e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04

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General

Target
e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04
Size 3.3MB
Sample260812-kyevsadn2w
SHA256 e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04
MD5 7c0b4f093f7202dcf3c58aa5674d2a8c
SHA1 d2ecda656bbfdd23bec98902f25cc39e0bdd9336
SHA512 76961050733f67623d76c6de5f145ddd2205f84440c4136c2fca46b2c01de5445b280c456e0821a028ac75146b6725b4fdaa5a5738ea73126ca9dcbd7deb037d
SSDEEP 98304:7q/mb3muSvkFl15i6666666666666666666666666666666x666666666666666L:7q/emAlH/v6
TLSH
T173F58D02F843A075D58651B5AD3DBB3A5B241A0D8BF189E3F3D4ACE06FB51C07635A8E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04

File Explorer

e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04

.exe 3.3MB

e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04

IMPHASH 82d43f5a97a0eaa97e44d5ea8dd78964
SHA256 e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04
MD5 7c0b4f093f7202dcf3c58aa5674d2a8c
SHA1 d2ecda656bbfdd23bec98902f25cc39e0bdd9336
SHA512 76961050733f67623d76c6de5f145ddd2205f84440c4136c2fca46b2c01de5445b280c456e0821a028ac75146b6725b4fdaa5a5738ea73126ca9dcbd7deb037d
SSDEEP 98304:7q/mb3muSvkFl15i6666666666666666666666666666666x666666666666666L:7q/emAlH/v6
TLSH
T173F58D02F843A075D58651B5AD3DBB3A5B241A0D8BF189E3F3D4ACE06FB51C07635A8E
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

61:58:4c:27:e9:26:3a:fe:d8:e1:2a:0a:a2:d3:09:80:a3:ca:3b:9f:56:90:0f:4d:a6:ca:09:6f:6c:5f:b9:d8

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

SERIALNUMBER=916 368 127,CN=Opera Software AS,O=Opera Software AS,L=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

Chains

Mar 4, 2021

SERIALNUMBER=916 368 127,CN=Opera Software AS,O=Opera Software AS,L=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Subject

SERIALNUMBER=916 368 127,CN=Opera Software AS,O=Opera Software AS,L=Oslo,C=NO,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024e4f

Serial Number

05:f4:21:0d:b2:b2:83:a3:2f:f2:ae:d2:9f:cb:68:a4

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Jun 17, 2019 - Jun 17, 2022

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Apr 18, 2012 - Apr 18, 2027

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Serial Number

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jan 1, 2021 - Jan 6, 2031

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jan 7, 2016 - Jan 7, 2031

Minor OS version

Major OS version

Entry point

2375104

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

browser_assistant.exe.pdb

advapi32

AccessCheck AdjustTokenPrivileges AllocateAndInitializeSid BuildExplicitAccessWithNameW BuildSecurityDescriptorW CheckTokenMembership ConvertStringSecurityDescriptorToSecurityDescriptorW CreateProcessAsUserW CryptAcquireContextW CryptCreateHash CryptDestroyHash CryptGenRandom CryptGetHashParam CryptHashData CryptReleaseContext DuplicateToken EqualSid EventRegister EventUnregister EventWrite FreeSid GetExplicitEntriesFromAclW GetNamedSecurityInfoW GetTokenInformation GetUserNameW ImpersonateNamedPipeClient LookupPrivilegeValueW OpenProcessToken RegCloseKey RegCreateKeyExW RegDeleteKeyExW RegDeleteKeyW RegDeleteValueA RegDeleteValueW RegEnumKeyExW RegEnumValueW RegGetKeySecurity RegNotifyChangeKeyValue RegOpenKeyExW RegQueryInfoKeyW RegQueryValueExA RegQueryValueExW RegSetValueExA RegSetValueExW RevertToSelf SetEntriesInAclW SetNamedSecurityInfoW SystemFunction036

gdi32

CreateRectRgn GetStockObject

oleaut32

SysAllocString SysFreeString VarUI4FromStr VariantClear VariantCopy

shell32

CommandLineToArgvW SHAssocEnumHandlersForProtocolByApplication SHChangeNotify SHCreateAssociationRegistration SHGetFolderPathW SHGetKnownFolderPath SHOpenWithDialog SHQueryUserNotificationState ShellExecuteExW Shell_NotifyIconW

shlwapi

PathMatchSpecW SHDeleteKeyW

user32

AllowSetForegroundWindow CharNextW CharUpperW CreatePopupMenu CreateWindowExW DefWindowProcW DestroyMenu DestroyWindow DispatchMessageW EnableWindow FindWindowExW FindWindowW GetClientRect GetDesktopWindow GetForegroundWindow GetMessageW GetQueueStatus GetWindowLongW InsertMenuItemW KillTimer LoadIconW MessageBoxW MsgWaitForMultipleObjectsEx PeekMessageW PostMessageW PostQuitMessage RegisterClassExW RegisterClassW SendInput SendNotifyMessageW SetForegroundWindow SetTimer SetWindowLongW SetWindowPos SetWindowRgn SystemParametersInfoW TrackPopupMenuEx TranslateMessage UnregisterClassW WaitForInputIdle wsprintfW

version

GetFileVersionInfoSizeW GetFileVersionInfoW VerQueryValueW

wininet

HttpOpenRequestW HttpQueryInfoW HttpSendRequestW InternetCloseHandle InternetConnectW InternetOpenW

ws2_32

WSACleanup WSAGetLastError WSAIoctl WSASetLastError WSAStartup __WSAFDIsSet bind closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt htons ioctlsocket ntohs recv select send setsockopt socket

kernel32

AcquireSRWLockExclusive AcquireSRWLockShared AssignProcessToJobObject CallbackMayRunLong CloseHandle CloseThreadpool CloseThreadpoolWork CompareStringW ConnectNamedPipe CopyFileW CreateDirectoryW CreateEventW CreateFileA CreateFileMappingW CreateFileW CreateIoCompletionPort CreateMutexW CreateNamedPipeW CreatePipe CreateProcessW CreateSemaphoreW CreateThread CreateThreadpool CreateThreadpoolWork DecodePointer DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DeviceIoControl DisconnectNamedPipe DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesW ExitProcess ExitThread ExpandEnvironmentStringsA ExpandEnvironmentStringsW FileTimeToSystemTime FindClose FindFirstFileExW FindNextFileW FindResourceExW FindResourceW FlushFileBuffers FlushViewOfFile FormatMessageA FreeEnvironmentStringsW FreeLibrary FreeLibraryAndExitThread GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetDiskFreeSpaceExW GetDriveTypeW GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesExW GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileSizeEx GetFileTime GetFileType GetFullPathNameW GetHandleInformation GetLastError GetLocalTime GetLocaleInfoW GetLogicalDrives GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetOEMCP GetProcAddress GetProcessHandleCount GetProcessHeap GetProcessId GetProcessTimes GetProductInfo GetQueuedCompletionStatus GetStartupInfoW GetStdHandle GetStringTypeW GetSystemDefaultLCID GetSystemDirectoryW GetSystemInfo GetSystemPowerStatus GetSystemTimeAsFileTime GetTempPathW GetThreadContext GetThreadId GetThreadLocale GetThreadPreferredUILanguages GetThreadPriority GetTickCount64 GetTickCount GetTimeFormatW GetTimeZoneInformation GetUserDefaultLCID GetVersion GetVersionExW GetWindowsDirectoryW GlobalMemoryStatusEx HeapAlloc HeapFree HeapReAlloc HeapSize InitOnceExecuteOnce InitializeConditionVariable InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeProcThreadAttributeList InitializeSListHead InitializeSRWLock IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale IsWow64Process K32GetPerformanceInfo K32GetProcessMemoryInfo LCMapStringW LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LoadResource LocalAlloc LocalFree LockFileEx LockResource MapViewOfFile MoveFileExW MoveFileW MultiByteToWideChar OpenEventW OpenMutexW OpenProcess OutputDebugStringA OutputDebugStringW PeekNamedPipe PostQueuedCompletionStatus QueryFullProcessImageNameW QueryPerformanceCounter QueryPerformanceFrequency QueryThreadCycleTime RaiseException ReadConsoleW ReadFile ReadProcessMemory RegisterWaitForSingleObject ReleaseMutex ReleaseSRWLockExclusive ReleaseSRWLockShared ReleaseSemaphore RemoveDirectoryW ReplaceFileW ResetEvent ResumeThread RtlCaptureStackBackTrace RtlUnwind SetConsoleCtrlHandler SetCurrentDirectoryW SetEndOfFile SetEnvironmentVariableW SetEvent SetFileAttributesW SetFileInformationByHandle SetFilePointerEx SetHandleInformation SetLastError SetNamedPipeHandleState SetProcessShutdownParameters SetStdHandle SetThreadPriority SetThreadpoolThreadMaximum SetThreadpoolThreadMinimum SetUnhandledExceptionFilter SizeofResource Sleep SleepConditionVariableSRW SleepEx SubmitThreadpoolWork SuspendThread SystemTimeToFileTime SystemTimeToTzSpecificLocalTime TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TransactNamedPipe TryAcquireSRWLockExclusive TzSpecificLocalTimeToSystemTime UnhandledExceptionFilter UnlockFileEx UnmapViewOfFile UnregisterWaitEx UpdateProcThreadAttribute VerSetConditionMask VerifyVersionInfoW VirtualFree VirtualProtect VirtualQuery VirtualQueryEx WaitForMultipleObjects WaitForSingleObject WaitForSingleObjectEx WaitForThreadpoolWorkCallbacks WaitNamedPipeW WakeAllConditionVariable WakeConditionVariable WideCharToMultiByte WriteConsoleW WriteFile lstrcmpiW

ole32

CoAllowSetForegroundWindow CoCreateInstance CoInitializeEx CoInitializeSecurity CoRegisterInitializeSpy CoRevokeInitializeSpy CoSetProxyBlanket CoTaskMemAlloc CoTaskMemFree CoTaskMemRealloc CoUninitialize IIDFromString OleCreate OleInitialize OleSetContainedObject OleUninitialize StringFromGUID2

crypt32

CertAddCertificateContextToStore CertCloseStore CertCreateCertificateChainEngine CertFindCertificateInStore CertFreeCertificateChain CertFreeCertificateChainEngine CertFreeCertificateContext CertGetCertificateChain CertGetNameStringW CertOpenStore CryptQueryObject CryptStringToBinaryW

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

winmm

timeBeginPeriod timeEndPeriod timeGetTime

dbghelp

MiniDumpWriteDump

winhttp

WinHttpAddRequestHeaders WinHttpCloseHandle WinHttpConnect WinHttpCrackUrl WinHttpOpen WinHttpOpenRequest WinHttpQueryHeaders WinHttpReadData WinHttpReceiveResponse WinHttpSendRequest WinHttpSetTimeouts WinHttpWriteData

Name

.text

Size

2.4MB

Virtual Size

2.4MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

566KB

Virtual Size

565KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

12KB

Virtual Size

27KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.00cfg

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rodata

Size

512B

Virtual Size

128B

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

161B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.voltbl

Size

512B

Virtual Size

348B

Characteristics

Name

CPADinfo

Size

512B

Virtual Size

48B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

129KB

Virtual Size

128KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

71KB

Virtual Size

71KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

e5d207c752d2a47da69a10631dbbdd8b4e30bd29a4fb72d8421749181f923a04

PE Signature issue

advapi32

gdi32

oleaut32

shell32

shlwapi

user32

version

wininet

ws2_32

kernel32

ole32

crypt32

userenv

winmm

dbghelp

winhttp

generic