Static task
static1
Behavioral task
behavioral1
Sample
metsvc-server.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
metsvc-server.exe
Resource
win10v2004-20230915-en
General
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Target
metsvc-server.exe
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Size
44KB
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MD5
ab4642325e0f40c91ddd6781efaa62e2
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SHA1
bea6af09b27e7d89fd8da7127b986cd83352548b
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SHA256
ac16a5c6d083293c45b67db0f584aca9dcfbcc4bf79cd2dc3e7cca4061626303
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SHA512
28a5b2356160871315c7e2bdd6ffa6c3c0aa88f19f1dc75d1a8237c11cb6efd774ab976097492536789016c598148d2aa10337c844a680c62dae8012222cf88c
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SSDEEP
768:GOl+cQx08xATY39oYhakPG2PpD+oZA9t:M50HYNobkP7PcFt
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource metsvc-server.exe
Files
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metsvc-server.exe.exe windows:4 windows x86
707845642d519583b07c0fef4f1c2c20
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
ws2_32
WSAStartup
closesocket
kernel32
GetProcAddress
LoadLibraryA
GetCommandLineA
HeapFree
GetVersionExA
HeapAlloc
GetProcessHeap
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlUnwind
GetModuleHandleA
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
DeleteCriticalSection
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
HeapDestroy
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
GetOEMCP
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
Sleep
VirtualAlloc
HeapReAlloc
LCMapStringA
MultiByteToWideChar
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
HeapSize
Sections
.text Size: 28KB - Virtual size: 24KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE