MALICIOUS — 949858821619675b66feb254fc17987b86f748a597857bbff30c99fca26e3f06

MALICIOUS — 949858821619675b66feb254fc17987b86f748a597857bbff30c99fca26e3f06 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Amhfbyrbndc family. 8 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: 949858821619675b66feb254fc17987b86f748a597857bbff30c99fca26e3f06
• SHA-1: cd710bbe5e162399c78be91264364ed598c44593
• MD5: 7b25fdba69c0f9329847935312f142dc
• imphash: 0c75723fedd9c27bef321a9d944591c8
• ssdeep: 384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJweBBuMo:GqDSbP0w+mFko/B8I7JUSiVfVyLA+KKv
• TLSH: T1C427CF3040C192AADBFFC82E2865631F08E6F11C7E138A986E6807EA58DC5F314C3552
• Submitted as: 949858821619675b66feb254fc17987b86f748a597857bbff30c99fca26e3f06
• File type: pe · Size: 16412 bytes
• Verdict: malicious (100/100) · Family: Amhfbyrbndc

Detections (8 of 56 engines)

• MalwareAnalyser heuristics (entropy/packer): UPX
• ClamAV (daily): Win.Malware.Amhfbyrbndc-9891057-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• Detect It Easy (packer/type): DIE:Microsoft Linker
• Microsoft Defender: Trojan:Win32/Androm!pz
• Emsisoft (Emergency Kit): Gen:Trojan.Heur.D.bmHfbyRbNDc
• Trellix Stinger (McAfee): Agent-FQY!7B25FDBA69C0
• Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.gen

MITRE ATT&CK

• T1071.001
• T1543.003
• T1112
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 15 weighted signals:

• ClamAV (daily) flagged Win.Malware.Amhfbyrbndc-9891057-0 (rule Win.Malware.Amhfbyrbndc-9891057-0) - engine signal, weight 0.90, confidence 0.95
• Microsoft Defender flagged Trojan:Win32/Androm!pz (rule Trojan:Win32/Androm!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.D.bmHfbyRbNDc (rule Gen:Trojan.Heur.D.bmHfbyRbNDc) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged Agent-FQY!7B25FDBA69C0 (rule Agent-FQY!7B25FDBA69C0) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Agent.gen (rule HEUR:Trojan.Win32.Agent.gen) - engine signal, weight 0.55, confidence 0.85
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
• Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 9 external host(s) and 7 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
• MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - 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: UPX, high-entropy-sections:UPX1, Microsoft Linker - 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
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

5220 behavior events · 2 ATT&CK techniques · 2 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• test.besthotel360.com
• 76.0.240.10.in-addr.arpa.
• d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
• 251.0.0.224.in-addr.arpa.
• 1.0.240.10.in-addr.arpa.
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• self.events.data.microsoft.com
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 251.0.0.224.in-addr.arpa
• 1.0.240.10.in-addr.arpa

Dropped files

• C:\Users\analyst\AppData\Local\Temp\2lWl5EyPCfwJe.exe - be9613b88d16716cda46afdeb524f4d798018ac9821aa44e06e0aa512b313023
• dd45df27342309f90d3f9676d04d764a667916f2cb91c1c596fa135cf55c0f58 - dd45df27342309f90d3f9676d04d764a667916f2cb91c1c596fa135cf55c0f58

Embedded URLs

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

Embedded domains

• test.besthotel360.com
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 20.184.175.2
• 20.42.179.204
• 72.145.35.97
• 72.145.35.111
• 52.182.141.63
• 52.148.114.188
• 20.42.179.192
• 20.52.64.200
• 52.230.60.54
• 4.230.171.124
• 52.253.84.76
• 172.215.188.225
• 72.154.7.108

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report