Sync[.]dll | Triage™

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General

Target
Sync.dll
Size 665KB
Sample260819-q19e3afd64
SHA256 c9c2763312d3d27dad9f743af373d2737b83229a97a3081f2712e6f83d16d1a2
MD5 1f165680c075f71918e2d86e1006bf2f
SHA1 6154d4c4ebc938f2ec74ef449b613d24d9634d4a
SHA512 6f0a5b3580288f23382202746d4702e99d07ad27d95ecb68100deaefe07eb8ed67e3316f116603be6a9ab3005873836ce2498156205ee67d2f076cc31bdeb575
SSDEEP 12288:2+C39DbzsHz1vGGMBQ6V258I+KCK7AzK:2+C39DbzsHzQGaQ6/I+9zK
TLSH
T139E47B15A3F810ADF1B3EA769AB21611EBB27C850771B5EF03A0499D1F37790963B312
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
Sync.dll

File Explorer

Sync.dll

.dll 665KB

Sync.dll

IMPHASH 91d8b7f212effd212784981c265bd93f
SHA256 c9c2763312d3d27dad9f743af373d2737b83229a97a3081f2712e6f83d16d1a2
MD5 1f165680c075f71918e2d86e1006bf2f
SHA1 6154d4c4ebc938f2ec74ef449b613d24d9634d4a
SHA512 6f0a5b3580288f23382202746d4702e99d07ad27d95ecb68100deaefe07eb8ed67e3316f116603be6a9ab3005873836ce2498156205ee67d2f076cc31bdeb575
SSDEEP 12288:2+C39DbzsHz1vGGMBQ6V258I+KCK7AzK:2+C39DbzsHzQGaQ6/I+9zK
TLSH
T139E47B15A3F810ADF1B3EA769AB21611EBB27C850771B5EF03A0499D1F37790963B312
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

f7:83:85:33:ea:0c:ae:2b:a1:53:ed:0f:ce:48:8f:5b:55:8c:d3:06:37:45:08:3d:7b:2a:43:8a:c8:9c:04:18

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=福建六壬网安股份有限公司,OU=IT,O=福建六壬网安股份有限公司,L=福州,ST=福建,C=CN

Chains

Aug 19, 2026

CN=福建六壬网安股份有限公司,OU=IT,O=福建六壬网安股份有限公司,L=福州,ST=福建,C=CN

Subject

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Serial Number

47:97:4d:78:73:a5:bc:ab:0d:2f:b3:70:19:2f:ce:5e

Issuer

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageClientAuth, ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Feb 8, 2010 - Feb 7, 2020

Subject

CN=福建六壬网安股份有限公司,OU=IT,O=福建六壬网安股份有限公司,L=福州,ST=福建,C=CN

Serial Number

36:ea:f6:1d:c3:95:f6:30:41:f4:24:7d:ae:76:ab:7e

Issuer

CN=Thawte Code Signing CA - G2,O=Thawte\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Sep 9, 2016 - Aug 12, 2018

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

282432

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

C:\Users\v aloo\Desktop\swww\dvn\project\x64\Release\JJGBFRV368BY238RB8R3HFSNS.pdb

kernel32

VirtualQuery GetProcAddress LoadLibraryA CreateFileW GetFileAttributesW WriteFile CloseHandle QueryPerformanceCounter QueryPerformanceFrequency Sleep GetLocalTime GetTickCount VirtualProtect WideCharToMultiByte SetEndOfFile WriteConsoleW HeapSize SetStdHandle GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA FindNextFileW FindFirstFileExW GetTickCount64 VirtualAlloc FindClose HeapReAlloc GetOEMCP GetACP IsValidCodePage ReadConsoleW SetFilePointerEx GetLastError GetCurrentThreadId ReleaseSRWLockExclusive AcquireSRWLockExclusive MultiByteToWideChar GetStringTypeW WakeAllConditionVariable EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetCPInfo SetUnhandledExceptionFilter GetStartupInfoW GetModuleHandleW GetCurrentProcessId GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RaiseException RtlLookupFunctionEntry RtlUnwindEx InterlockedFlushSList SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree CreateThread ExitThread FreeLibrary FreeLibraryAndExitThread GetModuleHandleExW IsProcessorFeaturePresent GetCurrentProcess ExitProcess TerminateProcess GetModuleFileNameW RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter HeapAlloc HeapFree LoadLibraryExW LCMapStringW GetLocaleInfoW IsValidLocale GetUserDefaultLCID EnumSystemLocalesW GetStdHandle GetFileType FlushFileBuffers GetConsoleOutputCP GetConsoleMode ReadFile GetFileSizeEx RtlUnwind

user32

GetKeyboardState GetKeyNameTextA CallNextHookEx GetAsyncKeyState GetActiveWindow ToUnicode ScreenToClient GetCursorPos GetSystemMetrics MapVirtualKeyW

advapi32

GetUserNameW

shell32

SHGetFolderPathA

wininet

InternetCloseHandle InternetOpenUrlA InternetReadFile InternetOpenA

winmm

PlaySoundW

Name

.text

Size

457KB

Virtual Size

457KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

168KB

Virtual Size

167KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

9KB

Virtual Size

440KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

17KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

512B

Virtual Size

248B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Sync.dll

PE Signature issue

kernel32

user32

advapi32

shell32

wininet

winmm

generic