Static task
static1
Behavioral task
behavioral1
Sample
mstsc.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
mstsc.exe
Resource
win10v2004-20230915-en
General
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Target
mstsc.exe
-
Size
255KB
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MD5
03c21a41410583cb7a38a603d657e68a
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SHA1
475f33725adff71eddf643417bd99503a7c28600
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SHA256
8ba20520e093f97c81b1f698a3a3a75fa894040777ef32993a920c165613fbfa
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SHA512
e65d3d57432a9ccd8451a604fab633f0e2238b3017ad5406cad30c25bcc4bcd841d41a0bf6a83e2f6bbaa2a69dd1f1a4b7c821e5f2184e448cdbab2ca91ae06f
-
SSDEEP
3072:Ml71R4KeMCxlZ34ePs49i2HuvfDPfNktrHUt1EsMkm:k4KeMCl34efyfDGtrHUNMN
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource mstsc.exe
Files
-
mstsc.exe.exe windows:5 windows x86
3438886e6009a26e0534b002f5a2db0a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleHandleExA
CommConfigDialogA
FindResourceW
DeleteVolumeMountPointA
OpenJobObjectA
ReadConsoleA
InterlockedDecrement
SetDefaultCommConfigW
QueryPerformanceCounter
GetEnvironmentStringsW
InterlockedCompareExchange
WriteConsoleInputA
OpenSemaphoreA
CreateHardLinkA
SetTapeParameters
SetThreadUILanguage
FindNextVolumeMountPointA
GetConsoleAliasesA
GetConsoleAliasesLengthA
ConvertFiberToThread
ReadConsoleW
GetCompressedFileSizeW
GetConsoleAliasExesW
WaitNamedPipeW
WriteFile
EnumTimeFormatsW
GetCommandLineA
GetDriveTypeA
GetVolumePathNameW
FindResourceExA
GetConsoleCP
GlobalAlloc
LoadLibraryW
GetConsoleMode
GetLocaleInfoW
ReadConsoleInputA
CopyFileW
GetCalendarInfoA
SetConsoleCP
GetFileAttributesA
WriteConsoleInputW
SetConsoleMode
SetSystemPowerState
IsDBCSLeadByte
CreateMailslotW
GetShortPathNameA
GetNamedPipeHandleStateW
InterlockedExchange
GetStartupInfoA
GetLastError
SetLastError
ReadConsoleOutputCharacterA
SetVolumeLabelW
RemoveDirectoryA
EnumSystemCodePagesW
FreeUserPhysicalPages
SetComputerNameA
FindClose
GetAtomNameA
SetCalendarInfoW
MoveFileA
SetConsoleCtrlHandler
AddAtomA
HeapWalk
SetCommMask
GetPrivateProfileSectionNamesA
GetOEMCP
FindNextFileA
_lread
GetModuleHandleA
FreeEnvironmentStringsW
GetStringTypeW
VirtualProtect
EnumDateFormatsW
PeekConsoleInputA
FindFirstVolumeA
GetWindowsDirectoryW
GetVolumeNameForVolumeMountPointW
DeleteFileW
WriteConsoleW
GetComputerNameA
GetTempFileNameW
EnumSystemCodePagesA
GetCommandLineW
HeapFree
HeapAlloc
GetProcAddress
GetModuleHandleW
ExitProcess
DecodePointer
WideCharToMultiByte
HeapReAlloc
HeapSetInformation
GetStartupInfoW
RaiseException
IsProcessorFeaturePresent
HeapCreate
GetStdHandle
GetModuleFileNameW
EncodePointer
EnterCriticalSection
LeaveCriticalSection
SetFilePointer
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
DeleteCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
GetCurrentProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
GetCPInfo
GetACP
IsValidCodePage
CloseHandle
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
Sleep
SetStdHandle
FlushFileBuffers
RtlUnwind
HeapSize
LCMapStringW
MultiByteToWideChar
CreateFileW
user32
CharUpperA
CharUpperBuffA
gdi32
GetTextFaceA
advapi32
RevertToSelf
winhttp
WinHttpWriteData
Sections
.text Size: 219KB - Virtual size: 219KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 30.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.yufimiv Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.wun Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ