AVGBrowserUpdateCore[.]exe

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General

Target

AVGBrowserUpdateCore.exe
Size

512KB
MD5

3185f1655a0ed89b116e20cc17b7dbd8
SHA1

27cbb7b977a8787923e84a0b1a357d33799a0f55
SHA256

18652c30096dc5189e78a1190706b780886e9a3ead60dc6f417470a6968104f3
SHA512

b964e7f2f1eefed3029f227d3b5188844ddde1a962e139e6010d31a1e904df7ff5aad6dd2a0a1677e3ef4e197df47cd252d42a76b346587b7659772b79149925
SSDEEP

12288:CQjngc7LQE78QMC8W5cSTskowTYfhlsgpX:CQjnn78ScSThowTYfXJX

Score

1^/10

Malware Config

Signatures

Files

AVGBrowserUpdateCore.exe
.exe windows:5 windows x86 arch:x86

d4dde45612453c31df30d6ff47f0268d

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fc
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

16/09/2022, 00:00

Not After

17/09/2025, 23:59

Subject

CN=AVG Technologies USA\, LLC,O=AVG Technologies USA\, LLC,L=Redwood City,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a0:3d:a5:f5:98:4a:46:ad:54:95:fb:60:b8:db:54:1a:2d:94:f6:4a:35:a4:fe:12:93:72:29:94:f7:5d:6f:74
Signer

Actual PE Digest

a0:3d:a5:f5:98:4a:46:ad:54:95:fb:60:b8:db:54:1a:2d:94:f6:4a:35:a4:fe:12:93:72:29:94:f7:5d:6f:74

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
CreateFileW
WriteConsoleW
CreateDirectoryW
SizeofResource
GetEnvironmentVariableW
WaitForSingleObject
ReleaseMutex
LockResource
DeleteFileW
FindResourceExW
LoadResource
FindResourceW
LocalFree
lstrcmpiW
GetTickCount
SetUnhandledExceptionFilter
VirtualQuery
Sleep
lstrlenW
SetFilePointer
GetFileAttributesExW
MoveFileExW
GetModuleHandleExW
GetTimeZoneInformation
EnumSystemLocalesW
CreateProcessW
GetPrivateProfileIntW
OutputDebugStringA
GetPrivateProfileStringW
GetLocalTime
lstrcmpW
VerSetConditionMask
VerifyVersionInfoW
TryEnterCriticalSection
InitializeCriticalSection
CreateMutexW
lstrcpynW
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
UnhandledExceptionFilter
ExitProcess
EncodePointer
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
RtlUnwind
SetLastError
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
WriteFile
GetStdHandle
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
CloseHandle
LeaveCriticalSection
EnterCriticalSection
OutputDebugStringW
IsDebuggerPresent
GetFileType
GetModuleFileNameW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
GetStringTypeExW
DebugBreak
VirtualProtect
GetModuleHandleW
GetProcessHeap
DeleteCriticalSection
GetProcAddress
HeapDestroy
DecodePointer
HeapAlloc
RaiseException
HeapReAlloc
GetLastError
HeapSize
InitializeCriticalSectionAndSpinCount
HeapFree
VirtualAlloc
InitializeCriticalSectionEx
LCMapStringEx
GetSystemInfo

ole32

CLSIDFromString
IIDFromString
StringFromGUID2
CoInitializeEx
CoUninitialize

user32

OpenClipboard
CloseClipboard
EmptyClipboard
SetClipboardData
MessageBoxW
wvsprintfW
wsprintfW
CharUpperW
CharLowerW
CharLowerBuffW
GetWindowLongW
AllowSetForegroundWindow
GetWindow
GetWindowRect
DestroyWindow
SetWindowPos
MonitorFromWindow
CreateWindowExW
GetMonitorInfoW
MapWindowPoints
GetParent
SetForegroundWindow
GetClientRect

advapi32

GetTokenInformation
MakeAbsoluteSD
MakeSelfRelativeSD
GetSecurityDescriptorLength
GetLengthSid
InitializeAcl
InitializeSecurityDescriptor
OpenProcessToken
AddAce
IsValidSid
GetSecurityDescriptorOwner
InitializeSid
CopySid
GetSecurityDescriptorControl
SetNamedSecurityInfoW
GetSidLengthRequired
GetSidSubAuthority
GetSecurityDescriptorGroup
EqualSid
GetAclInformation
GetSecurityDescriptorDacl
SetSecurityDescriptorDacl
GetSecurityDescriptorSacl
RegQueryValueExW
RegOpenKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceEvent

shell32

CommandLineToArgvW
SHGetFolderPathW
ShellExecuteExW

shlwapi

UrlUnescapeA
PathIsRelativeW
PathStripPathW
PathRemoveExtensionW
UrlUnescapeW
PathAppendW
PathCanonicalizeW
SHQueryValueExW
PathRemoveFileSpecW

userenv

UnloadUserProfile

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

Sections

.text
Size: 293KB - Virtual size: 293KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 124KB - Virtual size: 123KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d4dde45612453c31df30d6ff47f0268d

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fcCertificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

a0:3d:a5:f5:98:4a:46:ad:54:95:fb:60:b8:db:54:1a:2d:94:f6:4a:35:a4:fe:12:93:72:29:94:f7:5d:6f:74Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ole32

user32

advapi32

shell32

shlwapi

userenv

version

Sections

.text Size: 293KB - Virtual size: 293KB

.rdata Size: 124KB - Virtual size: 123KB

.data Size: 4KB - Virtual size: 17KB

.rsrc Size: 59KB - Virtual size: 58KB

.reloc Size: 16KB - Virtual size: 16KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

04:35:60:3f:7a:88:8a:e1:6c:05:b0:0f:15:3c:c6:fc
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

a0:3d:a5:f5:98:4a:46:ad:54:95:fb:60:b8:db:54:1a:2d:94:f6:4a:35:a4:fe:12:93:72:29:94:f7:5d:6f:74
Signer

.text
Size: 293KB - Virtual size: 293KB

.rdata
Size: 124KB - Virtual size: 123KB

.data
Size: 4KB - Virtual size: 17KB

.rsrc
Size: 59KB - Virtual size: 58KB

.reloc
Size: 16KB - Virtual size: 16KB