MALICIOUS — b880cd47608d050dbf7dc61d3c261c00370345ca55c789512cad0518f29f9e6f

MALICIOUS — b880cd47608d050dbf7dc61d3c261c00370345ca55c789512cad0518f29f9e6f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the C83B492E family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: b880cd47608d050dbf7dc61d3c261c00370345ca55c789512cad0518f29f9e6f
SHA-1: 188ac8680346b128af7e0f8fb5f6543d841e9f51
MD5: bf29340df91826dd6f5ba288d911d344
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:Qoa1taC070dPxV6eXEIVI0k9mYQNOZjqyzF4b3Tu1k3:Qoa1taC0exseXtD2u3y1k3
TLSH: T1E05A239A950D670DE6F6C4802C2C12ADC441D4E7A7785ACF928FF0AEA3CBA5738111D7
Submitted as: b880cd47608d050dbf7dc61d3c261c00370345ca55c789512cad0518f29f9e6f
File type: pe · Size: 1958400 bytes
Verdict: malicious (98/100) · Family: C83B492E

Detections (4 of 55 engines)

ClamAV (daily): Win.Malware.Zusy-9764479-0
Microsoft Defender: Trojan:Win32/Salgorea!pz
Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs

MITRE ATT&CK

T1543.003

Why this verdict

The malicious score of 98/100 is the fusion of 5 weighted signals:

ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
Memory forensics: 2 finding(s), e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 19 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80

Dynamic analysis (windows)

135 behavior events · 1 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\F632.tmp - 4b6f0ccfdc23ed2b223af1f46a5dfb2153c6a6081dd32a5972c968a05999cd97
e1b4ce1beaf31d2207ed8d89749a467fbb3d43481d5399a0db2d6114b6a2d1e3 - e1b4ce1beaf31d2207ed8d89749a467fbb3d43481d5399a0db2d6114b6a2d1e3

Embedded URLs

http://schemas.microsoft.com/SMI/2005/WindowsSettings
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787844710&P2=404&P3=2&P4=V37hwblkybQM7UmJ01WX2jIO373Z7y8SV9RWE13I%2b8JWGy8BDivlV5q5EynycbaCoRyFF6dPs289Ig2IrK1v%2fg%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=1787844760&P2=404&P3=2&P4=ilWSRS7u6eIqWq3u1IfOQ0Zpitx5ZV9XHq2nZmg3CKeBvJbUeGQD6FFqOLaz%2brO5%2bCQzk2fWyXGqgmq%2b4CZoQw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

schemas.microsoft.com

Embedded IP addresses

20.42.73.26
85.210.193.152
4.230.171.124
52.253.84.76
40.84.97.4
20.165.94.63
135.233.95.135
4.150.223.114
40.99.134.18
20.236.44.162
52.123.128.14
172.178.240.162
20.165.94.46
203.26.79.13
52.148.114.188
92.223.78.30
72.145.35.103
52.110.12.31
52.110.12.56

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report