MALICIOUS — b21f723cbd13e22da1540d4dd598c33b8445fca980f615a236a3b9fc411fe3b1
MALICIOUS — b21f723cbd13e22da1540d4dd598c33b8445fca980f615a236a3b9fc411fe3b1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Conteban family. 2 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
b21f723cbd13e22da1540d4dd598c33b8445fca980f615a236a3b9fc411fe3b1 - SHA-1:
dfcb0cb22f72a3112e53d9fb8fcd9134605c1c35 - MD5:
93b1b34a7921026c2ff8ed9b2cd4e282 - imphash:
ae9f6a32bb8b03dce37903edbc855ba1 - ssdeep:
49152:zun9jz2tBXEDUfPS/637zLKOOsLXrtYp1HhJ8:zK9n2tBdA6375OsLXrtYpBE - TLSH:
T1425A23CD47247394DA77CB6068442EAE51A5B0C991793DA40B43C03E36D3D8FEA622DB - Submitted as: b21f723cbd13e22da1540d4dd598c33b8445fca980f615a236a3b9fc411fe3b1
- File type: pe · Size: 1968061 bytes
- Verdict: malicious (97/100) · Family: Conteban
Detections (2 of 56 engines)
- Microsoft Defender: Trojan:Win32/Conteban.A!ml
- Kaspersky (KVRT): HEUR:Trojan.Win32.Cryprar.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 8 weighted signals:
- 1 behavioral detection(s) across 1 rule(s): LOLBin: mshta executing remote/scripted payload [high] (rule
tl-lolbin-mshta) - dynamic signal, weight 0.60, confidence 0.90 - Microsoft Defender flagged Trojan:Win32/Conteban.A!ml (rule
Trojan:Win32/Conteban.A!ml) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Cryprar.gen (rule
HEUR:Trojan.Win32.Cryprar.gen) - 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 4 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497, T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
10330 behavior events · 2 ATT&CK techniques · 0 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
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- www.bing.com
- assets.msn.com
- fe3cr.delivery.mp.microsoft.com
- settings-win.data.microsoft.com
- v10.events.data.microsoft.com
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
- 13.89.179.15
- 52.253.84.76
- 4.230.171.124
- 40.84.97.4
- 51.116.253.168
- 20.165.94.54
- 135.233.95.144
- 4.150.223.111
- 20.42.65.93
- 4.150.223.106
- 135.234.160.244
- 52.110.12.10
- 52.148.114.188
- 52.110.12.20
- 72.145.35.109
File paths
- D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb
More Conteban samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report