MALICIOUS — f6f707f5ae11edf77c4383a84b53988b76f72bd77bb817bf1cc1a347e8348930
MALICIOUS — f6f707f5ae11edf77c4383a84b53988b76f72bd77bb817bf1cc1a347e8348930 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:
f6f707f5ae11edf77c4383a84b53988b76f72bd77bb817bf1cc1a347e8348930 - SHA-1:
566f7f0bfbb67508f6f5380f197e270f33f1ca3c - MD5:
ad68763e1183eb6336e42c458fe7948a - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dnAchDdu5ZilwyATKVN3UVDWpWIzgiWSJ:Qoa1taC0ujoilvmA3UVSf3WK - TLSH:
T1355A23469B192B0DD1F5C1807D29126D8843E8F2A778298B82CFF05EB7D79A738111DB - Submitted as: f6f707f5ae11edf77c4383a84b53988b76f72bd77bb817bf1cc1a347e8348930
- File type: pe · Size: 1958408 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): Backdoor.Win32.Salgorea.ic
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 25 external host(s) at runtime (27 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
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\6D08.tmp -
eddd8dd54098aa7504bf93a9619c69067bc0bbba39eacc07122c7616e51fb4dd - d1e9738c12a6efb86f7eebb4922fdf81bc192a6bbb0c13dd4315afe9ea9e9433 -
d1e9738c12a6efb86f7eebb4922fdf81bc192a6bbb0c13dd4315afe9ea9e9433
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=1787838052&P2=404&P3=2&P4=Y6tYJVMwveNOoZYpFkTdNg42rbQvUF137btdNbGmRDXLesfMyVH0gOVExg5zrGLxUCLTmrPOsfPfOqzrP%2f8f2w%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=1787838069&P2=404&P3=2&P4=S1QsgACoOPr7H6x3231cuDXY7NEvc%2bMm%2bW19H0ER5OUFSDjbGtm4gm2EOcZ%2fRGrFWKi8BQZm9LKd5C4NoLapVw%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/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787234849&P2=404&P3=2&P4=KgakkaaXatjnGKlroaRysVZnurGqyWfrEH4LFscEmoOmACAsRV9wDCIJYjbDEWaDVAm8My5FKGG%2f3wXuJtyLhw%3d%3d&cacheHostOrigin=1D.tlu.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/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787234385&P2=404&P3=2&P4=EFKQerhdIsLe5cEKGe2XH45CjQy5xJm5sZI2eRykJ%2fEJPI1JXxjZJCrGs%2bfPLa2QFEaEPhDyyx55DJNEVLcJjg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.52.64.201
- 4.230.171.124
- 40.84.97.4
- 20.247.185.124
- 48.211.4.16
- 20.165.94.46
- 135.233.95.144
- 135.233.95.135
- 52.168.117.168
- 203.26.79.13
- 20.76.201.171
- 52.123.129.14
- 40.99.134.2
- 172.178.240.162
- 52.148.114.188
- 72.153.5.130
- 135.233.45.222
- 48.200.63.27
- 20.42.73.30
- 4.209.250.170
- 52.168.112.67
- 51.105.71.136
- 20.42.179.192
- 52.110.12.3
- 52.110.12.31
File paths
- X:\o,e
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report