MALICIOUS — 8124a8cdd1fa54b0a8edc0f6cdd93b889b10375b5c92aa72516194c13644e8be

MALICIOUS — 8124a8cdd1fa54b0a8edc0f6cdd93b889b10375b5c92aa72516194c13644e8be is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 8124a8cdd1fa54b0a8edc0f6cdd93b889b10375b5c92aa72516194c13644e8be
SHA-1: 98a2b65085eb9bc7c796cdc3db52c9d33836939f
MD5: 16b724dbe1d1bd213fbc8f20ede2086a
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SF9ZUefSK9bD7RWjKvhBStrDon7QDfaFPyGyGc:O+K88uPCHKefScFStDlDfaBpyGc
TLSH: T18F5A23C696265B0AF7F2C490381E267E8402E4DA97B949CE828FF21D33CB567743115B
Submitted as: 8124a8cdd1fa54b0a8edc0f6cdd93b889b10375b5c92aa72516194c13644e8be
File type: pe · Size: 2089472 bytes
Verdict: malicious (96/100) · Family: Zusy

Detections (4 of 55 engines)

ClamAV (daily): Win.Malware.Zusy-9764479-0
Microsoft Defender: Trojan:Win32/Salgorea!pz
Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
Kaspersky (KVRT): Backdoor.Win32.Salgorea.ie

MITRE ATT&CK

T1543.003

Why this verdict

The malicious score of 96/100 is the fusion of 4 weighted signals:

ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
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 (19 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\44A5.tmp - 3bc5d25ef10704db1fe2e168bee1383a5cb62d8ac53c17b441d97ba216c16bf9
85f0f81e51d310de1051d07ccf95844734684717765de55d9440f9a3e5b61ec1 - 85f0f81e51d310de1051d07ccf95844734684717765de55d9440f9a3e5b61ec1

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=1787798465&P2=404&P3=2&P4=YpD7z8sdG5GydDEN3NcR1WSZhHzrxl%2bRg5TVH6hLoAichLlS48pvhk2BZJnY7W4erCqpFrMPeNo94T4wmFS4%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=1787798527&P2=404&P3=2&P4=dgf%2bAEvLbbuuI3iKOsbwGrLA%2bRT%2bGj4K9czEqwgA2MqI1jEL6OY%2bshZnZhP5WNevH4vCjYr4TILpLFXHSAcFLA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

schemas.microsoft.com

Embedded IP addresses

172.215.188.232
20.42.65.94
85.210.193.152
4.144.132.114
4.230.171.124
135.232.92.137
135.232.92.97
40.104.4.2
20.231.239.246
52.123.129.14
52.123.128.14
20.42.65.88
172.178.240.162
203.26.79.13
74.179.71.159
52.110.12.56
52.110.12.28
52.148.114.188
72.154.7.106
52.110.12.38
52.110.12.47

File paths

J:\)L

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report