avast_free_antivirus_setup_online[.]exe

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General

Target
avast_free_antivirus_setup_online.exe
Size 257KB
Sample240303-adbyaaba56
SHA256 8e7a0700e64507ba63c53f2df803fbf233c10b81f2286ae19b8fbbaedd55b01b
MD5 c0e1effcc808c70af98070ad3d81f7dd
SHA1 9eeaa7fe2cd61dc7202a81debfbad307f36d43d9
SHA512 2808973b36691c3d91063f0e90226bea4c3f8f13f87674366a8f74dd3ec8418caad1d876a254b45afab3a9e8c53a5e7edd589ef6f620d0ef66123df7c2f9460d
SSDEEP 3072:K2RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhAn+T7:K0KgGwHqwOOELha+sm2D2+Uhngu1F1
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

File Explorer

avast_free_antivirus_setup_online.exe

.exe 257KB

avast_free_antivirus_setup_online.exe

IMPHASH 79b68a12e4eb6aa0c59dd1289006924f
SHA256 8e7a0700e64507ba63c53f2df803fbf233c10b81f2286ae19b8fbbaedd55b01b
MD5 c0e1effcc808c70af98070ad3d81f7dd
SHA1 9eeaa7fe2cd61dc7202a81debfbad307f36d43d9
SHA512 2808973b36691c3d91063f0e90226bea4c3f8f13f87674366a8f74dd3ec8418caad1d876a254b45afab3a9e8c53a5e7edd589ef6f620d0ef66123df7c2f9460d
SSDEEP 3072:K2RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhAn+T7:K0KgGwHqwOOELha+sm2D2+Uhngu1F1
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Digest

9d:a2:3e:d4:64:f3:ad:a9:aa:00:03:ad:96:45:2c:57:ea:1b:5e:a0:2c:bd:b7:3b:8e:40:64:24:87:55:48:2f

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=Avast Software s.r.o.,O=Avast Software s.r.o.,L=Praha,C=CZ

Chains

Mar 3, 2024

CN=Avast Software s.r.o.,O=Avast Software s.r.o.,L=Praha,C=CZ

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

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

CN=Avast Software s.r.o.,O=Avast Software s.r.o.,L=Praha,C=CZ

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

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

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

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=Avast Software s.r.o.,O=Avast Software s.r.o.,L=Praha,C=CZ

Serial Number

01:5a:6b:ec:4d:7f:54:9f:e5:25:c8:52:df:67:0e:13

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Jan 16, 2023 - Jan 15, 2026

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Serial Number

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Jul 14, 2023 - Oct 13, 2034

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 23, 2022 - Mar 22, 2037

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

4128

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

C:\BUILD\work\8b0ebd312dc47f30\projects\avast\microstub\x86\Release\microstub.pdb

kernel32

SetLastError Sleep GetFileSizeEx WriteFile SetEndOfFile SetFilePointerEx LocalFree CloseHandle MapViewOfFile UnmapViewOfFile CreateFileMappingW EnumResourceNamesW GetWindowsDirectoryW CreateDirectoryW CreateFileW CreateThread GetSystemTimeAsFileTime GetNativeSystemInfo lstrcatA lstrlenA GetVersionExA GetCurrentProcess GetExitCodeProcess ResumeThread ReleaseMutex WaitForSingleObject CreateMutexW CreateProcessW GetPrivateProfileIntW GetPrivateProfileStringW GetDiskFreeSpaceExW CopyFileW MoveFileExW CreateHardLinkW HeapAlloc GetProcessHeap HeapSetInformation ExitProcess IsProcessorFeaturePresent lstrcpyW GetModuleHandleW GetSystemDirectoryW SetDllDirectoryW InterlockedExchange LockResource WriteConsoleW FlushFileBuffers GetConsoleMode GetConsoleCP SetStdHandle LCMapStringW FreeEnvironmentStringsW GetEnvironmentStringsW GetCPInfo GetOEMCP IsValidCodePage FindNextFileW FindFirstFileExW GetLastError HeapFree InterlockedExchangeAdd GetVersionExW FindResourceW LoadLibraryW SizeofResource LoadResource GlobalFree GlobalUnlock GlobalLock FindClose GetFileType GetStringTypeW GlobalAlloc FreeLibrary RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA LoadLibraryA DecodePointer GetVersion HeapDestroy HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount DeleteCriticalSection DeviceIoControl GetVolumeNameForVolumeMountPointW GetVolumePathNameW MultiByteToWideChar WideCharToMultiByte EnterCriticalSection LeaveCriticalSection SetEvent ResetEvent WaitForSingleObjectEx CreateEventW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId InitializeSListHead IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW TerminateProcess OutputDebugStringW RtlUnwind EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW GetCommandLineA GetCommandLineW GetStdHandle GetModuleFileNameW GetModuleHandleExW GetACP GetProcAddress

user32

GetMessageW TranslateMessage DispatchMessageW SendMessageW AllowSetForegroundWindow PostMessageW wsprintfA LoadStringW MessageBoxExW wsprintfW SystemParametersInfoW IsDialogMessageW LoadImageW DestroyIcon FindWindowW FillRect GetWindowRect InvalidateRect EndPaint BeginPaint ReleaseDC GetDC SetForegroundWindow GetSystemMetrics KillTimer SetTimer SetFocus SetWindowPos DestroyWindow CreateWindowExW RegisterClassExW PostQuitMessage DefWindowProcW

gdi32

GetTextExtentPoint32W GetObjectW CreateDIBSection SelectObject CreateFontIndirectW DeleteObject CreateSolidBrush CreatePatternBrush

advapi32

CryptDestroyHash CryptHashData CryptCreateHash CryptGenRandom CryptGetHashParam CryptReleaseContext CryptAcquireContextA GetSidSubAuthorityCount GetSidSubAuthority IsValidSid GetTokenInformation OpenProcessToken ConvertStringSecurityDescriptorToSecurityDescriptorA

ole32

CoCreateInstance CreateStreamOnHGlobal CoUninitialize CoInitializeEx

comctl32

ord17

Name

.text

Size

134KB

Virtual Size

133KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

40KB

Virtual Size

40KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

512B

Virtual Size

76B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

61KB

Virtual Size

61KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

avast_free_antivirus_setup_online.exe

kernel32

user32

gdi32

advapi32

ole32

comctl32

generic