MALICIOUS — b8a9fda9206adfedd890e149fa53f0e5feb3a9d35d97a83bdb85917219a93ad7
MALICIOUS — b8a9fda9206adfedd890e149fa53f0e5feb3a9d35d97a83bdb85917219a93ad7 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b8a9fda9206adfedd890e149fa53f0e5feb3a9d35d97a83bdb85917219a93ad7 - SHA-1:
ea87e750a51d218455e8041074b0f0d7513b27fd - MD5:
ec9c14e1a15fa11153e650e89ff1953f - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dDTjvkfCftnFr51JxOPOgxW:Qoa1taC0YTLkaH5lOPOgxW - TLSH:
T1115A238A5609670CE6F8C4407D39167DC84294F66738298F918FF01EB3DBA6B7C2119B - Submitted as: b8a9fda9206adfedd890e149fa53f0e5feb3a9d35d97a83bdb85917219a93ad7
- File type: pe · Size: 1958400 bytes
- Verdict: malicious (96/100) · Family: Zusy
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 21 external host(s) at runtime (26 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
99 behavior events · 1 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\C5B7.tmp -
7b354bc83d3d7157ea443d19ebe080bba71adc8d9797163c5656fafa5af58876 - fd7825fb1a05b408718ef3f026ae0bba398424e38e9a1e551c3d2c97b6512b0d -
fd7825fb1a05b408718ef3f026ae0bba398424e38e9a1e551c3d2c97b6512b0d
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
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787865695&P2=404&P3=2&P4=E%2bHZTxD08zE67mXlLtbflfVf2lUOuQ3AbstH1d%2fM7kBC8YYERl%2boc%2bM%2fx0M8wCtnOF6l%2fkrkQqtqDqrkkOsahg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787865714&P2=404&P3=2&P4=j6a26sEnu5S0F7R7RoKpKe2cpCYkK9eHpdUelNKXaYkKNAV1Xeixu4UNMxPRtplPKdL7A5J8k2ahoQ4b0GjgDA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787262414&P2=404&P3=2&P4=bjBl9mwppxG7PBDYhTBqJ0VOeUSFRZYMJIpYp0bbM8wCa3By2JddcPbhSNy22McvkB1r393v3tlbxbnQrX2Hag%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787262041&P2=404&P3=2&P4=jWpyOTqhI%2fQLmzUM3zKPJydp67jKdmUPx3ZQ1c44L5i2mOVsUDgby4XqSsyy8lbD6%2fUmN2pjYwmFkDSXUlbl2w%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- p.it
- schemas.microsoft.com
Embedded IP addresses
- 52.168.117.171
- 20.247.184.197
- 40.84.97.4
- 4.230.171.124
- 135.233.95.144
- 20.165.94.54
- 4.150.223.102
- 4.150.223.114
- 52.123.129.14
- 20.76.201.171
- 172.178.240.163
- 52.123.252.241
- 203.26.79.13
- 20.165.94.46
- 52.148.114.188
- 172.178.240.162
- 172.170.180.133
- 72.154.7.106
- 20.184.175.2
- 52.110.12.4
- 52.110.12.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report