VisualStudioSetup[.]exe

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General

Target
VisualStudioSetup.exe
Size 5.5MB
Sample260415-whreesfv7r
SHA256 2c7e20bc79304e24740ce94ab066608772b71fe544e3a34ff658d4c2afc8045e
MD5 1429b9b29d01bcf19e9aa110bfd830d5
SHA1 ff1fd900ebd75a7710016e513f1286120580f047
SHA512 2f469310181e557d7246483f36e76d081268784892c1f958c3779684ce4e4681b25eb6ed3a01963304e704276fffc713c7b506a5029c1fb8453003c28ee4e2a0
SSDEEP 98304:J3ZAeNBjQEh/GEOb7KCjqQMeuMODcRxQHp2SfjpDak1d:JpTNBjhp6qGCwRxQHgSfFDaE
TLSH
T131463333BAC44437CD1108321AFCE98BB97DB5950F281ADFA3416B6E9F206C15D77A4A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

File Explorer

VisualStudioSetup.exe

.exe 5.5MB

VisualStudioSetup.exe

IMPHASH 5d68f21b97ead156474d1ef8898aae44
SHA256 2c7e20bc79304e24740ce94ab066608772b71fe544e3a34ff658d4c2afc8045e
MD5 1429b9b29d01bcf19e9aa110bfd830d5
SHA1 ff1fd900ebd75a7710016e513f1286120580f047
SHA512 2f469310181e557d7246483f36e76d081268784892c1f958c3779684ce4e4681b25eb6ed3a01963304e704276fffc713c7b506a5029c1fb8453003c28ee4e2a0
SSDEEP 98304:J3ZAeNBjQEh/GEOb7KCjqQMeuMODcRxQHp2SfjpDak1d:JpTNBjhp6qGCwRxQHgSfFDaE
TLSH
T131463333BAC44437CD1108321AFCE98BB97DB5950F281ADFA3416B6E9F206C15D77A4A
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

PE Signature issue

Digest

cd:04:38:b8:73:7f:c1:b4:41:84:ba:25:4d:37:ed:b3:30:2d:c2:7e:0b:a4:cf:aa:92:83:07:bd:42:e6:83:f3

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

NO CERTIFICATE

Chains

Jan 1, 0001

Digest

cd:04:38:b8:73:7f:c1:b4:41:84:ba:25:4d:37:ed:b3:30:2d:c2:7e:0b:a4:cf:aa:92:83:07:bd:42:e6:83:f3

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

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

Chains

Apr 10, 2026

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

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,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

33:00:00:04:85:5e:99:ec:0e:59:2f:cd:d7:00:00:00:00:04:85

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Jun 19, 2025 - Jun 17, 2026

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

61:0e:90:d2:00:00:00:00:00:03

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft America Operations+OU=nShield TSS ESN:A400-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:28:f0:a5:87:d7:f3:c8:1e:40:00:01:00:00:02:28

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Feb 19, 2026 - May 17, 2027

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

Revocation Status

Not revoked

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

Major OS version

Entry point

123488

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

GetSystemInfo FileTimeToSystemTime FileTimeToDosDateTime WaitForMultipleObjects MoveFileExW GlobalFree SetCurrentDirectoryW GetCurrentDirectoryW RemoveDirectoryW GetFileAttributesW DeleteFileW VirtualQuery LoadLibraryExA ExitThread GlobalAlloc CreateEventA FileTimeToLocalFileTime RaiseException GetModuleHandleW GetTickCount SetEnvironmentVariableW GetLastError ExpandEnvironmentStringsW Sleep GetProcessId WaitForSingleObject GetExitCodeProcess CloseHandle SetFileAttributesW InitializeCriticalSection CreateEventW CreateThread DeleteCriticalSection EnterCriticalSection LeaveCriticalSection SetEvent GetCommandLineW lstrlenW CompareStringW LocalFree CreateDirectoryW LoadLibraryW GetProcAddress GetSystemDirectoryW SetDefaultDllDirectories FreeLibrary SystemTimeToTzSpecificLocalTime GetSystemTime GetTimeZoneInformation FormatMessageW lstrlenA GetComputerNameW InitializeCriticalSectionAndSpinCount ResetEvent WaitForSingleObjectEx UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent IsDebuggerPresent GetStartupInfoW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead 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

oleaut32

SysAllocString VariantClear

Name

.text

Size

229KB

Virtual Size

228KB

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

4KB

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