MALICIOUS — 8361b4ad3780b8003a3bb26049943f35ad33df2837fc2037cbdff5669f016652

MALICIOUS — 8361b4ad3780b8003a3bb26049943f35ad33df2837fc2037cbdff5669f016652 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Small family. 4 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: 8361b4ad3780b8003a3bb26049943f35ad33df2837fc2037cbdff5669f016652
SHA-1: 89377786413efe50358e6bb400094d41c75b7ea0
MD5: 8277a59389050085ea918bee33dba47a
imphash: 1e4c0da5737da53aff5e6e0ab7de1efa
ssdeep: 384:lF9SYKaYcmZO2Zp+Nye8pqrmub8TyztsDN:lT6aYoKK8o8TyJc
TLSH: T10E28FB84D7E13B24CA5BD84821114C5CBF9167B3E68229DD830A9362D345BF7CEE2782
Submitted as: 8361b4ad3780b8003a3bb26049943f35ad33df2837fc2037cbdff5669f016652
File type: pe · Size: 17920 bytes
Verdict: malicious (100/100) · Family: Small

Detections (4 of 55 engines)

ClamAV (daily): Win.Malware.Fugrafa-9806497-0
Microsoft Defender: TrojanSpy:Win32/Small.M
Emsisoft (Emergency Kit): Gen:Variant.Oberal.8
Kaspersky (KVRT): Trojan.Win32.Small.xxd

MITRE ATT&CK

Why this verdict

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

ClamAV (daily) flagged Win.Malware.Fugrafa-9806497-0 (rule Win.Malware.Fugrafa-9806497-0) - engine signal, weight 0.90, confidence 0.95
2 behavioral detection(s): Credential Access: LSASS memory access [critical] (rule tl-cred-lsass) - dynamic signal, weight 0.80, confidence 0.90
Memory forensics: 2 finding(s), e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 22 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
enumerate processes (rule enumerate processes) - capa 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)

74372 behavior events · 3 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=1787879169&P2=404&P3=2&P4=kgp9%2fDBMsh8MAqyjo04KOorQDhcNai3arFskeiggZaRNyLMHmtzmJHLJQ9mT4Mzj1MCXj7Sc4TLIKLD%2faQeV%2fw%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=1787879258&P2=404&P3=2&P4=RMA7Jq83SHM%2fsvv7XS8YnysKCcXeiPobdSWK%2b5Yk9hbOClYOWCglFy1BvrsxCTdXYCLGs%2feaL%2b9xhLj5huqQyg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

216.218.185.162
20.50.201.204
20.247.185.124
40.84.97.4
4.230.171.124
135.233.95.144
135.232.92.97
20.184.175.22
52.123.128.14
20.76.201.171
52.123.129.14
40.99.134.2
57.155.101.212
13.69.109.131
135.234.160.244
203.26.79.13
52.148.114.188
135.234.160.246
135.233.95.80
72.154.7.97
52.110.12.18
52.110.12.11

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report