MALICIOUS — c23e29bd44aa683f4ca790fdfdef8134dfe709d9272ba83bedae4104aea2db74

MALICIOUS — c23e29bd44aa683f4ca790fdfdef8134dfe709d9272ba83bedae4104aea2db74 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: c23e29bd44aa683f4ca790fdfdef8134dfe709d9272ba83bedae4104aea2db74
SHA-1: 48c6c347e5c245458fb6086817134043321a023f
MD5: 4762d1b0fbc437b9cbee06e263a71eeb
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFvqZDyCh2A/3SAzlUXk7+jPbA3tJ+yGc:O+K88uPCHPy9RA9C+yGc
TLSH: T1225A23C69B1AAF09E6F1C5902C1866AEC441E0D6967C48CE824FF21D73E7A67B43111F
Submitted as: c23e29bd44aa683f4ca790fdfdef8134dfe709d9272ba83bedae4104aea2db74
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 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)

7236 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_87e80049d8064a05.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\5FED.tmp - 62b604b0bcf3ebe99956d9a98b1adc8524b57a3965b2fa213215de758aca7b60
4f8e9a513f7fe615a4373ba979adf2c96b8cb300fd20bcc112df9ce4926e8358 - 4f8e9a513f7fe615a4373ba979adf2c96b8cb300fd20bcc112df9ce4926e8358

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

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

Embedded IP addresses

13.89.179.15
4.230.171.124
4.247.188.224
74.179.77.164
4.144.132.223
74.179.77.204
51.105.71.137
52.110.12.14
72.153.5.96
52.148.114.188
52.110.12.50
52.110.12.8

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report