MALICIOUS — 4053cd8787b1f5af18c26cbe03d1c7239f0129ddbfab663528c9424b77e415f7

MALICIOUS — 4053cd8787b1f5af18c26cbe03d1c7239f0129ddbfab663528c9424b77e415f7 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: 4053cd8787b1f5af18c26cbe03d1c7239f0129ddbfab663528c9424b77e415f7
SHA-1: b557a89fdbf4c8f0200e2af07b360e276453e4a4
MD5: 230de4e19b10fb2d87d21458343dabc4
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:Qoa1taC070dpoycRyF6c1xcwrafDksd2:Qoa1taC0+RcRm6c1RWwsd2
TLSH: T1B95A22964B297B0DE6F5C5803828166DC402A4F6973C198B52CFF05EB3DBAA76C201D7
Submitted as: 4053cd8787b1f5af18c26cbe03d1c7239f0129ddbfab663528c9424b77e415f7
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: 3 finding(s), e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.55, 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 (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\93FD.tmp - a76efc0a1da569acdd3e79452406f8235e163551d1ac617f3fe88ae9d7f9e5f0
4858e6722d4b205a30a81cd224e6a1513986c879d4fb14cedba4827d34c10b70 - 4858e6722d4b205a30a81cd224e6a1513986c879d4fb14cedba4827d34c10b70

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/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=1787895074&P2=404&P3=2&P4=GMBCYzz%2bCc2fCI8%2fuJT2LmCuXlkLff7ksuR6X69m1K4SzQjrA2F5uwVUhXxAGZLOQsBt2KCdaxo0VI0e1yW%2bBg%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=1787895125&P2=404&P3=2&P4=PzHQ4TQ7ZMSWx%2fyZcYphFEu%2frddGseEZaBo3NC6ppyl%2fA3uIKfvqhn0lVIZXKINf%2b%2bn0Zna71dWxePq6p0KvbQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

j.za
schemas.microsoft.com

Embedded IP addresses

20.42.73.26
52.123.252.242
20.42.179.192
52.230.59.222
4.230.171.124
74.178.240.61
4.150.223.110
74.178.76.54
20.76.201.171
52.123.129.14
52.123.128.14
4.150.223.98
172.178.240.161
203.26.79.13
74.178.76.44
52.148.114.188
72.145.35.111
52.110.12.10
52.110.12.30

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report