MALICIOUS — 7ff31883a1461bec77799ba3ddf67f14da72dcad7eb01b3287d425ee259405f9

MALICIOUS — 7ff31883a1461bec77799ba3ddf67f14da72dcad7eb01b3287d425ee259405f9 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: 7ff31883a1461bec77799ba3ddf67f14da72dcad7eb01b3287d425ee259405f9
SHA-1: ce03052f690f5768bbd8ac1433c0eef91bcbb149
MD5: aaa831acf52623f51e674d7fe3bdcf0d
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFPESQQhcRoyDq5eJWM0U7rPzyGc:O+K88uPCH5Q/RdDq56WFyyGc
TLSH: T1E55A23D99A1E1B49D3F2C99024192A7D8442B9D2E3BC08CF428FF11D73D7567782229B
Submitted as: 7ff31883a1461bec77799ba3ddf67f14da72dcad7eb01b3287d425ee259405f9
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 6 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)

12937 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_c63f5c256df54c06.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\F84A.tmp - 00fda2d40f677038750e1384ffb69d2cfb8e481d82d421687bf00d9c2f132898
dbf6582daf16a7795e80022a209e2160738ee07b0b70ab8d9d04d03a50ec6604 - dbf6582daf16a7795e80022a209e2160738ee07b0b70ab8d9d04d03a50ec6604

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

7.es
x.me
schemas.microsoft.com

Embedded IP addresses

20.42.72.131
4.230.171.124
57.154.63.210
20.247.185.124
20.165.94.54
52.168.117.169
74.178.76.128
52.110.12.8
52.110.12.49
92.223.78.30
135.234.160.245
135.234.160.247
20.42.179.204
172.215.188.232
72.145.35.99
52.148.114.188
52.110.12.55
52.110.12.45

More Zusy samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report