VisualStudioSetup[.]exe

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General

Target
VisualStudioSetup.exe
Size 5.4MB
Sample260805-jgbw5asamb
SHA256 777da97e680548f568cd1f453f56aa64a7a8e69315953cec322683c9657b3a70
MD5 722dd853f2a48171a2a77b8a0235b57f
SHA1 06069c3caf7c4aa2fd48aa2c7aac17d91093f630
SHA512 9c061135cb8d109aab68a226340dbd0c1497c4700b6e07de58fc35bfb8e3e3a6bee1372ed5d08895ec07c3f75b95497909d3397a2d3f9b82690f087fd232bd83
SSDEEP 98304:F6rWd1/G6t0xTzhUWRyGuAm+pFEd2ABHrnLuAPnJtQNas1w:F6aveh1jEd2ABLnKSJtts1w
TLSH
T1C4463321B954C43BD9638A324268D5259A7E5A221F25ECCBB3E06EB3ED355D04F33C63
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

File Explorer

VisualStudioSetup.exe

.exe 5.4MB

VisualStudioSetup.exe

IMPHASH 9551db1dbae5640afb4369772076ad74
SHA256 777da97e680548f568cd1f453f56aa64a7a8e69315953cec322683c9657b3a70
MD5 722dd853f2a48171a2a77b8a0235b57f
SHA1 06069c3caf7c4aa2fd48aa2c7aac17d91093f630
SHA512 9c061135cb8d109aab68a226340dbd0c1497c4700b6e07de58fc35bfb8e3e3a6bee1372ed5d08895ec07c3f75b95497909d3397a2d3f9b82690f087fd232bd83
SSDEEP 98304:F6rWd1/G6t0xTzhUWRyGuAm+pFEd2ABHrnLuAPnJtQNas1w:F6aveh1jEd2ABLnKSJtts1w
TLSH
T1C4463321B954C43BD9638A324268D5259A7E5A221F25ECCBB3E06EB3ED355D04F33C63
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

PE Signature issue

Digest

00:b4:01:74:b5:fc:39:3b:27:2d:35:a5:e9:e3:95:db:65:df:c9:ba:2c:40:36:b6:31:df:8f:e2:53:af:26:35

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

NO CERTIFICATE

Chains

Jan 1, 0001

Digest

00:b4:01:74:b5:fc:39:3b:27:2d:35:a5:e9:e3:95:db:65:df:c9:ba:2c:40:36:b6:31:df:8f:e2:53:af:26:35

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

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

Chains

Jul 23, 2026

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

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Subject

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

Serial Number

33:00:00:02:1c:fa:cd:c5:9b:e8:2f:7e:c4:00:00:00:00:02:1c

Issuer

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Apr 16, 2026 - Apr 15, 2027

Subject

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

Serial Number

33:00:00:00:39:3b:b6:37:19:bf:06:1d:67:00:00:00:00:00:39

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Aug 8, 2024 - Mar 22, 2036

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=nShield TSS ESN:6F1A-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:1c:09:55:15:d7:c3:59:07:d1:00:01:00:00:02:1c

Issuer

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Aug 14, 2025 - Nov 13, 2026

Subject

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:15:c5:e7:6b:9e:02:9b:49:99:00:00:00:00:00:15

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

Major OS version

Entry point

124880

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

D:\a\_work\1\s\bin\BoxStub\Release\Win32\boxstub.pdb

ole32

CoInitializeEx

comctl32

ord17

rpcrt4

RpcStringFreeW UuidToStringW UuidCreate

shell32

CommandLineToArgvW SHBrowseForFolderW SHGetPathFromIDListW ShellExecuteExW

shlwapi

PathRemoveExtensionW

user32

PostQuitMessage SetWindowTextW GetDlgItem DialogBoxParamW GetWindowLongW SendMessageW GetWindow GetWindowThreadProcessId GetTopWindow MessageBoxW SetWindowLongW PostMessageW LoadStringW EndDialog

advapi32

RegQueryValueExW RegOpenKeyExW DecryptFileW CryptReleaseContext CryptGenRandom CryptAcquireContextW RegCloseKey

kernel32

ResetEvent InitializeCriticalSection GetSystemInfo FileTimeToSystemTime WaitForMultipleObjects FileTimeToDosDateTime FileTimeToLocalFileTime GlobalFree GlobalAlloc SetCurrentDirectoryW GetCurrentDirectoryW RemoveDirectoryW GetFileAttributesW DeleteFileW VirtualQuery LoadLibraryExA ExitThread MoveFileExW CreateEventA RaiseException GetModuleHandleW GetTickCount64 SetEnvironmentVariableW GetLastError ExpandEnvironmentStringsW Sleep GetProcessId WaitForSingleObject GetExitCodeProcess CloseHandle SetFileAttributesW InitializeCriticalSectionAndSpinCount CreateEventW CreateThread DeleteCriticalSection EnterCriticalSection LeaveCriticalSection SetEvent GetCommandLineW lstrlenW CompareStringW LocalFree CreateDirectoryW LoadLibraryW GetProcAddress GetSystemDirectoryW SetDefaultDllDirectories FreeLibrary SystemTimeToTzSpecificLocalTime GetSystemTime GetTimeZoneInformation FormatMessageW lstrlenA ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent GetStartupInfoW RtlUnwind SetLastError EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW FreeLibraryAndExitThread GetStdHandle WriteFile GetModuleFileNameW ExitProcess GetModuleHandleExW HeapFree HeapAlloc GetFileType GetTempPathW FlsAlloc FlsGetValue FlsSetValue FlsFree InitializeCriticalSectionEx VirtualProtect LCMapStringW FindClose FindFirstFileExW FindNextFileW IsValidCodePage GetACP GetOEMCP GetCPInfo GetCommandLineA MultiByteToWideChar WideCharToMultiByte GetEnvironmentStringsW FreeEnvironmentStringsW SetStdHandle GetStringTypeW GetProcessHeap GetFileSizeEx SetFilePointerEx FlushFileBuffers GetConsoleOutputCP GetConsoleMode HeapSize HeapReAlloc ReadFile DecodePointer CreateFileW WriteConsoleW DuplicateHandle FindFirstFileW SetEndOfFile SetFilePointer DosDateTimeToFileTime LocalFileTimeToFileTime SetFileTime CreateFileA GetVersionExW GetLocalTime GetComputerNameW

oleaut32

SysAllocString VariantClear

Name

.text

Size

229KB

Virtual Size

229KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

512B

Virtual Size

44B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fptable

Size

512B

Virtual Size

128B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.boxld01

Size

512B

Virtual Size

188B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

86KB

Virtual Size

86KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

VisualStudioSetup.exe

PE Signature issue

ole32

comctl32

rpcrt4

shell32

shlwapi

user32

advapi32

kernel32

oleaut32

generic