MALICIOUS — 4599af5cb33dd49021960d7380efce39c5e9ad56bed0fb762034dfe8d508f034

MALICIOUS — 4599af5cb33dd49021960d7380efce39c5e9ad56bed0fb762034dfe8d508f034 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: 4599af5cb33dd49021960d7380efce39c5e9ad56bed0fb762034dfe8d508f034
SHA-1: 34b26106d4c7f313fbd0ee66ed004fa253c5c072
MD5: 25671f8aa067e096933eb4eeae42aea8
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFzw1a7B72mfjwc9rL3mNi7+OfyGc:O+K88uPCHWa7tVUc9rqN2+OfyGc
TLSH: T1C65A23885A26CB09F7F1D491281927AEC042F4D68778488E538FF12D73E757B68311AB
Submitted as: 4599af5cb33dd49021960d7380efce39c5e9ad56bed0fb762034dfe8d508f034
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 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)

13708 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_eacbbe8874a34d92.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\D3AB.tmp - 2d0db2f6351479821c2a8dd45bac84f8a076c5992f03ddb7c905a0a1f1ba28c6
141d981871d97478f732ea002f33626b297d363c642bd0b441e804a66ae637cf - 141d981871d97478f732ea002f33626b297d363c642bd0b441e804a66ae637cf

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

20.184.175.13
20.247.184.197
4.230.171.124
162.159.142.9
52.168.112.67
20.42.65.91
52.110.12.54
52.110.12.51
57.155.101.212
135.233.45.222
20.42.179.204
52.110.12.47
52.148.114.188
52.110.12.8
72.145.35.110

File paths

e:\5z
W:\_(^y

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report