Static task
static1
Behavioral task
behavioral1
Sample
bridgeunattend.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
bridgeunattend.exe
Resource
win10v2004-20230703-en
General
-
Target
bridgeunattend.exe
-
Size
20KB
-
MD5
aa9147faaee0724c637931246f0e52f9
-
SHA1
bae8a9b25262d11202c0d1f955149027246cfa73
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SHA256
0dab54a90bf52eb64f8eb50d94298f2c55d04682369c93107315ad91a3c6d642
-
SHA512
2ad39d894246c73a25d2cf0eb914560a6ac9fbb1a467e5c6d3da0e1dbd37b63e2588100f94e717434b4a4c34464a7f3c305e216331a543dd81280276c62a2f48
-
SSDEEP
384:fhDPLVoZt21ZaGYYZHHO6nOO+gkX7E8o5OO5AIHvi3WjfW:At8JOiOv65tHaA
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bridgeunattend.exe
Files
-
bridgeunattend.exe.exe windows x64
43414f81fc52caf520b560a4956a39cc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
advapi32
RegOpenKeyExW
RegCloseKey
RegQueryValueExW
kernel32
CreateEventW
GetLastError
CloseHandle
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
SetUnhandledExceptionFilter
Sleep
GetSystemTimeAsFileTime
GetTickCount
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentThreadId
msvcrt
_XcptFilter
_amsg_exit
__getmainargs
__set_app_type
exit
_callnewh
_cexit
__setusermatherr
_initterm
__C_specific_handler
_fmode
_commode
?terminate@@YAXXZ
??1type_info@@UEAA@XZ
??0exception@@QEAA@AEBQEBDH@Z
malloc
free
memmove_s
wcschr
??0exception@@QEAA@AEBV0@@Z
??0exception@@QEAA@AEBQEBD@Z
??0exception@@QEAA@XZ
??1exception@@UEAA@XZ
?what@exception@@UEBAPEBDXZ
memcpy_s
__CxxFrameHandler3
_CxxThrowException
_exit
memset
ole32
CoCreateInstance
CLSIDFromString
CoUninitialize
CoInitialize
CoTaskMemFree
CoSetProxyBlanket
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 792B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 76B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ