MALICIOUS — 82f9fa6bb83842968597ecf003ce6e1304d44d08ce04ff15e27a20d0bc0d3cb9

MALICIOUS — 82f9fa6bb83842968597ecf003ce6e1304d44d08ce04ff15e27a20d0bc0d3cb9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the HUILoader family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 82f9fa6bb83842968597ecf003ce6e1304d44d08ce04ff15e27a20d0bc0d3cb9
• SHA-1: b170fb95010211ee0f1eed050cebdbbd87b07dc0
• MD5: 4f18f45354676a0c2e013153c01fab4d
• imphash: edf4e75ead3f8f12a6448e6d357d1297
• ssdeep: 786432:ppeXqoAugc9nh2Sf5wdzCl/isPvBzPEqRqFI:WXqoVgInhJyCl/isPv1PEkqi
• TLSH: T145758DC905A2FF01E4F4DB90DF208A6C9092E1EDB0BC19CC4A93607E27FB56B64952D5
• Submitted as: 82f9fa6bb83842968597ecf003ce6e1304d44d08ce04ff15e27a20d0bc0d3cb9
• File type: pe · Size: 26017792 bytes
• Verdict: malicious (99/100) · Family: HUILoader

Detections (5 of 55 engines)

• capa (capabilities): capability:collection/keylog
• ClamAV (daily): Win.Trojan.Generic-9950561-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

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-9950561-0 (rule Win.Trojan.Generic-9950561-0) - engine signal, weight 0.90, confidence 0.95
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, 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
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• 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://purl.org/dc/elements/1.1/, http://purl.oclc.org/ooxml/officeDocument/bibliography, http://purl.oclc.org/ooxml/drawingml/chartDrawing - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

0 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
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com
• assets.msn.com
• www.bing.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• www.msftconnecttest.com/connecttest.txt

Embedded URLs

• http://schemas.microsoft.com/xps/2005/06
• 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
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
• http://schemas.microsoft.com/office/2007/6/19/audiovideo
• http://schemas.microsoft.com/office/spreadsheetml/2016/revision9
• http://schemas.microsoft.com/office/powerpoint/2013/contentapp
• http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
• http://schemas.microsoft.com/office/spreadsheetml/2016/revision10
• http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
• http://schemas.microsoft.com/office/powerpoint/2012/roamingSettings
• http://schemas.openxmlformats.org/presentationml/2006/main
• http://schemas.microsoft.com/internal/powerpoint/test
• http://schemas.microsoft.com/server/powerpoint/2009/main
• http://schemas.microsoft.com/internal/drawing/test
• http://schemas.microsoft.com/internal/diagram/test
• http://schemas.microsoft.com/office/office/2011/9/metroDictionary
• http://schemas.microsoft.com/office/drawing/2014/chart
• http://schemas.microsoft.com/server/powerpoint/2009/mobile
• http://schemas.microsoft.com/internal/ID/Story/test
• http://schemas.microsoft.com/schemaLibrary/2003/core
• http://schemas.microsoft.com/office/drawing/2014/chart/command

Embedded domains

• schemas.microsoft.com
• window.name
• c.style.top
• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com
• schemas.openxmlformats.org
• www.w3.org
• purl.org
• purl.oclc.org
• www.msn.com

Embedded IP addresses

• 6.0.1.0
• 20.42.72.131
• 20.247.184.142
• 4.230.171.124
• 52.110.12.15
• 184.84.165.171
• 184.84.165.136
• 52.110.12.45

File paths

• F:\Office\Target\x86\ship\postc2r\x-none\excelcnv.pdb
• V:\:e:m:
• S:\:b:~:
• R:\:
• R:\:u:
• P:\:i:z:I;W;s;
• K:\:
• X:\:`:d:h:l:p:t:x:
• V:\;d;
• R:\:~:
• U:\:c:j:r:z:
• B:\:t:
• W:\:r:w:
• M:\:y:
• W:\:
• V:\:b:h:n:t:z:
• U:\:c:j:q:x:
• Q:\:c:j:q:x:
• X:\:
• X:\:d:h:
• X:\:d:h:p:t:
• X:\:h:l:x:
• X:\:`:d:h:l:p:t:
• X:\:`:d:h:l:
• X:\:h:l:t:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report