MALICIOUS — aa7a5c1569115fc1183ca79f7c1f81789f981e04c85bffd5204f36ea0aaf21af

MALICIOUS — aa7a5c1569115fc1183ca79f7c1f81789f981e04c85bffd5204f36ea0aaf21af 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: aa7a5c1569115fc1183ca79f7c1f81789f981e04c85bffd5204f36ea0aaf21af
SHA-1: dd628a7215bd3da522d953f50edd6f12856b12b3
MD5: 79a24b3f56fc208a85b002ea9c02e84f
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFDAtvF7aeG86Ks1o9LnAUGod33FNw8Y63FyGc:O+K88uPCH1eGTKH53GodFNw8R3FyGc
TLSH: T1B25A23869A199709E7F2C5403855337D8442E9D797BC18CA438FF12E63DB86B74310AB
Submitted as: aa7a5c1569115fc1183ca79f7c1f81789f981e04c85bffd5204f36ea0aaf21af
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 1 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)

12905 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\EE57.tmp - 0c07eb9f12f06a55845713162cb0f3e2605fb12d38fb1f89c30efad5102951b1
c:\users\analyst\appdata\local\temp\tsk_6c00032ec7b749ad.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
727e85e2c557addd1b73d14dd09e4cfa8930a11a02f7258567dcef9729cde46b - 727e85e2c557addd1b73d14dd09e4cfa8930a11a02f7258567dcef9729cde46b

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

20.42.65.93
4.230.171.124
85.210.193.152
57.155.101.212
135.232.92.97
52.230.60.54
4.150.223.105
74.178.76.128
104.18.33.89
52.110.12.2
52.110.12.22
135.233.45.223
20.42.179.204
48.211.4.16
52.168.117.169
4.207.44.70
72.154.7.98
52.148.114.188
52.110.12.32
52.110.12.31

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report