MALICIOUS — 61b9222dfb6b65d76f5870cac09ae6eaa065f9d38033c0d0827843b3f4ff9e31

MALICIOUS — 61b9222dfb6b65d76f5870cac09ae6eaa065f9d38033c0d0827843b3f4ff9e31 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (91/100), attributed to the Note family. 5 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 61b9222dfb6b65d76f5870cac09ae6eaa065f9d38033c0d0827843b3f4ff9e31
SHA-1: 9206fa1063823649a7929192e229051cdccd6a57
MD5: a36160cd67e3493f57de6609cf32a00b
imphash: f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep: 24576:N1vQ0QVr61l4TewvfKiEpfKl2qeHpe4z/oiff+hZacTPYxzUVLE+XbcOfCzL:fOr6DC9fKieiNeHpe4Yd42gOf
TLSH: T10C591296D66EDE37E4BD2B1C87CF483D29D46E897E312C44203A26B0A531FD75238066
Submitted as: 61b9222dfb6b65d76f5870cac09ae6eaa065f9d38033c0d0827843b3f4ff9e31
File type: pe · Size: 1952768 bytes
Verdict: malicious (91/100) · Family: Note

Detections (5 of 55 engines)

capa (capabilities): capability:execution/powershell
MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
YARA: MalwareAnalyser community pack: TL_Ransomware_Note_Markers
Detect It Easy (packer/type): DIE:Microsoft Linker
Kaspersky (KVRT): HEUR:Trojan-Ransom.MSIL.Encoder.gen

MITRE ATT&CK

Why this verdict

The malicious score of 91/100 is the fusion of 9 weighted signals:

Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
Contacted 22 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
YARA: MalwareAnalyser community pack flagged TL_Ransomware_Note_Markers (rule TL_Ransomware_Note_Markers) - engine signal, weight 0.35, confidence 0.70
Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: high-entropy-sections:.text, Microsoft Linker - static signal, weight 0.25, confidence 0.55
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

8260 behavior events · 2 ATT&CK techniques · 0 dropped files.

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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787869898&P2=404&P3=2&P4=MY6Dg33AkGre4zONodKBax9Jz0uloRxgmcTvtakMIQ208KBoMkDYhaB0ceyO9tCqw36gvkIHoXWmtIoP64E33w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787869955&P2=404&P3=2&P4=fJEAPSRaDF5L7gy4vjCNsZEJaogrLyJzbD6brc5nT7NEG56lYK%2fDOmLnURW5q8SnTEIXCpOIT2hZoipiF%2fuMZw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

52.182.141.63
57.155.101.212
4.230.171.124
20.247.185.124
20.165.94.63
135.232.92.97
20.42.72.131
20.112.250.133
52.123.128.14
20.42.73.25
135.234.160.244
20.184.175.1
51.116.246.104
135.234.160.245
52.148.114.188
203.26.79.13
135.232.92.34
20.42.179.192
4.247.188.233
72.145.35.99
52.110.12.16
52.110.12.38

File paths

j:\xP
q:\&{

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report