MALICIOUS — cba4f20736edcb597a666a11111f442320b36233b7d200154610147e4648ba60

MALICIOUS — cba4f20736edcb597a666a11111f442320b36233b7d200154610147e4648ba60 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Fileinfector family. 5 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: cba4f20736edcb597a666a11111f442320b36233b7d200154610147e4648ba60
• SHA-1: d9f3a570fedd868c1751ac2032eb0a4344bb36df
• MD5: ceecdb80fdfabe41a52db1eb206ea651
• imphash: 43e08c6d58360c6b995c58b1ddfa2420
• ssdeep: 3072:0Eq815q15rEq815rEqpEq815rEqpEq815U+W2Y3:0vu5g5rvu5rvpvu5rvpvu5U+W2Y3
• TLSH: T14946C4D632447710EDF4F9489C04AC2CB26399A662362BDC6412D47F38F97F305A986E
• Submitted as: cba4f20736edcb597a666a11111f442320b36233b7d200154610147e4648ba60
• File type: pe · Size: 312991 bytes
• Verdict: malicious (99/100) · Family: Fileinfector

Detections (5 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Malware.Fileinfector-9831963-0
• Microsoft Defender: Trojan:Win32/CryptInject!pz
• Emsisoft (Emergency Kit): Trojan.GenericKD.39862403
• Kaspersky (KVRT): Virus.Win32.Lamer.ks

MITRE ATT&CK

• T1547.001

Why this verdict

The malicious score of 99/100 is the fusion of 11 weighted signals:

• ClamAV (daily) flagged Win.Malware.Fileinfector-9831963-0 (rule Win.Malware.Fileinfector-9831963-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Win32/CryptInject!pz (rule Trojan:Win32/CryptInject!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.GenericKD.39862403 (rule Trojan.GenericKD.39862403) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Virus.Win32.Lamer.ks (rule Virus.Win32.Lamer.ks) - engine signal, weight 0.55, confidence 0.85
• Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• Embedded network infrastructure: http://www.pinkworld.com, http://www.youporn.com, http://www.redtube.com - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
• Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 5532) (rule windows.malfind.Malfind) - memory signal, weight 0.05, 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
• officeclient.microsoft.com
• www.msn.com
• odc.officeapps.live.com
• www.bing.com
• assets.msn.com
• th.bing.com
• watson.events.data.microsoft.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Embedded URLs

• http://www.pinkworld.com
• http://www.youporn.com
• http://www.redtube.com
• http://www.assparade.com/
• http://www.freeav.com/
• http://www.antispyware.com/
• http://www.antivirus.com/
• http://www.ticrf.org.tw/chinese/html/06-rating-1.htm
• http://www.ticrf.org.tw/chinese/html/06-rating-v11.htm
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• www.pinkworld.com
• www.youporn.com
• www.redtube.com
• www.assparade.com
• www.freeav.com
• www.antispyware.com
• www.antivirus.com
• www.ticrf.org.tw

Embedded IP addresses

• 20.247.184.197
• 20.42.65.85
• 4.230.171.124
• 104.18.33.89
• 172.178.240.163
• 52.110.12.18
• 52.110.12.40
• 162.159.142.9

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report