updChrome[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

updChrome.exe
Size

10.3MB
MD5

ebf830587e4df50f0a886fe4bf05bda0
SHA1

3c0217098ca7b191d146b770eb366a9081187a66
SHA256

e669914a28ffc4b51c1f4e54efb0e9d6bd74a97fe293c7c8ba30b50ae4c508d6
SHA512

a90c26d81ca69687fc7136e9ce4ca8410ef9a217d81b9f2f3d4051bd5f32604d176951a8dc14a1b0bb0157770be745819fe3ef9d64dbd50a32034bee92593074
SSDEEP

196608:5v0YiLEnZdj72+W2xH/WUUWc1HoTqAqxcwN4ZRIGAk0kZB8hhC:GPwZVi+BPZwxcSZS63C

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
updChrome.exe

Files

updChrome.exe
.exe windows x64

68bb64046c4ae293fa9bf2c0c4917162

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CloseHandle
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
GetCurrentThreadId
GetLastError
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
RaiseException
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
GetSystemTimeAsFileTime
GetModuleHandleA
CreateEventA
GetModuleFileNameW
TerminateProcess
GetCurrentProcess
CreateToolhelp32Snapshot
Thread32First
GetCurrentProcessId
GetCurrentThreadId
OpenThread
Thread32Next
CloseHandle
SuspendThread
ResumeThread
WriteProcessMemory
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
GetProcessAffinityMask
SetProcessAffinityMask
GetCurrentThread
SetThreadAffinityMask
Sleep
LoadLibraryA
FreeLibrary
GetTickCount
SystemTimeToFileTime
FileTimeToSystemTime
GlobalFree
LocalAlloc
LocalFree
GetProcAddress
ExitProcess
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetModuleHandleW
LoadResource
MultiByteToWideChar
FindResourceExW
FindResourceExA
WideCharToMultiByte
GetThreadLocale
GetUserDefaultLCID
GetSystemDefaultLCID
EnumResourceNamesA
EnumResourceNamesW
EnumResourceLanguagesA
EnumResourceLanguagesW
EnumResourceTypesA
EnumResourceTypesW
CreateFileW
LoadLibraryW
GetLastError
FlushFileBuffers
WriteConsoleW
SetStdHandle
HeapReAlloc
FlsSetValue
GetCommandLineA
RaiseException
RtlPcToFileHeader
HeapFree
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
EncodePointer
FlsGetValue
FlsFree
SetLastError
FlsAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
DecodePointer
HeapAlloc
RtlUnwindEx
LCMapStringW
GetStringTypeW
SetHandleCount
GetStdHandle
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapSetInformation
GetVersion
HeapCreate
HeapDestroy
QueryPerformanceCounter
HeapSize
WriteFile
SetFilePointer
GetConsoleCP
GetConsoleMode
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_onexit
_wcsicmp
_wcsnicmp
abort
calloc
exit
fprintf
fputc
fputs
fputwc
free
fwprintf
fwrite
localeconv
malloc
memcpy
memset
realloc
signal
strcat
strcmp
strerror
strlen
strncmp
strstr
vfprintf
wcscat
wcscpy
wcslen
wcsncmp
wcsstr

user32

CharUpperBuffW

Sections

.text
Size: - Virtual size: 122KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 9.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 15KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.;D1
Size: - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.q<y
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.)g
Size: 10.0MB - Virtual size: 10.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 204B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 292KB - Virtual size: 292KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

68bb64046c4ae293fa9bf2c0c4917162

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

user32

Sections

.text Size: - Virtual size: 122KB

.data Size: - Virtual size: 9.6MB

.rdata Size: - Virtual size: 19KB

.pdata Size: - Virtual size: 6KB

.xdata Size: - Virtual size: 4KB

.bss Size: - Virtual size: 15KB

.idata Size: - Virtual size: 2KB

.CRT Size: - Virtual size: 96B

.tls Size: - Virtual size: 16B

.;D1 Size: - Virtual size: 3.7MB

.q<y Size: 2KB - Virtual size: 2KB

.)g Size: 10.0MB - Virtual size: 10.0MB

.reloc Size: 512B - Virtual size: 204B

.rsrc Size: 292KB - Virtual size: 292KB

.text
Size: - Virtual size: 122KB

.data
Size: - Virtual size: 9.6MB

.rdata
Size: - Virtual size: 19KB

.pdata
Size: - Virtual size: 6KB

.xdata
Size: - Virtual size: 4KB

.bss
Size: - Virtual size: 15KB

.idata
Size: - Virtual size: 2KB

.CRT
Size: - Virtual size: 96B

.tls
Size: - Virtual size: 16B

.;D1
Size: - Virtual size: 3.7MB

.q<y
Size: 2KB - Virtual size: 2KB

.)g
Size: 10.0MB - Virtual size: 10.0MB

.reloc
Size: 512B - Virtual size: 204B

.rsrc
Size: 292KB - Virtual size: 292KB