virussign[.]com_a3f685c6f412f932b4b6a119b6e21dc9[.]vir

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General

Target
virussign.com_a3f685c6f412f932b4b6a119b6e21dc9.vir
Size 1.9MB
Sample240303-mar7baha5v
SHA256 efe3c13cc401c466191f24c569ed5306b395f47dd19dd817f2893ec7001df508
MD5 a3f685c6f412f932b4b6a119b6e21dc9
SHA1 bc23477e8a53b27c1bdacbcd1e36a088f3b506a7
SHA512 895f358c3557a8a11de09cf0f576a8ee8347b45428a00266d3247a7dc10e6c48d1aaffec5b08dd68c1f2f1c783782adc63df3a92cd994887a54ae34ea47e44f0
SSDEEP 49152:5qLgVeNx5lJy9STofGKXpF9LeMphQH5uEegW+brV34X/dyk8l:0Nxbo9Ss9/5fiHJegl/N/L
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Signatures

Detects executables containing possible sandbox analysis VM usernames 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_EXE_SandboxUserNames

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
virussign.com_a3f685c6f412f932b4b6a119b6e21dc9.vir

File Explorer

virussign.com_a3f685c6f412f932b4b6a119b6e21dc9.vir

.exe 1.9MB

virussign.com_a3f685c6f412f932b4b6a119b6e21dc9.vir

IMPHASH 4e73db19151d1ed485c4843f251684e3
SHA256 efe3c13cc401c466191f24c569ed5306b395f47dd19dd817f2893ec7001df508
MD5 a3f685c6f412f932b4b6a119b6e21dc9
SHA1 bc23477e8a53b27c1bdacbcd1e36a088f3b506a7
SHA512 895f358c3557a8a11de09cf0f576a8ee8347b45428a00266d3247a7dc10e6c48d1aaffec5b08dd68c1f2f1c783782adc63df3a92cd994887a54ae34ea47e44f0
SSDEEP 49152:5qLgVeNx5lJy9STofGKXpF9LeMphQH5uEegW+brV34X/dyk8l:0Nxbo9Ss9/5fiHJegl/N/L
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Detects executables containing possible sandbox analysis VM usernames
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

19488

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

advapi32

RegOpenKeyExA RegQueryValueExA RegCloseKey RegSetValueExA RegConnectRegistryA OpenSCManagerA LockServiceDatabase OpenServiceA ChangeServiceConfigA StartServiceA CloseServiceHandle UnlockServiceDatabase EnumServicesStatusA ControlService DeleteService

shell32

FindExecutableA ShellExecuteA

mpr

WNetAddConnection2A WNetCancelConnection2A WNetOpenEnumA WNetEnumResourceA WNetCloseEnum WNetGetConnectionA

kernel32

GetDriveTypeA GetWindowsDirectoryA GetComputerNameA GetLastError Sleep GetModuleFileNameA GetLocalTime CreateThread OpenMutexA ReleaseMutex CreateMutexA CloseHandle GetVersionExA CreateFileA CreateFileMappingA MapViewOfFile WriteFile SetFilePointer FindFirstFileA FindNextFileA FindClose OpenProcess TerminateProcess CreateToolhelp32Snapshot Process32First Process32Next LoadLibraryA GetProcAddress FreeLibrary GetSystemTimeAsFileTime SetConsoleCtrlHandler GetStartupInfoA GetModuleHandleA VirtualAlloc VirtualQuery HeapCreate HeapDestroy HeapAlloc HeapReAlloc HeapFree HeapSize HeapValidate ExitProcess RtlUnwind GetFileType GetStdHandle GetCurrentProcess DuplicateHandle SetHandleCount GetCommandLineA GetEnvironmentStrings FreeEnvironmentStringsA UnhandledExceptionFilter GetTimeZoneInformation SetStdHandle DeleteFileA ReadFile SetEndOfFile

user32

GetWindowTextA GetWindowThreadProcessId EnumWindows

ws2_32

socket htonl htons bind recvfrom sendto WSAStartup WSACleanup inet_addr gethostbyname gethostbyaddr