Static task
static1
Behavioral task
behavioral1
Sample
internal-studio-patcher.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
internal-studio-patcher.exe
Resource
win10v2004-20240226-en
General
-
Target
internal-studio-patcher.exe
-
Size
469KB
-
MD5
ff3b19f7d53d5c718bbde302c368729e
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SHA1
0245b716cd8566b2bde5b51ca82508c82bd8d9ad
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SHA256
fbd50b6be61b7288561e3e71033468905bffcbbc7db1a7760edc982727579d1e
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SHA512
d9f406d6cc393c4fdfff607bf3619c37f5882027847f201f7e408ff26230c964734e7303730cd1db4e79ef60cc66f9a5efc6ca09af2a3dc2c928e1e672d9f387
-
SSDEEP
6144:9s+IV+FvqJWh7P7W0iFRJMRzrnZ930eYZMvQ/vzmHjqrN+fDwed2ffGYcG64:9xg+zWb7+RR9Y4Q/vSqYrKf3W4
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource internal-studio-patcher.exe
Files
-
internal-studio-patcher.exe.exe windows:6 windows x64 arch:x64
e9feae4ee19ce73ee460b3cec44cb0a4
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CloseHandle
CreateFileW
CreateMutexA
ExitProcess
FormatMessageW
GetCommandLineW
GetConsoleMode
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentVariableW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetStdHandle
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
LoadLibraryA
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetConsoleMode
SetConsoleTextAttribute
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WriteConsoleW
ntdll
NtReadFile
NtWriteFile
RtlNtStatusToDosError
advapi32
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
vcruntime140
_CxxThrowException
__C_specific_handler
__CxxFrameHandler3
__current_exception
__current_exception_context
memcmp
memcpy
memmove
memset
api-ms-win-crt-runtime-l1-1-0
__p___argc
__p___argv
_c_exit
_cexit
_configure_narrow_argv
_crt_atexit
_exit
_get_initial_narrow_environment
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_initterm_e
_register_onexit_function
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_set_app_type
exit
terminate
api-ms-win-crt-stdio-l1-1-0
__p__commode
_set_fmode
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
api-ms-win-crt-heap-l1-1-0
_set_new_mode
free
Sections
.text Size: 343KB - Virtual size: 342KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 102KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 852B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 67B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ