MALICIOUS — 331deff7ea1f29e4e8067c28e733dcc786c742282138ba0ad9677520f9b637a5

MALICIOUS — 331deff7ea1f29e4e8067c28e733dcc786c742282138ba0ad9677520f9b637a5 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: 331deff7ea1f29e4e8067c28e733dcc786c742282138ba0ad9677520f9b637a5
SHA-1: aac4c5d9fc9b2edecec21146411fef60dd52e27d
MD5: 3ce34c0a0ecaaebfa30db94a32ed8fe3
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SF+z/413TTWFrPzrBNYyGc:O+K88uPCHSw3HWFrPHcyGc
TLSH: T1445A238696258B0DE3F3D940281976AEC581F8D2937C488A428FF01E73DB87B787115B
Submitted as: 331deff7ea1f29e4e8067c28e733dcc786c742282138ba0ad9677520f9b637a5
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 3 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)

13661 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_28a84dadfef042bf.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\CE3C.tmp - eecafb9315746f17f7a8f961b3435d01650e632d6d212e0e1d7fd8f9f71669d6
473ceb7cd5090f866b1563de6c3b85d7fa5239b03c5ee8779f4c9a3f291637f6 - 473ceb7cd5090f866b1563de6c3b85d7fa5239b03c5ee8779f4c9a3f291637f6

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

q.in
e.tv
schemas.microsoft.com

Embedded IP addresses

4.207.44.71
52.123.252.240
40.84.85.40
4.230.171.124
4.144.132.223
172.66.2.5
52.110.12.38
52.110.12.44
135.233.45.222
4.247.188.224
4.150.223.105
72.145.35.96
52.148.114.188
52.110.12.28
52.110.12.32

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report