MALICIOUS — c2b3dee92f263f400c56dd0ed1bff890aa2f03f2f9978c98687bc8d327ec52a9

MALICIOUS — c2b3dee92f263f400c56dd0ed1bff890aa2f03f2f9978c98687bc8d327ec52a9 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: c2b3dee92f263f400c56dd0ed1bff890aa2f03f2f9978c98687bc8d327ec52a9
SHA-1: 42564ff40d917de645b9c271a9010ee90ab71be2
MD5: 8cec61e670034672c4b4bfdb0377daab
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:Qoa1taC070dQLB6GXPSb0MZbWnxx8220a:Qoa1taC0ZSbiw2fa
TLSH: T1905A238A2A19670CF6F6C5892C39116EC441E4EBA37C168F528FF14EB7CB957381109B
Submitted as: c2b3dee92f263f400c56dd0ed1bff890aa2f03f2f9978c98687bc8d327ec52a9
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 21 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80

Dynamic analysis (windows)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\1596.tmp - 8cb345b89096ed9459d8b81309eaaecf427c06ea9651b5ce9d350951d5e1bd64
cd086cb3d3e8c140804f61fd8eecacc780532d26ed43c36c0d4eaa26d14eb151 - cd086cb3d3e8c140804f61fd8eecacc780532d26ed43c36c0d4eaa26d14eb151

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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787943107&P2=404&P3=2&P4=T3Z3Yeew2X4oG330TdqGkUwhYKy6cN0pzxIaKE9jZNMJVB1QjB5yly1xxAXgcLH4Mjz7UBj4VYtA9kv2A5h%2fZQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787943182&P2=404&P3=2&P4=SuA4I53kcysh8ev9oHzXs5IA2g%2fH7w9kO2MU2pqEIRIYjAr7IlOa9B3WYfASmGDs%2bmfRTNiygUqimlvgssobag%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

schemas.microsoft.com

Embedded IP addresses

52.182.141.63
40.84.97.4
4.230.171.124
20.247.184.197
74.179.77.204
135.232.92.97
51.116.246.106
92.223.78.30
20.236.44.162
52.123.129.14
52.123.128.14
20.42.179.192
135.233.45.221
52.123.252.243
203.26.79.13
74.178.232.29
52.148.114.188
4.207.44.74
72.154.7.112
52.110.12.2
52.110.12.21

File paths

z:\6U
t:\%G=

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report