB - Virtual size: 123KB

.data Size: 3KB - Virtual size: 138KB

.rsrc Size: 1024B - Virtual size: 976B

.UPX0 Size: 108KB - Virtual size: 260KB

.text
Size: 124KB - Virtual size: 123KB

.data
Size: 3KB - Virtual size: 138KB

.rsrc
Size: 1024B - Virtual size: 976B

.UPX0
Size: 108KB - Virtual size: 260KB