MALICIOUS — b41dbb76e6b7df55199a9c4930f35a6b3537998202ad9808e2fc7c03aa37727a

MALICIOUS — b41dbb76e6b7df55199a9c4930f35a6b3537998202ad9808e2fc7c03aa37727a 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: b41dbb76e6b7df55199a9c4930f35a6b3537998202ad9808e2fc7c03aa37727a
SHA-1: 7ebcfd777a1d5c21dca8173985ceb603e44db71e
MD5: 1b3b922842f3be93060eb9f64c6739bc
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SF8AZmIMtewnGJpYaKnGun/088wF7yGc:O+K88uPCHy4PM4kHVn/08HVyGc
TLSH: T16D5A22D61A199B0DE2F2C450381627BD8502F5D697BD188B824FF02EB3E742B74711AB
Submitted as: b41dbb76e6b7df55199a9c4930f35a6b3537998202ad9808e2fc7c03aa37727a
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 17 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)

12373 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\E3C8.tmp - dda388ecc2257f46dbcf925b8ac83e8219eeec553ed2510df01cc10268c17abe
c:\users\analyst\appdata\local\temp\tsk_88d38552913a41f6.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
af2c33f39b06050d65b03a2ed171d91e8e6e21fa4aba1682f1d2cc8972343ab6 - af2c33f39b06050d65b03a2ed171d91e8e6e21fa4aba1682f1d2cc8972343ab6

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
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

schemas.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

4.150.223.103
4.144.132.114
4.230.171.124
20.42.179.192
172.66.2.5
52.110.12.3
52.110.12.16
20.184.175.0
13.89.179.15
135.233.45.221
172.215.188.225
57.155.101.212
184.84.165.171
172.178.240.163
72.145.35.106
52.148.114.188
52.110.12.19
52.110.12.15

File paths

G:\E
G:\)

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report