VisualStudioSetup[.]exe

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General

Target
VisualStudioSetup.exe
Size 5.4MB
Sample260822-ce9baazfqa
SHA256 4176402bd2aa92c5e68395be75c13d2872b058118554e0b6bf4d76c7de4d2499
MD5 cc248b120c3c31784f3c83de3e5c69e8
SHA1 1fe8cc896aae1ba0968fdee1c8428ba2f278a369
SHA512 84a7c6fd45fdd1e1a9c595ac6f8f1cdcf4424f4d8304613130e0e892ee0d5305a25e6adb03da89dcc9279c4db4164dd80bc4c501a23060a6d9ece4052b61bacd
SSDEEP 98304:sn+nyIx2RqWZIb76FHlEmMXTtOJHAXqcF70tUFLR4zrWetA3bkV+i/wmVh+Z3pMH:sn4nx2Rqdb7SH+3B4SCYLR4zrWkAgsI4
TLSH
T194463372B7ED40B7D133107313B48AD6622BA5651F15ABCB63912AAFEEB41C23037D16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

File Explorer

VisualStudioSetup.exe

.exe 5.4MB

VisualStudioSetup.exe

IMPHASH 9551db1dbae5640afb4369772076ad74
SHA256 4176402bd2aa92c5e68395be75c13d2872b058118554e0b6bf4d76c7de4d2499
MD5 cc248b120c3c31784f3c83de3e5c69e8
SHA1 1fe8cc896aae1ba0968fdee1c8428ba2f278a369
SHA512 84a7c6fd45fdd1e1a9c595ac6f8f1cdcf4424f4d8304613130e0e892ee0d5305a25e6adb03da89dcc9279c4db4164dd80bc4c501a23060a6d9ece4052b61bacd
SSDEEP 98304:sn+nyIx2RqWZIb76FHlEmMXTtOJHAXqcF70tUFLR4zrWetA3bkV+i/wmVh+Z3pMH:sn4nx2Rqdb7SH+3B4SCYLR4zrWkAgsI4
TLSH
T194463372B7ED40B7D133107313B48AD6622BA5651F15ABCB63912AAFEEB41C23037D16
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

PE Signature issue

Digest

b0:92:97:7b:62:49:42:79:cf:1b:b9:1c:a9:03:c0:85:e9:b3:59:81:a8:79:c9:0e:c4:45:2d:6a:a7:aa:fe:75

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

NO CERTIFICATE

Chains

Jan 1, 0001

Digest

b0:92:97:7b:62:49:42:79:cf:1b:b9:1c:a9:03:c0:85:e9:b3:59:81:a8:79:c9:0e:c4:45:2d:6a:a7:aa:fe:75

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

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

Chains

Aug 13, 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

33:00:00:02:1d:4d:19:c8:4e:d7:0f:57:48:00:00:00:00:02:1d

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 America Operations+OU=nShield TSS ESN:F002-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:20:24:e1:e6:e0:17:b9:b4:8e:00:01:00:00:02:20

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

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

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