MALICIOUS — 50f9c33587c6ecc731fb4a88cb002c8bb32e362d83bf1a18050f1e98b968c216

MALICIOUS — 50f9c33587c6ecc731fb4a88cb002c8bb32e362d83bf1a18050f1e98b968c216 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 8 of 55 detection engines flagged it.

Identification

• SHA-256: 50f9c33587c6ecc731fb4a88cb002c8bb32e362d83bf1a18050f1e98b968c216
• SHA-1: 2eb18d5c62c14d09cf49752574df6169129afbe2
• MD5: 04919cb1f9c58668af2d33af57b29e6f
• imphash: 3e4757b6c44f364955a909104e3b2b4d
• ssdeep: 49152:afwWBmcCfwWBmc6fwWBmcX+Qn/Jf4MgVrVjnTKAdf:abBmcCbBmc6bBmcdyVPKAd
• TLSH: T17E5F8F86461BA106E1B7EC90B81495FC8421F4AD7AB4D28DA707C5AE4097D3BFEF1036
• Submitted as: 50f9c33587c6ecc731fb4a88cb002c8bb32e362d83bf1a18050f1e98b968c216
• File type: pe · Size: 3289710 bytes
• Verdict: malicious (96/100) · Family: Zusy

Detections (8 of 55 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.lol 1
• ClamAV (daily): Win.Malware.Zusy-9875693-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Detect It Easy (packer/type): DIE:VMProtect
• Microsoft Defender: Trojan:Win32/Ausiv
• Emsisoft (Emergency Kit): GenPack:Trojan.Agent.EXMP
• Kaspersky (KVRT): UDS:Trojan.Win32.Generic

Why this verdict

The malicious score of 96/100 is the fusion of 6 weighted signals:

• ClamAV (daily) flagged Win.Malware.Zusy-9875693-0 (rule Win.Malware.Zusy-9875693-0) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:VMProtect (rule DIE:VMProtect) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://creativecommons.org/publicdomain/zero/1.0/, http://purl.org/dc/elements/1.1/, http://xml.org/sax/features/namespaces - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: high-entropy-sections:.lol 1, VMProtect - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://creativecommons.org/publicdomain/zero/1.0/
• http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://office.microsoft.com/0
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://ns.adobe.com/iX/1.0/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://purl.org/dc/elements/1.1/
• http://schemas.microsoft.com/appv/2010/manifest
• http://xml.org/sax/features/namespaces
• http://xml.org/sax/features/namespace-prefixes
• http://xml.org/sax/properties/declaration-handler
• http://xml.org/sax/properties/lexical-handler
• http://schemas.microsoft.com/appx/2010/manifest
• http://schemas.microsoft.com/appv/2013/manifest
• http://schemas.microsoft.com/appv/2014/manifest

Embedded domains

• creativecommons.org
• geocities.com
• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• www.w3.org
• ns.adobe.com
• purl.org
• schemas.microsoft.com
• xml.org

Embedded IP addresses

• 5.1.131.0

Registry keys

• HKEY_USERS\*_Classes
• HKEY_USERS\*\Software\Classes
• HKEY_CURRENT_USER\Software\Classes
• HKCU\Software\Classes

File paths

• f:\dd\tools\devdiv\FinalPublicKey.snk
• f:\dd\trinity\vsta\rt\VSTAAddInModel\AddInBase\objr\i386\Microsoft.VisualStudio.Tools.Applications.Runtime.v9.0.pdb
• C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
• C:\btvsts\3621\private\softgrid\shared\include\shared\file_utils.hpp
• C:\btvsts\3621\private\softgrid\shared\include\shared\env_utils.hpp
• C:\btvsts\3621\private\softgrid\shared\include\integration_subsystem_data.h
• c:\btvsts\3621\private\softgrid\client\integration\subsystem_tokenizer_collection_factory.h
• C:\btvsts\3621\private\softgrid\client\integration\PublishingCommands.h
• C:\btvsts\3621\private\softgrid\client\integration\isv_client_session.h
• C:\btvsts\3621\private\softgrid\client\integration\TransactionFactory.h
• C:\btvsts\3621\private\softgrid\client\integration\TransactionClasses.h
• C:\btvsts\3621\private\softgrid\client\integration\ActivityTransactionMap.h
• c:\btvsts\3621\private\softgrid\shared\include\SwRpcClient.h
• C:\btvsts\3621\private\softgrid\subsystems\include\integration_rpc_task.hpp
• c:\btvsts\3621\private\softgrid\subsystems\include\integration_rpc_client.hpp
• C:\btvsts\3621\private\softgrid\client\integration\notifier_process.hpp
• c:\btvsts\3621\private\softgrid\shared\clientconfiguration\ValueName.h
• c:\btvsts\3621\private\softgrid\shared\clientconfiguration\RegistryValue.h
• C:\btvsts\3621\private\softgrid\subsystems\shortcuts\unregister_command.hpp
• C:\btvsts\3621\private\softgrid\subsystems\shortcuts\register_command.hpp
• C:\btvsts\3621\private\softgrid\subsystems\include\exclusion_data.h
• C:\btvsts\3621\private\softgrid\shared\include\XMLUtils.h
• c:\btvsts\3621\private\softgrid\subsystems\fta\xml_interface.hpp
• D:\Program
• D:\OrcasSP.30620.00_25\ddsuites\src\vs\perf\Trinity\OptimizationTraining\opt_TarmacBase\ExcelVBSetup\perfprojects\published\blankxls.xlsx

More Zusy samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report