r843[.]exe | Triage™

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General

Target
r843.exe
Size 287KB
Sample260820-gybatafl7t
SHA256 4f92f1b658856b2662100c26dcd5f81525a74482b4fdebb16923ec27234f0a7e
MD5 656520f8a060f84253be72512beb3406
SHA1 4f3025e6b0053f462021519805a49eba5c019c91
SHA512 aad1ba930500ea578dd84febc8ce05d841d3c23ea72e276b74e9dc5d5ddd7f690ad386c77c22e5e3d27a19dbb691ce8f3e8fc674265edf75dbd34b5707737ac7
SSDEEP 6144:jknVrlmji8AypzUBAzL2oWAEqekzOqS0XmTUmpwnpD59+5NYAW:WVrlmjivy9VzRWAjaqhXmrINU5NYv
TLSH
T10E54CF05F7AA50ECE1778474C9554A62FB763E5643809B2F0360C772BF136A0BE29F61
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
r843.exe

File Explorer

r843.exe

.exe 287KB

r843.exe

IMPHASH 905d6e2fd95bb9d68bb959ec7e8cfb12
SHA256 4f92f1b658856b2662100c26dcd5f81525a74482b4fdebb16923ec27234f0a7e
MD5 656520f8a060f84253be72512beb3406
SHA1 4f3025e6b0053f462021519805a49eba5c019c91
SHA512 aad1ba930500ea578dd84febc8ce05d841d3c23ea72e276b74e9dc5d5ddd7f690ad386c77c22e5e3d27a19dbb691ce8f3e8fc674265edf75dbd34b5707737ac7
SSDEEP 6144:jknVrlmji8AypzUBAzL2oWAEqekzOqS0XmTUmpwnpD59+5NYAW:WVrlmjivy9VzRWAjaqhXmrINU5NYv
TLSH
T10E54CF05F7AA50ECE1778474C9554A62FB763E5643809B2F0360C772BF136A0BE29F61
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

67:85:1a:f7:74:5d:24:48:ef:93:fe:56:33:5a:88:29:88:ff:5e:0f:31:b3:ee:df:43:01:70:02:d2:54:b2:3a

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Jul 2, 2022

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

Major OS version

Entry point

30400

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

TerminateProcess CreateThread GetCurrentThreadId OpenThread FlushInstructionCache GetTickCount VirtualAlloc VirtualProtect VirtualFree GetModuleHandleA GetModuleHandleW GetProcAddress LoadLibraryA lstrlenW CreateToolhelp32Snapshot Thread32First Thread32Next CreateFileW GetFileSizeEx CreateFileMappingW MapViewOfFile UnmapViewOfFile InitOnceExecuteOnce FreeLibrary LoadLibraryExA RtlAddFunctionTable GetCommandLineW QueryPerformanceCounter WaitForSingleObject GetExitCodeThread GetSystemDirectoryA GetModuleFileNameW lstrcpynW lstrcpyW WideCharToMultiByte GetEnvironmentVariableW FindClose FindFirstFileW FindNextFileW GetDiskFreeSpaceExW GlobalMemoryStatusEx GetSystemInfo GetTickCount64 LoadLibraryW lstrcmpiW lstrcatW GetComputerNameW CreateDirectoryW DeleteFileW FileTimeToLocalFileTime WriteFile GetTempPathW GetExitCodeProcess GetSystemTimeAsFileTime CopyFileW ExitProcess MultiByteToWideChar GetLastError ProcessIdToSessionId GetTempFileNameW GetThreadContext SetThreadContext VirtualAllocEx WriteProcessMemory VirtualFreeEx GetDriveTypeW GetLogicalDrives GetVolumeInformationW GetProcessTimes GetSystemDirectoryW GetWindowsDirectoryW GetVersionExW GetTimeZoneInformation WTSGetActiveConsoleSessionId GetACP GetOEMCP GetLocaleInfoW GetConsoleCP InitializeCriticalSection EnterCriticalSection LeaveCriticalSection SetEvent CreateEventW GetUserDefaultLocaleName GetStdHandle ExpandEnvironmentStringsW DuplicateHandle QueryPerformanceFrequency LoadLibraryExW LoadResource LockResource SizeofResource FindResourceW MoveFileExW GetConsoleWindow WriteConsoleW GetConsoleMode GetConsoleOutputCP FlushFileBuffers SetStdHandle SetFilePointerEx RtlPcToFileHeader RaiseException EncodePointer HeapReAlloc GetCurrentProcessId GetCurrentProcess Sleep GetProcessHeap HeapFree HeapAlloc SetLastError FileTimeToSystemTime CloseHandle HeapSize GetStringTypeW GetCPInfo IsValidCodePage LCMapStringW InitializeCriticalSectionEx ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW RtlUnwindEx TlsGetValue TlsSetValue IsProcessorFeaturePresent GetModuleHandleExW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter DeleteCriticalSection FlsGetValue FlsSetValue

user32

DispatchMessageW GetSystemMetrics GetCursorPos wsprintfA MsgWaitForMultipleObjectsEx PeekMessageW TranslateMessage MessageBoxW wsprintfW GetAsyncKeyState SystemParametersInfoW GetDesktopWindow GetCaretBlinkTime GetWindowRect GetDoubleClickTime

advapi32

RegCloseKey GetTokenInformation OpenProcessToken RegQueryInfoKeyW RegOpenKeyExW GetUserNameW

comctl32

InitCommonControlsEx

shlwapi

PathFileExistsW StrCmpIW

uxtheme

IsAppThemed IsThemeActive

userenv

GetUserProfileDirectoryW

ole32

CoInitializeEx CoUninitialize

version

GetFileVersionInfoSizeW

Name

.text

Size

104KB

Virtual Size

104KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

52KB

Virtual Size

51KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

107KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

109KB

Virtual Size

109KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

r843.exe

PE Signature issue

kernel32

user32

advapi32

comctl32

shlwapi

uxtheme

userenv

ole32

version

generic