MALICIOUS — 6bab24d0acd74cd1e2ba545f5056d872c52ef36ba7ff1f6650a0d18124651bfa

MALICIOUS — 6bab24d0acd74cd1e2ba545f5056d872c52ef36ba7ff1f6650a0d18124651bfa is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Zusy family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 6bab24d0acd74cd1e2ba545f5056d872c52ef36ba7ff1f6650a0d18124651bfa
• SHA-1: c20217dea70f0b05dc2cd0deba2793b6e9da64cc
• MD5: 0eb14a141c7f8869371e38abbbce8ee1
• imphash: 9c372579d7314f00e433b57a0f3d2665
• ssdeep: 6144:A4VDHxb4QmAqozabdh1GbhYzTp7Hw2mrbX58BvT3pYXjadGfqrACFoV:Agkcq2abdh1GbhYPprwxbJmrp+aYq8M
• TLSH: T1F74AF15C91955B42E5B6AB148DC00F8E3093B9AA143E118CCFC3C60D6AEBCCBD55CA6D
• Submitted as: 6bab24d0acd74cd1e2ba545f5056d872c52ef36ba7ff1f6650a0d18124651bfa
• File type: pe · Size: 434176 bytes
• Verdict: malicious (100/100) · Family: Zusy

Detections (6 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
• ClamAV (daily): Win.Trojan.Generic-9907384-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Microsoft Defender: Trojan:Win32/Spy!pz
• Emsisoft (Emergency Kit): Gen:Variant.Zusy.312333
• Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

MITRE ATT&CK

• T1543.003
• T1112
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Generic-9907384-0 (rule Win.Trojan.Generic-9907384-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Win32/Spy!pz (rule Trojan:Win32/Spy!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.Zusy.312333 (rule Gen:Variant.Zusy.312333) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Generic (rule HEUR:Trojan.Win32.Generic) - engine signal, weight 0.55, confidence 0.85
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
• 1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 19 external host(s) and 25 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.text (rule high-entropy-sections:.text) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
• Dropped 2 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

9129 behavior events · 2 ATT&CK techniques · 9 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• noyokoya-info.chu.jp
• 252.0.0.224.in-addr.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.
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• self.events.data.microsoft.com
• 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
• 251.0.0.224.in-addr.arpa
• 1.0.240.10.in-addr.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
• 89.65.42.20.in-addr.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
• 252.0.0.224.in-addr.arpa
• 216.125.27.118.in-addr.arpa
• settings-win.data.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\Temp\tsk_74a437e6c73f4981.exe - 7b807d43509e2383f3635167e8278c033ab3c099921c5e18103e79006b8dfdd9
• C:\ProgramData\22046fhhff.exe - c0227c4063f459972e2248b1ebc22ff7c5ddeb7f686f6a0f9e788173ba029261
• C:\Users\analyst\AppData\Local\Temp\3492473cd35c8bdceed8 - 24e2318bf2f581774737e4966fd8d2703e899a7d3c1c07233b8ee3ba6f3334c8
• a4d6afe88138fb3704e27192181781f4d1df6f1a6cd0656255d91c315fb318a6 - a4d6afe88138fb3704e27192181781f4d1df6f1a6cd0656255d91c315fb318a6
• 8ba2b1c56c0c7140b505fb5e5008890feddfc242dc5ec2568d4950f5b42c4f64 - 8ba2b1c56c0c7140b505fb5e5008890feddfc242dc5ec2568d4950f5b42c4f64
• 87f1b800371c938c286d81827e63fcfc2a208446188a90f6bc5426dc7f7c65b6 - 87f1b800371c938c286d81827e63fcfc2a208446188a90f6bc5426dc7f7c65b6
• 31d3dabf5fa98486b7131fdc98b30de69934be27ce87a8d56b67b7602d4151b8 - 31d3dabf5fa98486b7131fdc98b30de69934be27ce87a8d56b67b7602d4151b8
• 990444ae9c38f51a20de032af6e71f4f0092ff0ac049caf5f362f244e1d2c291 - 990444ae9c38f51a20de032af6e71f4f0092ff0ac049caf5f362f244e1d2c291
• d99772dc97e728d2835d09d21e917346b86f3dabbb7dc7994598efa41dbfa65a - d99772dc97e728d2835d09d21e917346b86f3dabbb7dc7994598efa41dbfa65a

Embedded URLs

• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://noyokoya-info.chu.jp/logs/dbg.php?msg=W2luc3RhbGwuY3BwOkluc3RhbGxJbmplY3RSb3V0aW5lOjI1Nl1bMHhmZGM7MHhkMTRdIGR3Wm9tYmllUGlkID09IDFlNTgK

Embedded domains

• noyokoya-info.chu.jp
• eboduftazce-ru.com
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 20.42.65.89
• 118.27.125.216
• 20.42.179.192
• 92.223.78.30
• 203.26.79.13
• 74.178.76.44
• 72.145.35.97
• 52.148.114.188
• 52.123.252.192
• 51.104.15.252
• 4.150.223.110
• 52.182.141.63
• 20.184.175.8
• 172.172.255.216
• 20.184.175.13
• 172.172.255.218
• 57.155.104.224
• 51.105.71.137
• 52.110.12.47
• 4.230.171.124
• 4.144.132.223
• 20.42.65.88
• 57.154.63.210
• 135.234.160.244
• 172.178.240.163

File paths

• c:\Mass\Simple\Hair\Son\Rail\Pick\Blue\likeProblem.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report