MALICIOUS — a2d1c2baf6db1822ba59845994a469986085591b75d13f2dd24efcea5ec9407a

MALICIOUS — a2d1c2baf6db1822ba59845994a469986085591b75d13f2dd24efcea5ec9407a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: a2d1c2baf6db1822ba59845994a469986085591b75d13f2dd24efcea5ec9407a
• SHA-1: 065f58f40d02fd208073448e4d3fb96de02d0ec0
• MD5: 653780c36c9e45a1feb885e91f9956a0
• imphash: 83b07722f0e90485f03932bf48ef66fd
• ssdeep: 49152:Ykv5b6kiWH8XG/aI4MJ060J2EmsVr8hQFR5aLJ786iqExEqvRjIk:Nv51Hi9e0JGsCQ5aLe6iqExEqvREk
• TLSH: T17F5D33C0388CBC90D38BAA0166503D9FA45145D661E2F56374A639A47BEBE733C42CB7
• Submitted as: a2d1c2baf6db1822ba59845994a469986085591b75d13f2dd24efcea5ec9407a
• File type: pe · Size: 2827669 bytes
• Verdict: malicious (95/100) · Family: Zusy

Detections (4 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): Themida/VMProtect
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Emsisoft (Emergency Kit): Gen:Variant.Zusy.406965
• Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

MITRE ATT&CK

• T1543.003
• T1112
• T1105

Why this verdict

The malicious score of 95/100 is the fusion of 9 weighted signals:

• Emsisoft (Emergency Kit) flagged Gen:Variant.Zusy.406965 (rule Gen:Variant.Zusy.406965) - 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
• Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 18 external host(s) and 14 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• MalwareAnalyser heuristics (entropy/packer) flagged Themida/VMProtect (rule Themida/VMProtect) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: Themida/VMProtect, high-entropy-sections: , , , ,.boot, Microsoft Linker - static signal, weight 0.25, confidence 0.55
• 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)

8849 behavior events · 2 ATT&CK techniques · 4 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 76.0.240.10.in-addr.arpa.
• 1.0.240.10.in-addr.arpa.
• 251.0.0.224.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.
• 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.
• 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.
• desktop-hsgcbep
• ecs.office.com
• login.live.com
• update.googleapis.com
• 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
• 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

Dropped files

• C:\Users\analyst\AppData\Local\Microsoft\Edge\User Data\Default\Web Data - edde18788bce33cccf3fe018ba511df02ad2d1b40140d98991d3f844c07c8662
• C:\Users\analyst\AppData\Local\Microsoft\Edge\User Data\Default\Login Data - 6ca92dac93a93516d9f87871b08dbc88d651ad36c05964afc5941127a2397d69
• f46bc29e4e7ae71e0ff4bed322bab9305f7ef213cc19864ee9439d2f264904c6 - f46bc29e4e7ae71e0ff4bed322bab9305f7ef213cc19864ee9439d2f264904c6
• 3c7490b76bd3142d80ca3c1ae3f74c20c7d3596269562a15f4b570f97ff449c3 - 3c7490b76bd3142d80ca3c1ae3f74c20c7d3596269562a15f4b570f97ff449c3

Embedded URLs

• http://schemas.microsoft.com/SMI/2005/WindowsSettings
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• schemas.microsoft.com
• 5.za
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 52.123.128.14
• 20.184.175.11
• 40.84.85.40
• 52.123.129.14
• 52.178.17.235
• 57.155.101.212
• 72.145.35.103
• 72.145.35.97
• 52.110.12.19
• 4.150.223.111
• 52.168.117.174
• 172.215.188.232
• 52.148.114.188
• 20.42.65.88
• 57.155.104.224
• 85.210.196.11
• 74.178.76.44
• 203.26.79.13
• 72.145.35.96
• 172.172.255.216
• 40.79.150.120
• 172.172.255.218
• 20.184.175.1
• 51.132.193.104
• 20.42.179.204

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report