MALICIOUS — f73620eb52e2f83d73411acd3e17fb8765041cf288372113fbe24ec0a2411a51

MALICIOUS — f73620eb52e2f83d73411acd3e17fb8765041cf288372113fbe24ec0a2411a51 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: f73620eb52e2f83d73411acd3e17fb8765041cf288372113fbe24ec0a2411a51
SHA-1: cb752fe9f83dac8a68b9342faa87df843af6cce6
MD5: d4dffb0b40ca1cfecce591a6eaaf66fe
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFUTCT1XGILldGQvyQwhbSWryGc:O+K88uPCH2TveByQdGyGc
TLSH: T16D5A23C7962D974DE6F2D090281A3A6E8082E4C257BC59CA828FF12E37DB5B73431157
Submitted as: f73620eb52e2f83d73411acd3e17fb8765041cf288372113fbe24ec0a2411a51
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 16 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001 - 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)

8472 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_6c70f8bc3e3c49e0.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\4263.tmp - c1d2097365494f033bc9206571caf313a76cffeb5d7529ece6af3ab52ffb799d
40f1597bd0b1a2af4f25cc502d97e12773d4910a519baea0e083dc522f688863 - 40f1597bd0b1a2af4f25cc502d97e12773d4910a519baea0e083dc522f688863

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

n.ml
0.ga
schemas.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

20.42.73.26
4.247.188.224
4.144.132.223
52.123.252.238
4.230.171.124
40.84.85.40
20.165.94.63
135.232.92.97
20.184.175.8
104.18.33.89
52.110.12.38
52.110.12.14
52.148.114.188
72.145.35.99
52.110.12.33
52.110.12.19

File paths

R:\\A

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report