MALICIOUS — 4f18e5a0d26812e59f443cc69f86023e5cb45c854555a20ad666d88ee2ccf313

MALICIOUS — 4f18e5a0d26812e59f443cc69f86023e5cb45c854555a20ad666d88ee2ccf313 is a zip sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Mydoom family. 6 of 51 detection engines flagged it.

Identification

• SHA-256: 4f18e5a0d26812e59f443cc69f86023e5cb45c854555a20ad666d88ee2ccf313
• SHA-1: d8506a0bae991b6ed80048d444dfe5710bd28d02
• MD5: ea8d1ce58880c5c6e174c2403abd2422
• ssdeep: 384:yvxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN3AB:0v8IRRdsxq1DjJcqfiAB
• TLSH: T18C2DE1D801603CA7C1739A81AC480A7CE1615F3150ED19CCDE23B4B55AFE5DFE2B62A1
• Submitted as: 4f18e5a0d26812e59f443cc69f86023e5cb45c854555a20ad666d88ee2ccf313
• File type: zip · Size: 28992 bytes
• Verdict: malicious (99/100) · Family: Mydoom

Detections (6 of 51 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Win.Worm.Mydoom-90
• Microsoft Defender: Worm:Win32/Mydoom.O@mm
• Emsisoft (Emergency Kit): Worm.Generic.24461
• Trellix Stinger (McAfee): W32/Mydoom.o.o@MM!zip
• Kaspersky (KVRT): Email-Worm.Win32.Mydoom.m

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

• ClamAV (daily) flagged Win.Worm.Mydoom-90 (rule Win.Worm.Mydoom-90) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Worm:Win32/Mydoom.O@mm (rule Worm:Win32/Mydoom.O@mm) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Worm.Generic.24461 (rule Worm.Generic.24461) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged W32/Mydoom.o.o@MM!zip (rule W32/Mydoom.o.o@MM!zip) - engine signal, weight 0.55, confidence 0.85
• Embedded executable payload carved at offset 45 - static signal, weight 0.40, confidence 0.70
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Archive contains executables: instruction.bat - static signal, weight 0.25, confidence 0.50
• Contacted 4 external host(s) at runtime - network signal, weight 0.12, confidence 0.55

Dynamic analysis (linux)

867 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• ntp.ubuntu.com
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 252.0.0.224.in-addr.arpa
• ff02::1:3
• 224.0.0.252
• 10.240.0.1
• 169.254.255.255
• 10.240.0.255
• ff02::fb
• 224.0.0.251
• 185.125.190.58
• 185.125.190.57
• 224.0.0.22
• ff02::1:2
• ff02::16
• ff02::2

Dropped files

• tmp_tmp.WGIHhJ5NNt - ed8c7971e93817e62da7556166063cb0d6f79448dfc319417497e2f1ebb2ca5e

More Mydoom samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report