MALICIOUS — a3d798e4ec03aaa0b35a112b79c93d8a99bb946e1b203f48cfbf678b57d41dc9

MALICIOUS — a3d798e4ec03aaa0b35a112b79c93d8a99bb946e1b203f48cfbf678b57d41dc9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the AntiDebug family. 3 of 56 detection engines flagged it.

Identification

• SHA-256: a3d798e4ec03aaa0b35a112b79c93d8a99bb946e1b203f48cfbf678b57d41dc9
• SHA-1: f288cca09631137d6884491b36b4db1452234f8c
• MD5: dc3c6aae944ae5527b9697b17c834ce0
• imphash: 2eb6a12b6f1f81142d3f29517262baf5
• ssdeep: 1536:uOkcNhKUnU4eU2/EyYHEJNxcdpbbRXQlWAJcEUxIowM0TkWZm9QMl8NPdSyEBbS:1LONHEpwiuQcT9ZSQMulXEJY
• TLSH: T1643D6C4C1A11FA41E276D3646D309E1CA063F4AA7279285E3762C37F65E363363391B8
• Submitted as: a3d798e4ec03aaa0b35a112b79c93d8a99bb946e1b203f48cfbf678b57d41dc9
• File type: pe · Size: 126976 bytes
• Verdict: malicious (94/100) · Family: AntiDebug

Detections (3 of 56 engines)

• ClamAV (daily): Win.Malware.Generic-9875035-0
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

Why this verdict

The malicious score of 94/100 is the fusion of 4 weighted signals:

• ClamAV (daily) flagged Win.Malware.Generic-9875035-0 (rule Win.Malware.Generic-9875035-0) - engine signal, weight 0.90, confidence 0.95
• 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

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
• officeclient.microsoft.com
• www.msn.com
• odc.officeapps.live.com
• www.bing.com
• assets.msn.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://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://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

Embedded IP addresses

• 20.42.73.26
• 4.144.132.223
• 4.230.171.124
• 52.110.12.31
• 52.110.12.38

File paths

• F:\Office\Target\x86\ship\postc2r\x-none\csisyncclient.pdb
• X:\:`:d:l:p:t:x:
• P:\:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report