MALICIOUS — 1fd2e15395c0b6d59d64b37e411803969f7690ad1730c7d97597a0daf7a62e3a

MALICIOUS — 1fd2e15395c0b6d59d64b37e411803969f7690ad1730c7d97597a0daf7a62e3a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 1fd2e15395c0b6d59d64b37e411803969f7690ad1730c7d97597a0daf7a62e3a
SHA-1: ece362f21c63fca1aadea8f5342765e6362f08cf
MD5: 35630f06526206945b4af4a34d8ebd6e
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFx/rXhxHlCpj5Emi4p/ffgkkbFzbtdzM06yGc:O+K88uPCHfbrFCN6miCffgBbFvf6yGc
TLSH: T1E65A23C65A26570DE3F2C4903825677E8A45E4C256BC09CB428FF12E73DB5A7783209B
Submitted as: 1fd2e15395c0b6d59d64b37e411803969f7690ad1730c7d97597a0daf7a62e3a
File type: pe · Size: 2089472 bytes
Verdict: malicious (100/100) · Family: Zusy

Detections (4 of 56 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

Why this verdict

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

ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.GenericKDZ.110085 (rule Trojan.GenericKDZ.110085) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.ie (rule Backdoor.Win32.Salgorea.ie) - engine 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) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 2 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

13689 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_206eb752c4974b19.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\CA83.tmp - 48f9e050acfd95a41d93b75049ce9d8c448d05476dce52ef2d6b01f702786c42
97d6e96f33d6988ec47fedbd0fbfc6def438be0c8cbd614fd88d9972a9606b92 - 97d6e96f33d6988ec47fedbd0fbfc6def438be0c8cbd614fd88d9972a9606b92

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

Embedded domains

schemas.microsoft.com

Embedded IP addresses

4.150.223.103
4.144.132.114
4.230.171.124
20.184.175.3
20.42.65.94
162.159.142.9
172.215.188.225
52.110.12.33
52.110.12.50
135.233.45.221
184.84.165.136
72.145.35.106
52.148.114.188
52.110.12.1
52.110.12.52

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report