matanbuchus | smphost[.]dll

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06/07/2022, 08:34

220706-kgpzescfa610

10/02/2022, 17:15

10/02/2022, 17:13

07/02/2022, 17:48

30/01/2022, 12:23

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General

Target
smphost.dll
Size 144KB
Sample220210-vst3maaehl
SHA256 e58b9bbb7bcdf3e901453b7b9c9e514fed1e53565e3280353dccc77cde26a98e
MD5 fc484855692f2a7d1eae090086a1eb72
SHA1 2e9103747750b40835f58d9e57c2ab75eeaf25f6
SHA512 2f6b6e8aa82dc4aa61a540bae1d98682ec79e73ccfeaf9c273b053c2162f35207842f7ab2f1bc06e927d706ec88ecf209d2c57e86323c38fb43e9d694e624311
SSDEEP 3072:biKjfYjd3b9fSCNq01bKrF5HiLCK08WA46tvTj:+QfYjBMCNcC+KlWuB3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

matanbuchus

Malware Config

Signatures

Matanbuchus family
matanbuchus

File Explorer

smphost.dll

.dll 144KB

smphost.dll

IMPHASH 793636b04c2e2f8cfe97a0d2fa1b60e1
SHA256 e58b9bbb7bcdf3e901453b7b9c9e514fed1e53565e3280353dccc77cde26a98e
MD5 fc484855692f2a7d1eae090086a1eb72
SHA1 2e9103747750b40835f58d9e57c2ab75eeaf25f6
SHA512 2f6b6e8aa82dc4aa61a540bae1d98682ec79e73ccfeaf9c273b053c2162f35207842f7ab2f1bc06e927d706ec88ecf209d2c57e86323c38fb43e9d694e624311
SSDEEP 3072:biKjfYjd3b9fSCNq01bKrF5HiLCK08WA46tvTj:+QfYjBMCNcC+KlWuB3
MD5 SHA1 SHA512 SSDEEP

regsvr32 windows x86

Digest

d1:81:e5:90:17:39:45:25:5f:ee:75:35:05:1a:c9:2a:7c:85:8e:96

Digest Algorithm

sha1

PE Digests Matches

Trusted

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Serial Number

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

May 25, 2021 - Dec 31, 2028

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Serial Number

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Mar 22, 2021 - Mar 21, 2036

Subject

CN=SATURN CONSULTANCY LTD,O=SATURN CONSULTANCY LTD,ST=Essex,C=GB

Serial Number

20:54:83:93:6f:36:09:24:e8:d2:a4:eb:6d:3a:9f:31

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Dec 2, 2021 - Dec 2, 2022

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Serial Number

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

May 2, 2019 - Jan 18, 2038

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Serial Number

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Oct 23, 2020 - Jan 22, 2032

Minor OS version

Major OS version

Entry point

38371

Magic Number

267

Subsystem

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

DeleteCriticalSection CreateMutexExW GetPriorityClass GetProcessId GetVersion GetProductInfo InitializeCriticalSectionEx FormatMessageA FormatMessageW GetConsoleCP CreateFileW CloseHandle GetStringTypeW SetFilePointerEx GetProcessHeap HeapSize HeapReAlloc HeapFree HeapAlloc GetLastError RaiseException DecodePointer DisableThreadLibraryCalls SetFileAttributesW SetStdHandle GetConsoleMode GetConsoleOutputCP WriteFile FlushFileBuffers FreeEnvironmentStringsW GetEnvironmentStringsW WideCharToMultiByte MultiByteToWideChar GetCommandLineW GetCommandLineA GetCPInfo GetOEMCP GetACP IsProcessorFeaturePresent IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead GetCurrentProcess TerminateProcess OutputDebugStringW EnterCriticalSection LeaveCriticalSection RtlUnwind InterlockedFlushSList SetLastError EncodePointer InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree FreeLibrary GetProcAddress LoadLibraryExW ExitProcess GetModuleHandleExW GetModuleFileNameW LCMapStringW GetStdHandle GetFileType FindClose FindFirstFileExW FindNextFileW IsValidCodePage WriteConsoleW

user32

CharNextW CreatePopupMenu GetMessageTime

gdi32

TextOutA FlattenPath TextOutW

advapi32

RevertToSelf IsValidSid IsValidAcl IsTokenRestricted GetSidIdentifierAuthority CveEventWrite

shell32

DuplicateIcon

ole32

CoGetCallerTID CoCreateInstance CoInitialize CoTaskMemAlloc OleInitialize CoCancelCall

shlwapi

SHStrDupA SHStrDupW SHGetThreadRef

rpcrt4

UuidCreate DceErrorInqTextA RpcExceptionFilter