D:\rc_bugfix_master_v12_2403_branch\Build\Release\WPSOffice\office6\KsoPost.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-01_b883ab48664f1580c25378cdd19e0411_avoslocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_b883ab48664f1580c25378cdd19e0411_avoslocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_b883ab48664f1580c25378cdd19e0411_avoslocker
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Size
2.6MB
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MD5
b883ab48664f1580c25378cdd19e0411
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SHA1
e10484ebaa078ca09f484987e3209d25c7398986
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SHA256
6940d13d8615d9c9abbc53ca7e924c37a700784eadd78dfc2cafbdee43cb77f4
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SHA512
2fe3429e851d608a58d6cb03c0c6d3f7f9635b57db27a98ba3af4ac83cc731875e7daef38fec3df6ee2a6992886ed1fb79001d1ca0346d75e27602997004f619
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SSDEEP
49152:nQ/2/q3FCmO8dPmRECsaPLbteW24DAyPQVQgwl0Ns/dpDmg27RnWGj:Q/2/OCmddPmRExaPvcW24D1qQgwl0NOW
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-01_b883ab48664f1580c25378cdd19e0411_avoslocker
Files
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2024-05-01_b883ab48664f1580c25378cdd19e0411_avoslocker.exe windows:5 windows x86 arch:x86
942ac821d11fe19c2cb189bfde756969
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
kernel32
OutputDebugStringW
GetModuleHandleW
lstrcmpW
lstrcpyA
lstrcatA
lstrlenA
WideCharToMultiByte
FindClose
FindFirstFileW
FindNextFileW
GetSystemDirectoryW
LoadResource
LockResource
SizeofResource
FindResourceW
lstrcatW
lstrlenW
MultiByteToWideChar
GetLastError
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetModuleFileNameW
DecodePointer
RaiseException
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
GetSystemInfo
VirtualProtect
VirtualQuery
FreeLibrary
GetProcAddress
LoadLibraryExA
VerSetConditionMask
SetEnvironmentVariableW
CloseHandle
LoadLibraryW
VerifyVersionInfoW
GetFileAttributesW
GetPrivateProfileIntW
GetPrivateProfileStringW
GetUserDefaultUILanguage
CreateFileW
Sleep
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
InitializeCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GlobalAlloc
GlobalReAlloc
GlobalLock
GlobalHandle
GlobalUnlock
GlobalFree
LocalAlloc
LocalReAlloc
LocalFree
OutputDebugStringA
EncodePointer
SetLastError
GetCurrentThreadId
GetModuleHandleA
LoadLibraryExW
LoadLibraryA
GlobalDeleteAtom
GlobalAddAtomW
GlobalFindAtomW
CompareStringW
GetThreadLocale
MulDiv
GlobalSize
FormatMessageW
CopyFileW
SetEvent
WaitForSingleObject
CreateEventW
SetThreadPriority
ResumeThread
GetVersionExW
lstrcmpA
WritePrivateProfileStringW
FileTimeToLocalFileTime
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GlobalFlags
GlobalGetAtomNameW
GetLocaleInfoW
GetSystemDefaultUILanguage
GetFileTime
GetFullPathNameW
GetTempFileNameW
DeleteFileW
FlushFileBuffers
GetFileSize
GetVolumeInformationW
LockFile
ReadFile
SetEndOfFile
SetFilePointer
UnlockFile
WriteFile
DuplicateHandle
lstrcmpiW
GetTickCount
GetCurrentDirectoryW
lstrcpyW
FindResourceExW
GetFileAttributesExW
GetFileSizeEx
SetErrorMode
GetWindowsDirectoryW
GetTempPathW
GetProfileIntW
SearchPathW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetStringTypeW
QueryPerformanceFrequency
LCMapStringW
GetCPInfo
RtlUnwind
GetCommandLineA
GetCommandLineW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
VirtualAlloc
HeapQueryInformation
SetStdHandle
GetFileType
GetStdHandle
ExitProcess
GetTimeZoneInformation
GetConsoleCP
GetConsoleMode
ReadConsoleW
SetFilePointerEx
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
WriteConsoleW
GetThreadTimes
oledlg
OleUIBusyW
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 348KB - Virtual size: 347KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 25KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 43KB - Virtual size: 43KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 708KB - Virtual size: 712KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE