AMETHYSTV2[.]dll | Triage™

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General

Target
AMETHYSTV2.dll
Size 687KB
Sample260823-d698bssdph
SHA256 87a20a4b7c926a735f04e32c934e367ceca9c3769011ba69102229f2cb0f76a3
MD5 a166db6fea5e5f81ae00c9bba2121058
SHA1 82411d6cd33a53d5f7b176d44122863d240ff6df
SHA512 02ab031cf22eb8c6c3a9bdbe011d0bfff889c95bfd0404cf5b63c0829deb0ee06f77698c715902027b6ae37f42086c9bb030797820bb32b3dd0c7ff184042111
SSDEEP 12288:MXqZt+9hcEtiHs9sbv18AcAJkSqkxbIxlkcC7S9S:MXqZt+9hAsGbv18dAJkSq+IxBCWI
TLSH
T156E46C45A3E421E9F1B3EA76DA725902E6B27CC50B70B5AF03E00D9D1F37760963A712
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
AMETHYSTV2.dll

File Explorer

AMETHYSTV2.dll

.dll 687KB

AMETHYSTV2.dll

IMPHASH 89c1ea0e677abb5c5e63a626a5355c65
SHA256 87a20a4b7c926a735f04e32c934e367ceca9c3769011ba69102229f2cb0f76a3
MD5 a166db6fea5e5f81ae00c9bba2121058
SHA1 82411d6cd33a53d5f7b176d44122863d240ff6df
SHA512 02ab031cf22eb8c6c3a9bdbe011d0bfff889c95bfd0404cf5b63c0829deb0ee06f77698c715902027b6ae37f42086c9bb030797820bb32b3dd0c7ff184042111
SSDEEP 12288:MXqZt+9hcEtiHs9sbv18AcAJkSqkxbIxlkcC7S9S:MXqZt+9hAsGbv18dAJkSq+IxBCWI
TLSH
T156E46C45A3E421E9F1B3EA76DA725902E6B27CC50B70B5AF03E00D9D1F37760963A712
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

3a:21:07:c7:d7:e3:bb:24:3c:26:72:83:7a:4a:28:27:82:78:0c:7f:ee:46:26:0b:e6:94:d0:32:5d:c8:17:e8

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 20, 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

300068

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

d:\Amethyst InternalV2\project\x64\Release\JJGBFRV368BY238RB8R3HFSNS.pdb

kernel32

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

user32

CallNextHookEx GetCursorPos GetSystemMetrics GetAsyncKeyState

winmm

PlaySoundW

Name

.text

Size

477KB

Virtual Size

476KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

169KB

Virtual Size

168KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

10KB

Virtual Size

443KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

17KB

Virtual Size

17KB

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

AMETHYSTV2.dll

PE Signature issue

kernel32

user32

winmm

generic