VSSVC.pdb
Static task
static1
Behavioral task
behavioral1
Sample
ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015.exe
Resource
win10v2004-20240508-en
General
-
Target
ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015
-
Size
272KB
-
MD5
e6afe4c90c381e21d1a93aab96257740
-
SHA1
d237b19f8f1af6f77cb8902485751bdcf2741f38
-
SHA256
ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015
-
SHA512
74752ef0040e0188ee480cbbe1b3457d360086e184a58a2d5e2aaf95eed2b761b2b530007b83be775b9a8f6a26aa9a49f228a171ff6672e0569d4f6085eb42d2
-
SSDEEP
6144:LFv0vXC93u044V1YchIh9W6bhfMowL0/cvu:R0vcVaEIhgudf5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015
Files
-
ca50ca4687ebc0bdeda5208a745c51eaa4d5be2e120955158f20ff6ea1161015.exe windows:5 windows x86 arch:x86
620e7b162363a092217232f4c48396b2
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
msvcrt
time
localtime
wcsftime
swprintf
_onexit
__dllonexit
?terminate@@YAXXZ
??1type_info@@UAE@XZ
?_set_se_translator@@YAP6AXIPAU_EXCEPTION_POINTERS@@@ZP6AXI0@Z@Z
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__wgetmainargs
_wcmdln
exit
_cexit
_XcptFilter
_exit
_c_exit
wcsncmp
wcsncpy
wcscmp
_beginthreadex
_errno
realloc
_controlfp
memmove
free
?_set_new_handler@@YAP6AHI@ZP6AHI@Z@Z
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
??0exception@@QAE@XZ
wcschr
swscanf
_wcsnicmp
_wcsicmp
_snwprintf
strncpy
_ultoa
wcslen
wcscpy
??2@YAPAXI@Z
??3@YAXPAX@Z
_purecall
_CxxThrowException
_vsnwprintf
__CxxFrameHandler
_except_handler3
atl
ord30
ord18
ord32
ord20
ord17
ord23
ord16
advapi32
RegDeleteKeyW
RegQueryValueExW
RegEnumKeyExW
RegOpenKeyExW
CloseServiceHandle
RegCreateKeyExW
RegSetValueExW
RegCloseKey
StartServiceCtrlDispatcherW
RegisterServiceCtrlHandlerW
SetServiceStatus
RegisterEventSourceW
EnumServicesStatusW
ReportEventW
DeregisterEventSource
OpenSCManagerW
CreateWellKnownSid
ConvertStringSidToSidW
LookupAccountSidW
EqualSid
LookupPrivilegeValueW
OpenProcessToken
PrivilegeCheck
AllocateAndInitializeSid
CheckTokenMembership
FreeSid
OpenThreadToken
kernel32
LocalAlloc
LocalFree
UnlockFileEx
FlushFileBuffers
LockFileEx
GetFileSizeEx
SetFilePointerEx
OutputDebugStringW
GetCurrentThread
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetModuleHandleA
GetStartupInfoW
SetUnhandledExceptionFilter
TryEnterCriticalSection
WaitForSingleObjectEx
SleepEx
WriteFile
CloseHandle
WaitForSingleObject
GetLastError
CreateThread
InterlockedIncrement
InterlockedDecrement
InitializeCriticalSection
DeleteCriticalSection
SetWaitableTimer
CancelWaitableTimer
SetEvent
CreateEventW
CreateWaitableTimerW
GetCurrentThreadId
OpenThread
lstrcmpiW
GetCommandLineW
EnterCriticalSection
LeaveCriticalSection
GetVolumeInformationW
GetDriveTypeW
GetVolumeNameForVolumeMountPointW
lstrlenW
InitializeCriticalSectionAndSpinCount
InterlockedCompareExchange
Sleep
ResumeThread
DeviceIoControl
WaitForMultipleObjects
CreateFileW
ResetEvent
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetComputerNameW
user32
wsprintfW
ole32
CoImpersonateClient
CoRevertToSelf
CoCreateGuid
StringFromCLSID
CoFreeUnusedLibraries
CoGetMalloc
StringFromGUID2
CLSIDFromString
CoInitialize
CoInitializeSecurity
CoCreateInstance
CoTaskMemAlloc
CoUninitialize
CoTaskMemFree
CoInitializeEx
oleaut32
SysFreeString
SysAllocStringLen
GetErrorInfo
VariantInit
SysStringLen
SysAllocString
vssapi
?OnPreRestore@CVssWriter@@UAG_NPAVIVssWriterComponents@@@Z
?OnBackupComplete@CVssWriter@@UAG_NPAVIVssWriterComponents@@@Z
?OnPrepareBackup@CVssWriter@@UAG_NPAVIVssWriterComponents@@@Z
??1CVssWriter@@UAE@XZ
??0CVssWriter@@QAE@XZ
ord2
ord1
?Subscribe@CVssWriter@@QAGJK@Z
?OnPostRestore@CVssWriter@@UAG_NPAVIVssWriterComponents@@@Z
?Unsubscribe@CVssWriter@@QAGJXZ
?IsPathAffected@CVssWriter@@IBG_NPBG@Z
?SetWriterFailure@CVssWriter@@IAGJJ@Z
?OnContinueIOOnVolume@CVssWriter@@UAG_NPAGU_GUID@@1@Z
?OnVSSShutdown@CVssWriter@@UAG_NXZ
?OnVSSApplicationStartup@CVssWriter@@UAG_NXZ
?OnBackOffIOOnVolume@CVssWriter@@UAG_NPAGU_GUID@@1@Z
?OnPostSnapshot@CVssWriter@@UAG_NPAVIVssWriterComponents@@@Z
?Initialize@CVssWriter@@QAGJU_GUID@@PBGW4VSS_USAGE_TYPE@@W4VSS_SOURCE_TYPE@@W4_VSS_APPLICATION_LEVEL@@KW4VSS_ALTERNATE_WRITER_STATE@@_N@Z
netapi32
NetLocalGroupGetMembers
NetApiBufferFree
msvcp60
??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@ABV01@@Z
??1?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@XZ
??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@ABV?$allocator@G@1@@Z
??9std@@YA_NPBGABV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@@Z
?c_str@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEPBGXZ
??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@PBGABV?$allocator@G@1@@Z
??4?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@ABV01@@Z
??Y?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@ABV01@@Z
?compare@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEHPBG@Z
??8std@@YA_NPBGABV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@@Z
??8std@@YA_NABV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@PBG@Z
?compare@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QBEHABV12@@Z
??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@PBGABV10@@Z
??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@ABV10@PBG@Z
??Hstd@@YA?AV?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@0@ABV10@0@Z
??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@PBGIABV?$allocator@G@1@@Z
??4?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@PBG@Z
??Y?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEAAV01@PBG@Z
Exports
Exports
??0CVssSqlWriterWrapper@@QAE@XZ
??1CVssSqlWriterWrapper@@QAE@XZ
?CreateSqlWriter@CVssSqlWriterWrapper@@QAEJXZ
?DestroySqlWriter@CVssSqlWriterWrapper@@QAEXXZ
Sections
.text Size: 249KB - Virtual size: 248KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA