MALICIOUS — d6fa71b65ee15faa7f437b8eee11dab6480bb8fc96824491a7a9ef6fc261cf27

MALICIOUS — d6fa71b65ee15faa7f437b8eee11dab6480bb8fc96824491a7a9ef6fc261cf27 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: d6fa71b65ee15faa7f437b8eee11dab6480bb8fc96824491a7a9ef6fc261cf27
• SHA-1: bcec5e7cfbc2fac387e0958712c918620f8667d7
• MD5: 8950218c155ef72f416971df3f553984
• ssdeep: 384:0vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyN3AG:yv8IRRdsxq1DjJcqfiAG
• TLSH: T1FC2DE0D800603C9FC1739A859C480A7CE1615FF150AD29CCDE23B4B55AFE59FE2B2261
• Submitted as: d6fa71b65ee15faa7f437b8eee11dab6480bb8fc96824491a7a9ef6fc261cf27
• File type: zip · Size: 29452 bytes
• Verdict: malicious (99/100) · Family: Mydoom

Detections (6 of 51 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV feed: SaneSecurity foxhole_generic: Sanesecurity.Foxhole.Zip_htm.UNOFFICIAL
• 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 7 weighted signals:

• ClamAV feed: SaneSecurity foxhole_generic flagged Sanesecurity.Foxhole.Zip_htm.UNOFFICIAL (rule Sanesecurity.Foxhole.Zip_htm.UNOFFICIAL) - 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 256 - static signal, weight 0.40, confidence 0.70
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Contacted 8 external host(s) at runtime - network signal, weight 0.12, confidence 0.55

Dynamic analysis (linux)

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

Runtime network

• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• desktop-hsgcbep
• 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
• 10.240.0.1
• 224.0.0.251
• ff02::fb
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• 169.254.255.255
• 239.255.255.250
• 20.190.167.21
• 185.125.190.58
• 20.165.94.63 US · San Antonio · AS8075 Microsoft Corporation
• ff02::2
• ff02::1:ff12:3456

Dropped files

• tmp_tmp.oOSnzsBdv0 - 38273fe638bd487df049806900588ccfd189c5e32ee582c30f5e66e94f6ceaca

Embedded IP addresses

• 20.165.94.63
• 34.160.111.145

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report