MALICIOUS — 551109557eccdf648a34a3fa96c8ed4a9819058e35b520a3d6178ed052a05ed8
MALICIOUS — 551109557eccdf648a34a3fa96c8ed4a9819058e35b520a3d6178ed052a05ed8 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
551109557eccdf648a34a3fa96c8ed4a9819058e35b520a3d6178ed052a05ed8 - SHA-1:
44f9593fe7f93ba7f9a7aa189ac4558580025d77 - MD5:
320906f519436736c0739c01c61f167c - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dgQEKpcheuYmtxa88FHLJ1XfR0qxa/g:Qoa1taC0wTpwxa88F7Z0tg - TLSH:
T17D5A23594719A70CE6F2C5403C69262ED04194E7A338298F928FF05EF7CB9B77822097 - Submitted as: 551109557eccdf648a34a3fa96c8ed4a9819058e35b520a3d6178ed052a05ed8
- File type: pe · Size: 1958408 bytes
- Verdict: malicious (99/100) · Family: Zusy
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule
Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Dump:Generic.Dacic.17983.C83B492E (rule
Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.ic (rule
Backdoor.Win32.Salgorea.ic) - 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 - 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 1 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
150 behavior events · 1 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- www.bing.com
- th.bing.com
- fe3cr.delivery.mp.microsoft.com
- slscr.update.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\B55.tmp -
e74e4245b6d768b4d38a9e8f7297a96e0814d6a436a20408eb4e4da672939f57 - caf8f3c2ec7c6f9c758f920b0f172c5ca822f6900c4aff404b6d88aa9c652e6b -
caf8f3c2ec7c6f9c758f920b0f172c5ca822f6900c4aff404b6d88aa9c652e6b
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
Embedded IP addresses
- 4.230.171.124
- 85.210.193.152
- 135.232.92.97
- 172.64.154.167
- 135.233.95.144
- 4.144.132.223
- 104.208.16.94
- 20.42.65.90
- 92.223.78.30
- 172.66.2.5
- 52.110.12.38
- 52.110.12.1
- 52.110.12.28
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report