MALICIOUS — 93a9d0f8956c527ebc6571319f9cf76d83ebb652298f023265e90e7ee0ba143c

MALICIOUS — 93a9d0f8956c527ebc6571319f9cf76d83ebb652298f023265e90e7ee0ba143c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the HUILoader family. 5 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 93a9d0f8956c527ebc6571319f9cf76d83ebb652298f023265e90e7ee0ba143c
• SHA-1: d99e1c587fa5b24adb40836a772ead327e193113
• MD5: 4508d00ca5c10d0ce1f123a98dd47089
• imphash: f34d5f2d4577ed6d9ceec516c1f5a744
• ssdeep: 12288:PEy2dJisyUWc1CRPe8FYqiV7/Sb7Mw5iqXyV:PEy6vzoRfC7/EJnK
• TLSH: T19B519D177E5F3349C0BF6B39480F199DD632623227A9920B215B86B9ECF783BD50A015
• Submitted as: 93a9d0f8956c527ebc6571319f9cf76d83ebb652298f023265e90e7ee0ba143c
• File type: pe · Size: 860160 bytes
• Verdict: malicious (99/100) · Family: HUILoader

Detections (5 of 56 engines)

• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Trojan.Generic-9907165-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• LIEF (executable format parser): lief:invalid-authenticode
• Microsoft Defender: flagged

MITRE ATT&CK

• T1071.001
• T1056.001

Why this verdict

The malicious score of 99/100 is the fusion of 10 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule Win.Trojan.Generic-9907165-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged flagged (rule flagged) - engine signal, weight 0.55, confidence 0.85
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
• Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
• capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://www.eyuyan.com - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 5924) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

435 behavior events · 0 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• licensing.mp.microsoft.com
• config.edge.skype.com
• officeclient.microsoft.com
• windows.msn.com
• odc.officeapps.live.com
• www.msn.com
• assets.msn.com
• www.bing.com
• watson.events.data.microsoft.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded URLs

• 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.eyuyan.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• www.eyuyan.com

Embedded IP addresses

• 104.46.162.231
• 20.247.184.142
• 4.230.171.124
• 172.178.240.163
• 52.110.12.38
• 184.84.165.171
• 52.110.12.3

File paths

• d:\_Bld\10657\7994\Sources\obj\Win32\Release\EvaluationContainer.NetFX45.csproj\Microsoft.Mashup.Container.NetFX45.pdb

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