infonotary-signer[.]exe

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General

Target
infonotary-signer.exe
Size 2.1MB
Sample260709-phw7cabv3w
SHA256 02fa4cfe27b567286c7646eb188a835cce57e019d5fccc0311191199b11c5aaa
MD5 ebfbc6394e8f32aaa5e8db70413f8ccd
SHA1 99605fc9159483ab1615ff6d1fe0e2f4bce837c0
SHA512 e080c92c419cd14e0286769b9728480835065093099bdbf2a1ba2da6a8ce5572dc6e5cf037bc8e9bad6d6bd6de3e202d723679a34dbdd326340d55f8605581a2
SSDEEP 49152:xuI2hSStGCrZLYkMv+yNgPSn+Mo0ZJl/sR2:x5OSS7YNvN6bMzJll
TLSH
T13FA5ADBB71CB603DE1294B3539B29110783BEEA168928C4296E4B55CCF34E70D93E65F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

installer

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
infonotary-signer.exe

Inno Setup is an open-source installation builder for Windows applications. 1 IoCs

Inno Setup installer

installer

resource	yara_rule
sample	innosetup

File Explorer

infonotary-signer.exe

.exe 2.1MB

infonotary-signer.exe

IMPHASH 88016fcdef7f227c62171d0afad9aae4
SHA256 02fa4cfe27b567286c7646eb188a835cce57e019d5fccc0311191199b11c5aaa
MD5 ebfbc6394e8f32aaa5e8db70413f8ccd
SHA1 99605fc9159483ab1615ff6d1fe0e2f4bce837c0
SHA512 e080c92c419cd14e0286769b9728480835065093099bdbf2a1ba2da6a8ce5572dc6e5cf037bc8e9bad6d6bd6de3e202d723679a34dbdd326340d55f8605581a2
SSDEEP 49152:xuI2hSStGCrZLYkMv+yNgPSn+Mo0ZJl/sR2:x5OSS7YNvN6bMzJll
TLSH
T13FA5ADBB71CB603DE1294B3539B29110783BEEA168928C4296E4B55CCF34E70D93E65F
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.
Inno Setup is an open-source installation builder for Windows applications.

Inno Setup installer

installer

PE Signature issue

Digest

6c:1e:1c:e3:4f:a7:c0:31:7b:2a:f4:58:0c:75:57:70:76:1c:ea:18:cf:5f:06:18:2e:6f:6f:5d:56:e1:75:6c

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=InfoNotary Code Sign 02,OU=IT,O=Infonotary PLC,L=SOFIA,C=BG,0.9.2342.19200300.100.1.25=#13167175616c69666965642d6c6567616c2d6165732d6361,2.5.4.97=#130f4e545242472d313331323736383237,1.2.840.113549.1.9.1=#0c16692e696c69657640696e666f6e6f746172792e636f6d

Chains

Apr 15, 2026

CN=InfoNotary Advanced Legal Person Seal CA,OU=Qualified TSP,O=InfoNotary PLC,L=Sofia,C=BG,2.5.4.97=#130f4e545242472d313331323736383237,0.9.2342.19200300.100.1.25=#13167175616c69666965642d6c6567616c2d6165732d6361

Subject

Serial Number

01:00:00:00:00:00:00:00:31:06:18:83:9e:cd:7c:6d

Issuer

CN=InfoNotary TSP Root,OU=Qualified TSP,O=InfoNotary PLC,L=Sofia,C=BG,2.5.4.97=#130f4e545242472d313331323736383237,0.9.2342.19200300.100.1.25=#13117175616c69666965642d726f6f742d6361

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Jun 18, 2019 - Jun 18, 2037

Subject

Serial Number

43:0b:02:25:72:59:ad:ed

Issuer

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment, KeyUsageKeyEncipherment, KeyUsageDataEncipherment

Ext Key Usages

ExtKeyUsageClientAuth, ExtKeyUsageCodeSigning, ExtKeyUsageEmailProtection

Revocation Status

Not revoked

Timespan

Aug 15, 2025 - Aug 15, 2027

Subject

CN=DigiCert SHA256 RSA4096 Timestamp Responder 2025 1,O=DigiCert\, Inc.,C=US

Serial Number

0a:80:ef:18:4b:8d:f1:05:82:d1:c4:76:a7:95:74:68

Issuer

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jun 4, 2025 - Sep 3, 2036

Subject

CN=DigiCert Trusted G4 TimeStamping RSA4096 SHA256 2025 CA1,O=DigiCert\, Inc.,C=US

Serial Number

0d:c7:ac:57:05:ff:21:99:2e:40:43:22:0c:3a:49:86

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

May 7, 2025 - Jan 14, 2038

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 1, 2022 - Nov 9, 2031

Minor OS version

Major OS version

Entry point

728672

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

GetACP GetExitCodeProcess CloseHandle LocalFree SizeofResource VirtualProtect QueryPerformanceFrequency VirtualFree GetFullPathNameW GetProcessHeap ExitProcess HeapAlloc GetCPInfoExW CompareStringOrdinal RtlUnwind SetFilePointerEx GetCPInfo GetStdHandle GetModuleHandleW FreeLibrary HeapDestroy ReadFile CreateProcessW GetLastError GetModuleFileNameW SetLastError FindResourceW CreateThread CompareStringW GetFileSizeEx LoadLibraryA ResetEvent GetVolumeInformationW GetVersion GetDriveTypeW RaiseException FormatMessageW SwitchToThread GetExitCodeThread GetCurrentThread LoadLibraryExW LockResource GetCurrentThreadId UnhandledExceptionFilter VirtualQuery VirtualQueryEx Sleep EnterCriticalSection LoadResource SuspendThread GetTickCount GetStartupInfoW GetFileAttributesW GetCurrentDirectoryW InitializeCriticalSection GetSystemWindowsDirectoryW GetThreadPriority SetThreadPriority GetCurrentProcess VirtualAlloc GetCommandLineW GetSystemInfo GetTempPathW LeaveCriticalSection GetProcAddress ResumeThread GetVersionExW VerifyVersionInfoW HeapCreate LCMapStringW VerSetConditionMask GetDiskFreeSpaceW FindFirstFileW GetUserDefaultUILanguage lstrlenW SetEndOfFile QueryPerformanceCounter HeapFree WideCharToMultiByte FindClose MultiByteToWideChar LoadLibraryW SetEvent CreateFileW GetLocaleInfoW GetSystemDirectoryW DeleteFileW GetLocalTime WaitForSingleObject WriteFile ExitThread DeleteCriticalSection TlsGetValue GetDateFormatW IsValidLocale TlsSetValue CreateDirectoryW GetSystemDefaultUILanguage EnumCalendarInfoW LocalAlloc GetUserDefaultLangID RemoveDirectoryW CreateEventW SetThreadLocale GetThreadLocale

comctl32

InitCommonControls

user32

CreateWindowExW TranslateMessage CharLowerBuffW CallWindowProcW CharUpperW PeekMessageW GetSystemMetrics SetWindowLongW MessageBoxW DestroyWindow CharUpperBuffW CharNextW MsgWaitForMultipleObjects LoadStringW ExitWindowsEx DispatchMessageW

oleaut32

SafeArrayPutElement VariantInit VariantClear SysFreeString SafeArrayAccessData SysReAllocStringLen SafeArrayCreate SafeArrayGetElement SysAllocStringLen SafeArrayUnaccessData SafeArrayPtrOfIndex VariantCopy SafeArrayGetUBound SafeArrayGetLBound VariantChangeType

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW OpenThreadToken AdjustTokenPrivileges LookupPrivilegeValueW RegOpenKeyExW OpenProcessToken FreeSid AllocateAndInitializeSid EqualSid RegQueryValueExW GetTokenInformation ConvertSidToStringSidW RegCloseKey

Name

.text

Size

702KB

Virtual Size

702KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.itext

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

16KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

28KB

Characteristics

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 IMAGE_SCN_MEM_WRITE

Name

.didata

Size

512B

Virtual Size

420B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

113B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

Virtual Size

24B

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

512B

Virtual Size

93B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

72KB

Virtual Size

71KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

132KB

Virtual Size

131KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

infonotary-signer.exe

PE Signature issue

kernel32

comctl32

user32

oleaut32

advapi32

generic