MALICIOUS — dca7fe5ac2d1b1b972d6d0f6fee28d481a50cb654bd25a93542cd74a694b6282

MALICIOUS — dca7fe5ac2d1b1b972d6d0f6fee28d481a50cb654bd25a93542cd74a694b6282 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Gobot family. 6 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

• SHA-256: dca7fe5ac2d1b1b972d6d0f6fee28d481a50cb654bd25a93542cd74a694b6282
• SHA-1: 41df5d97c674d7264a1508b608cab8bd587b4fe2
• MD5: bacf45f7322b37e1408df4c2baa5163d
• imphash: 842ba1c2436dd1a931cfdde74fd7ef17
• ssdeep: 768:NiOQauOECLIK8u4qc+5aIjK4LrP+K5fE67y7N8FdUV0MeExZ6Tj8U9QBYo:Nip8JB5aOLL+K5E6U878XU9QZ
• TLSH: T128348E361F2F2F1BEA7AD66788016B5E1866B8B934D50448931F987DB3EEC03685111C
• Submitted as: dca7fe5ac2d1b1b972d6d0f6fee28d481a50cb654bd25a93542cd74a694b6282
• File type: pe · Size: 52970 bytes
• Verdict: malicious (100/100) · Family: Gobot

Detections (6 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:DATA
• ClamAV (daily): Win.Trojan.Gobot-20
• YARA: Stratosphere IPS: STRATO_IRC_Botnet
• Microsoft Defender: Backdoor:Win32/Delf.BA!MTB
• Emsisoft (Emergency Kit): Gen:Trojan.IRC-Backdoor.dGY@aSF4T5g
• Kaspersky (KVRT): Backdoor.Win32.Delf.ma

MITRE ATT&CK

• T1071.001
• T1547.001
• T1112
• T1571
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Gobot-20 (rule Win.Trojan.Gobot-20) - engine signal, weight 0.90, confidence 0.95
• 2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.63, confidence 0.90
• Microsoft Defender flagged Backdoor:Win32/Delf.BA!MTB (rule Backdoor:Win32/Delf.BA!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Trojan.IRC-Backdoor.dGY@aSF4T5g (rule Gen:Trojan.IRC-Backdoor.dGY@aSF4T5g) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Backdoor.Win32.Delf.ma (rule Backdoor.Win32.Delf.ma) - engine signal, weight 0.55, confidence 0.85
• YARA: Stratosphere IPS flagged STRATO_IRC_Botnet (rule STRATO_IRC_Botnet) - engine signal, weight 0.60, confidence 0.70
• Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 151 external host(s) and 19 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:DATA (rule high-entropy-sections:DATA) - engine signal, weight 0.35, confidence 0.70
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-sections:DATA - static signal, weight 0.25, confidence 0.55
• Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

500 behavior events · 2 ATT&CK techniques · 1 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ctldl.windowsupdate.com
• update.googleapis.com
• edgedl.me.gvt1.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• config.edge.skype.com
• windows.msn.com
• officeclient.microsoft.com
• www.msn.com
• odc.officeapps.live.com
• settings-win.data.microsoft.com

Dropped files

• C:\Windows\LIwc8.exe - e5d6ba4dddac52016e5772b1a502f664e870cb599bf3c8660cd24e68ee90902b

Embedded URLs

• 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/ea98f53a-04cb-4f17-b9d9-db88a4e098c7/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/ea98f53a-04cb-4f17-b9d9-db88a4e098c7?P1=1785377842&P2=404&P3=2&P4=l1E6ID%2bdP67CJpKOjU%2fX%2fGF9WXhFVyGpnE3i5Cg1PBeyqvAXwFOIHh5%2fQdq0yf4r1ZEEidf68dZXH8WxKtak%2fA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 52.182.143.212
• 4.230.171.124
• 85.210.196.11
• 4.144.132.114
• 20.42.179.204
• 74.179.77.164
• 4.150.223.114
• 135.232.92.137
• 104.18.33.89
• 172.170.180.133
• 34.104.35.123
• 129.27.9.247
• 137.23.10.255
• 197.159.75.247
• 200.157.23.64
• 61.26.191.25
• 196.205.140.53
• 26.144.158.224
• 177.15.92.237
• 101.129.157.134
• 49.230.36.252
• 40.55.230.184
• 156.227.145.112
• 77.99.60.183
• 121.6.226.116

More Gobot samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report