Static task
static1
Behavioral task
behavioral1
Sample
beoclient.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
beoclient.exe
Resource
win10v2004-20231023-en
General
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Target
beoclient.exe
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Size
276KB
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MD5
4fd21f72ae8aed8d7e49eb5b67ea851a
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SHA1
4e8c3244c68bbbe23eb7bc7d785bde1fbb079866
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SHA256
78d710c81abc7be850515d20e5066c4c5b6b76e64736c41ae20f7fc3929006aa
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SHA512
2220eb46b5969da14d7107f107549c71d6d73be6207d8938c62002b817db01ba79beaee277a4ed33255cf901b1e4a5ff647aa074ffe7ed0e595c747841ab3b47
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SSDEEP
6144:33K9e8HlKokcaBFV3dEA79doWUfZbSYnJ5qdfc:3aRezt35d2Z1c
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource beoclient.exe
Files
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beoclient.exe.exe windows:4 windows x86
6aa25ea85eafa7e50d9517a07aeecf1b
Headers
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
kernel32
GetModuleFileNameA
CloseHandle
CreateFileA
GetNumberOfConsoleInputEvents
PeekNamedPipe
FlushConsoleInputBuffer
SetConsoleMode
GetConsoleMode
GetStdHandle
HeapAlloc
HeapFree
GetTimeZoneInformation
GetSystemTime
GetLocalTime
HeapReAlloc
GetLastError
SetConsoleCtrlHandler
ExitProcess
TerminateProcess
GetCurrentProcess
PeekConsoleInputA
GetCommandLineA
GetVersion
SetHandleCount
GetFileType
GetStartupInfoA
WideCharToMultiByte
MultiByteToWideChar
LCMapStringA
LCMapStringW
GetProcAddress
GetModuleHandleA
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
FlushFileBuffers
WriteFile
UnhandledExceptionFilter
ReadFile
SetFilePointer
GetFileAttributesA
GetStringTypeA
GetStringTypeW
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
RtlUnwind
SetStdHandle
GetCPInfo
CompareStringA
CompareStringW
GetACP
GetOEMCP
SetEnvironmentVariableA
GetExitCodeProcess
WaitForSingleObject
CreateProcessA
LoadLibraryA
RaiseException
SetEndOfFile
GetSystemTimeAsFileTime
Sections
.text Size: 200KB - Virtual size: 197KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 48KB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE