Behavioral task
behavioral1
Sample
updater.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
updater.exe
Resource
win10v2004-20231215-en
General
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Target
1af1b3672709b15ee55825e776d168744713f05ef9234b6f6df22333bb3a1641
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Size
5.1MB
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MD5
810c05c47d2ed3d01d3edfad922e0ea8
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SHA1
896c60e7c4298cdd91fdf3f4012cd55caf5553b8
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SHA256
1af1b3672709b15ee55825e776d168744713f05ef9234b6f6df22333bb3a1641
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SHA512
d1471a761bc9dcfcd81810140cb79b6e0f5cd2e420503a7efd5647ca2b276a3b5ab5ffc2a28afeb1678b8e9b761b8f4f55293bee45bac8b12cee3bba46d2b15a
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SSDEEP
98304:uf+2g50WbmvM3qwlxFbtZhJVzXlCQeDJD1LXEQqQEVNg3Vj6Ju+2tV8qtU8m+:u22UbmVoxFbtrJBxeDJD1LXelVNgFj3t
Malware Config
Signatures
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Detects Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/updater.exe pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/updater.exe
Files
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1af1b3672709b15ee55825e776d168744713f05ef9234b6f6df22333bb3a1641.zip
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updater.exe.exe windows:5 windows x86 arch:x86
22604f514dda14fc9e9e932cbc54e1b0
Headers
DLL Characteristics
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
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
SetConsoleCtrlHandler
FindClose
FindFirstFileExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
GetProcAddress
GetModuleFileNameW
SetDllDirectoryW
FreeLibrary
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RaiseException
GetCommandLineA
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindNextFileW
SetStdHandle
DeleteFileW
ReadFile
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
HeapFree
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
HeapReAlloc
GetFileAttributesExW
GetStringTypeW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
GetTimeZoneInformation
HeapSize
WriteConsoleW
DecodePointer
advapi32
ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
Sections
.text Size: 148KB - Virtual size: 147KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 55KB - Virtual size: 54KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 62KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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chrome.pyc