MALICIOUS — 3a2eb17d5f9066a56a2b6a78ace0c13eba2daf943b4d602e04f4c517741f5b4d

MALICIOUS — 3a2eb17d5f9066a56a2b6a78ace0c13eba2daf943b4d602e04f4c517741f5b4d 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: 3a2eb17d5f9066a56a2b6a78ace0c13eba2daf943b4d602e04f4c517741f5b4d
SHA-1: 29ff1c695812e6d1aaf34449a2fcfdb8df26b767
MD5: 0ba2f15aa51f19679aa4cd6291433e42
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFZwhFEaAhLH38JKJY5IXOhWqgAWSKyGc:O+K88uPCH+UHz8IXWWXTSKyGc
TLSH: T10B5A2382A929174CD7F2C5803829277E8102E5D697BC1D8A524FF13E73DF46BA4321A7
Submitted as: 3a2eb17d5f9066a56a2b6a78ace0c13eba2daf943b4d602e04f4c517741f5b4d
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: flagged
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 flagged (rule flagged) - 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 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)

12914 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_0e59eba9bc734b6c.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\BD2.tmp - 18807e30e6009ca7ad7e91a6918a871417fbd84be669917e8f4ef18951158464
b2e8ae9e05966e408a7504282de582e871439827ab0e884632c6c9ebba5537ef - b2e8ae9e05966e408a7504282de582e871439827ab0e884632c6c9ebba5537ef

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

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

Embedded IP addresses

4.150.223.96
4.230.171.124
48.211.4.16
52.253.84.76
135.232.92.97
4.150.223.104
74.179.77.204
104.18.33.89
52.138.229.67
92.223.78.30
135.234.160.245
172.178.240.162
72.153.5.61
52.148.114.188
52.110.12.1

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report