MALICIOUS — a4da5d5aab8fb033efce237b865cce76dbdc308d1009746a560d2d761d1d4548

MALICIOUS — a4da5d5aab8fb033efce237b865cce76dbdc308d1009746a560d2d761d1d4548 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100). 5 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: a4da5d5aab8fb033efce237b865cce76dbdc308d1009746a560d2d761d1d4548
• SHA-1: 0f7226c59c86bd08287065eba7a3b2fd359424fc
• MD5: cbeecfeca6c847de37abe5b9abd8002d
• imphash: d41d8cd98f00b204e9800998ecf8427e
• ssdeep: 1536:36dzrTXxfjlL7qXx/vElhBpmWc4f1jr/evrzeEzMtFDAU0RGtkkV6GpsE9Zqd:3KzrThrlLy/vElhBpmWc01jreDzitF9W
• TLSH: T16C390128C656165EC447279E7BCA004EEB2D5A4CE2F0F4F649258BB6A0F223F7914D4C
• Submitted as: a4da5d5aab8fb033efce237b865cce76dbdc308d1009746a560d2d761d1d4548
• File type: pe · Size: 86528 bytes
• Verdict: malicious (97/100)

Detections (5 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
• Microsoft Defender: Trojan:Win32/Glupteba!pz
• Emsisoft (Emergency Kit): Gen:Variant.Razy.870640
• Trellix Stinger (McAfee): Glupteba-FUBP!CBEECFECA6C8
• Kaspersky (KVRT): HEUR:Trojan.Win32.Copak.pef

MITRE ATT&CK

• T1105

Why this verdict

The malicious score of 97/100 is the fusion of 8 weighted signals:

• Microsoft Defender flagged Trojan:Win32/Glupteba!pz (rule Trojan:Win32/Glupteba!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.Razy.870640 (rule Gen:Variant.Razy.870640) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged Glupteba-FUBP!CBEECFECA6C8 (rule Glupteba-FUBP!CBEECFECA6C8) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Copak.pef (rule HEUR:Trojan.Win32.Copak.pef) - engine signal, weight 0.55, confidence 0.85
• Contacted 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.text (rule high-entropy-sections:.text) - engine signal, weight 0.35, confidence 0.70
• Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
• Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60

Dynamic analysis (windows)

114 behavior events · 0 ATT&CK techniques · 5 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
• 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
• assets.msn.com
• www.bing.com

Dropped files

• C:\Users\analyst\AppData\Local\Temp\tsk_15432e8496994967.exe - bd5bc90c0533462eecdc69ab5f308b856888b61e7785fd44e1f1362a88ef6d5a
• c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099 - c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099
• 233d349af3a8ff75df25c950c182f7b635f8c78d9f5e5a48d3f48a161dba0a61 - 233d349af3a8ff75df25c950c182f7b635f8c78d9f5e5a48d3f48a161dba0a61
• 3600c6114d77171b77257cb94c1ef89a2e48465f716a696f0eb157c95e8d258b - 3600c6114d77171b77257cb94c1ef89a2e48465f716a696f0eb157c95e8d258b
• 6aecb52c3eab8c77cc6360be77ee88eb31285c2fbff3a1be745e20bbadff17b0 - 6aecb52c3eab8c77cc6360be77ee88eb31285c2fbff3a1be745e20bbadff17b0

Embedded URLs

• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• 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

• 4.150.223.113
• 52.253.84.76
• 52.123.252.213
• 4.230.171.124
• 172.66.2.5
• 20.184.175.12
• 20.184.175.18
• 20.42.179.192
• 92.223.78.30
• 72.145.35.103
• 52.148.114.188
• 52.110.12.46

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report