MALICIOUS — c58d254aeac78b154ee1181b386f1154c3c3ab86470f753c63a8ff2bd9506ab8
MALICIOUS — c58d254aeac78b154ee1181b386f1154c3c3ab86470f753c63a8ff2bd9506ab8 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the C83B492E family. 4 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
c58d254aeac78b154ee1181b386f1154c3c3ab86470f753c63a8ff2bd9506ab8 - SHA-1:
03135c945c2fb734a4316638d1f9d1a9210c4e4d - MD5:
44bd1e322c564f753ca93882bcdf815a - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dL0kqUp4yftZuJS0gnYwb61iaisLw:Qoa1taC0w0xUpJthpp61il5 - TLSH:
T1375A234A56156B0CE6F2C5807C7922ADC441D8A7A7381A8F928FF04EA3CB9637C115DF - Submitted as: c58d254aeac78b154ee1181b386f1154c3c3ab86470f753c63a8ff2bd9506ab8
- File type: pe · Size: 1958400 bytes
- Verdict: malicious (99/100) · Family: C83B492E
Detections (4 of 52 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (C83B492E): 8746e7c8ffaee6b75f6bb9affea8b945e1d3bb451d064bdf5e1129ca438cb235 - dynamic signal, weight 0.80, confidence 0.90
- 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 55 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
99 behavior events · 2 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- to-do.office.com
- staging.to-do.officeppe.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- licensing.mp.microsoft.com
- settings-win.data.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/26742/files/8746e7c8ffaee6b75f6bb9affea8b945e1d3bb451d064bdf5e1129ca438cb235 -
8746e7c8ffaee6b75f6bb9affea8b945e1d3bb451d064bdf5e1129ca438cb235 - aad603a5d95c54d96955ad20986cb9f335eb44544e28ac8a618b6849881eb732 -
aad603a5d95c54d96955ad20986cb9f335eb44544e28ac8a618b6849881eb732
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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.42.65.93
- 52.110.12.1
- 20.247.185.124
- 57.154.63.210
- 4.230.171.124
- 4.247.188.233
- 74.178.76.128
- 40.79.150.123
- 20.231.239.246
- 172.178.240.161
- 52.110.12.11
- 4.247.188.224
- 135.232.92.137
- 20.76.201.171
- 4.150.223.103
- 52.110.12.28
- 40.84.97.4
- 52.110.12.52
- 4.150.223.107
- 203.26.79.13
- 85.210.196.11
- 20.165.94.54
- 57.155.101.212
- 52.123.129.14
- 20.42.65.89
More C83B492E samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report