MALICIOUS — 250f99e646bdfeae1f8832b7bc77a5e0092e5a0f8fd435fe17cbbf88e248cd84

MALICIOUS — 250f99e646bdfeae1f8832b7bc77a5e0092e5a0f8fd435fe17cbbf88e248cd84 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the MSILHeracles family. 3 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 250f99e646bdfeae1f8832b7bc77a5e0092e5a0f8fd435fe17cbbf88e248cd84
• SHA-1: cbf38739fd3e3581a88371eb9c8447e06b6213d7
• MD5: 88a5f1cf5e31c1248ab8c9b19cd37a61
• imphash: f34d5f2d4577ed6d9ceec516c1f5a744
• ssdeep: 1536:KJa827pOuC580e/0mOJNZymBoqRDpqkSZZZ3gNgibb:KJa827o5FgOJNZy8oqRDLU8bb
• TLSH: T18139F668DA9D2B47C9F49F1D140FA90EB9D02F989DB6ADD803B02436D48ED334E29446
• Submitted as: 250f99e646bdfeae1f8832b7bc77a5e0092e5a0f8fd435fe17cbbf88e248cd84
• File type: pe · Size: 84480 bytes
• Verdict: malicious (99/100) · Family: MSILHeracles

Detections (3 of 56 engines)

• capa (capabilities): capability:execution/powershell
• Emsisoft (Emergency Kit): Gen:Variant.MSILHeracles.184725
• Kaspersky (KVRT): UDS:Trojan.MSIL.Disfa.sb

MITRE ATT&CK

• T1059.001
• T1543.003
• T1112

Why this verdict

The malicious score of 99/100 is the fusion of 11 weighted signals:

• Emsisoft (Emergency Kit) flagged Gen:Variant.MSILHeracles.184725 (rule Gen:Variant.MSILHeracles.184725) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged UDS:Trojan.MSIL.Disfa.sb (rule UDS:Trojan.MSIL.Disfa.sb) - engine signal, weight 0.55, confidence 0.85
• 2 IDS alert(s): ThreatLens Pastebin exfil/stager lookup - network signal, weight 0.50, confidence 0.80
• 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
• execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
• Contacted 1 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Anti-analysis: T1082 - dynamic signal, weight 0.40, confidence 0.75
• capa (capabilities) flagged capability:execution/powershell (rule capability:execution/powershell) - engine signal, weight 0.35, confidence 0.70
• 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. RWX/private injected region in SppExtComObj.E (pid 5888) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

2853 behavior events · 2 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• pastebin.com
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• licensing.mp.microsoft.com
• config.edge.skype.com
• officeclient.microsoft.com
• windows.msn.com
• www.msn.com
• odc.officeapps.live.com
• assets.msn.com
• www.bing.com
• watson.events.data.microsoft.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Dropped files

• 0428a22cdd412800d3bcb7bed13b1fdf28a5862ec4dc7d6ec8476a37bd441578 - 0428a22cdd412800d3bcb7bed13b1fdf28a5862ec4dc7d6ec8476a37bd441578
• e53364fd20272721b7306fecdf923e5ae78849270f6f6b94f3c1781b23702e31 - e53364fd20272721b7306fecdf923e5ae78849270f6f6b94f3c1781b23702e31
• 72450afd1235b5fcf1f6bda7f14574599d4f53aba3b98e4a4cfaec1319e4b31c - 72450afd1235b5fcf1f6bda7f14574599d4f53aba3b98e4a4cfaec1319e4b31c

Embedded URLs

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

Embedded domains

• pastebin.com

Embedded IP addresses

• 13.69.109.130
• 4.144.132.223
• 52.123.252.192
• 4.230.171.124
• 172.66.171.73
• 172.178.240.162
• 52.110.12.15
• 184.84.165.136
• 52.110.12.53
• 172.66.2.5

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report