MALICIOUS — 6aa86f527d272ba7a04de8434a12bbefbf9bb694e216b236afe728cabf01f074

MALICIOUS — 6aa86f527d272ba7a04de8434a12bbefbf9bb694e216b236afe728cabf01f074 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: 6aa86f527d272ba7a04de8434a12bbefbf9bb694e216b236afe728cabf01f074
SHA-1: aed5aaadd910377502870df8ee3efae6f57cc998
MD5: 3ecad287b970d190fe07967c6ea02c6c
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFjJGugdS/+yarRy6fDPkeOIBM8jdnyGc:O+K88uPCHCum2SzkeOIBHyGc
TLSH: T1E25A2385572A574DE7F2C98028162AAF8182E4D6977C498F028FF02E77DB57B383105B
Submitted as: 6aa86f527d272ba7a04de8434a12bbefbf9bb694e216b236afe728cabf01f074
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 13 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)

13681 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_5bc9a6a425074e1d.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\D10B.tmp - 210185c30dbfc38502f65b8948c7cdd84e92d5c4315eaa41fe571cb1530cfa9f
088b09806b7d8f6ee28ecb658dbf871c56283e0512934b1e86f94f3d11b83ad7 - 088b09806b7d8f6ee28ecb658dbf871c56283e0512934b1e86f94f3d11b83ad7

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

52.178.17.3
4.144.132.114
4.230.171.124
52.110.12.56
52.110.12.49
172.178.240.163
4.247.188.233
85.210.193.152
72.153.5.140
52.148.114.188
52.110.12.55
52.110.12.40

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report