virussign[.]com_ba66596a28e543b2cfbadbe843581f99[.]vir

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General

Target
virussign.com_ba66596a28e543b2cfbadbe843581f99.vir
Size 136KB
Sample240303-nbf14saa75
SHA256 a2f3e1e8e07b0ffd2d51229f644694af61f7aedf46c9442b0efc074c7eb63143
MD5 ba66596a28e543b2cfbadbe843581f99
SHA1 aa32ba276929a3fbf2363cb20669671515b0b56d
SHA512 5df805b0d3ab12697649703ed8b752cf5ad02a464bb8f3aede93205118fb29ab195e63941879fa7b8068e43a6914fe85573d176b1a1fc0291c3e6e8ea90c995d
SSDEEP 3072:s714NCu3G8xBvN/9DpnFkkkkkk9cEsg3i/mjRrz3OT:s714zG8xBvN/tpzsg3i/GOT
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
virussign.com_ba66596a28e543b2cfbadbe843581f99.vir

File Explorer

virussign.com_ba66596a28e543b2cfbadbe843581f99.vir

.exe 136KB

virussign.com_ba66596a28e543b2cfbadbe843581f99.vir

IMPHASH 26babd76bbb7f9c516a338b0601b4c9f
SHA256 a2f3e1e8e07b0ffd2d51229f644694af61f7aedf46c9442b0efc074c7eb63143
MD5 ba66596a28e543b2cfbadbe843581f99
SHA1 aa32ba276929a3fbf2363cb20669671515b0b56d
SHA512 5df805b0d3ab12697649703ed8b752cf5ad02a464bb8f3aede93205118fb29ab195e63941879fa7b8068e43a6914fe85573d176b1a1fc0291c3e6e8ea90c995d
SSDEEP 3072:s714NCu3G8xBvN/9DpnFkkkkkk9cEsg3i/mjRrz3OT:s714zG8xBvN/tpzsg3i/GOT
MD5 SHA1 SHA512 SSDEEP

windows:1 windows x86 arch:x86

UPX dump on OEP (original entry point)
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

208896

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

wsock32

WSAGetLastError WSAStartup __WSAFDIsSet accept bind closesocket connect gethostbyname htonl htons inet_addr ioctlsocket listen recv select send socket

ole32

CoCreateInstance CLSIDFromString CoTaskMemFree CoInitialize CoUninitialize

oleaut32

SysAllocString

wininet

DeleteUrlCacheEntry FindFirstUrlCacheEntryA FindNextUrlCacheEntryA

kernel32

ExitProcess ExitThread ExpandEnvironmentStringsA FileTimeToLocalFileTime FileTimeToSystemTime FindClose FindFirstFileA FindNextFileA FreeLibrary GetCommandLineA GetCurrentProcessId GetCurrentThreadId GetExitCodeProcess GetExitCodeThread GetFileAttributesA GetFileSize GetFileTime GetLocalTime GetModuleFileNameA GetModuleHandleA CloseHandle GetProcAddress GetSystemDirectoryA GetTempPathA GetTickCount GetTimeZoneInformation GetVersion GetVersionExA GetWindowsDirectoryA GlobalMemoryStatus CopyFileA InterlockedIncrement IsBadReadPtr IsBadWritePtr LoadLibraryA CreateDirectoryA LocalAlloc LocalFree OpenFile OpenMutexA OpenProcess PeekNamedPipe CreateFileA ReadFile RemoveDirectoryA RtlUnwind SetFileAttributesA SetFilePointer CreateMutexA Sleep TerminateProcess TerminateThread CreatePipe VirtualQuery CreateProcessA WaitForSingleObject WideCharToMultiByte WinExec WriteFile lstrlenA lstrlenW CreateThread DeleteFileA

user32

GetWindowTextA GetWindowRect FindWindowA GetWindow IsWindowVisible GetClassNameA GetForegroundWindow LoadCursorA SetTimer KillTimer RegisterClassA GetMessageA CreateDesktopA SetThreadDesktop GetThreadDesktop TranslateMessage DispatchMessageA SendMessageA CharUpperBuffA OemToCharA PostQuitMessage ShowWindow CreateWindowExA DestroyWindow DefWindowProcA

gdi32

GetStockObject DeleteObject

advapi32

RegCreateKeyExA RegCloseKey RegOpenKeyExA RegQueryValueExA RegSetValueExA GetSecurityInfo SetSecurityInfo SetEntriesInAclA

crtdll

_itoa __GetMainArgs _sleep _strcmpi _stricmp atoi exit memcpy memset raise rand signal sprintf srand sscanf strcat strchr strncmp