MALICIOUS — 804c3d8c65c5d4d28651c2d62478fd096061866ef40f5dbeab16a0cce60fa025

MALICIOUS — 804c3d8c65c5d4d28651c2d62478fd096061866ef40f5dbeab16a0cce60fa025 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 7 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 804c3d8c65c5d4d28651c2d62478fd096061866ef40f5dbeab16a0cce60fa025
• SHA-1: 480127c9bd6116a067f2300fc6a0fbb9f95fc49b
• MD5: 2f1390446823539522fc392092032705
• imphash: d028ed91d908ca3f4bdbbbb8a346d246
• ssdeep: 768:aDw1RFtrJ9Qhtn2675RDw1RUTPEPh3O2:aotri26pbSpO
• TLSH: T1BA3C5C2705A19E9FFA06D3FB6040DF0C6DE2A96898B711D82B97DC0A116CC93296D20D
• Submitted as: 804c3d8c65c5d4d28651c2d62478fd096061866ef40f5dbeab16a0cce60fa025
• File type: pe · Size: 114688 bytes
• Verdict: malicious (100/100)

Detections (7 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Trojan.Generic-9986843-0
• Detect It Easy (packer/type): DIE:UPX
• Microsoft Defender: Trojan:Win32/Zexa!pz
• Emsisoft (Emergency Kit): Trojan.Agent.EYLR
• Trellix Stinger (McAfee): PolyPatch-UPX
• Kaspersky (KVRT): Trojan.Win32.Agentb.koqq

MITRE ATT&CK

• T1105

Why this verdict

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

• ClamAV (daily) flagged Win.Trojan.Generic-9986843-0 (rule Win.Trojan.Generic-9986843-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Win32/Zexa!pz (rule Trojan:Win32/Zexa!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Agent.EYLR (rule Trojan.Agent.EYLR) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged PolyPatch-UPX (rule PolyPatch-UPX) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Trojan.Win32.Agentb.koqq (rule Trojan.Win32.Agentb.koqq) - engine signal, weight 0.55, confidence 0.85
• Contacted 2 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Detect It Easy (packer/type) flagged DIE:UPX (rule DIE:UPX) - engine signal, weight 0.35, confidence 0.70
• MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: UPX - static signal, weight 0.25, confidence 0.55
• Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60

Dynamic analysis (windows)

31 behavior events · 0 ATT&CK techniques · 1 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

Dropped files

• C:\Users\analyst\AppData\Local\Temp\CSTGPWUVQQ.exe - 3e691ec231606c92c553364a04eb160d89b18bf223603d0fc660eb42917b3fcf

Embedded URLs

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

Embedded IP addresses

• 52.110.12.45
• 52.110.12.54
• 20.42.73.28
• 52.230.59.222
• 52.123.252.198
• 4.230.171.124
• 52.110.12.44
• 52.110.12.22

File paths

• C:\Users\

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report