MALICIOUS — 985ef741c526dcbd4934dbe5244ec2519a4634b6488c10f54b3d74f32b5ec078

MALICIOUS — 985ef741c526dcbd4934dbe5244ec2519a4634b6488c10f54b3d74f32b5ec078 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: 985ef741c526dcbd4934dbe5244ec2519a4634b6488c10f54b3d74f32b5ec078
SHA-1: 4bd7b4647dc6c2f64849270b233dff3d781821c8
MD5: 8126eca69376cec6e79d2720e16d7508
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFmpo+nAsxGm+cuBUhtNykI5vyGc:O+K88uPCHj+nA8uB6FWvyGc
TLSH: T1A25A239A6A2A5B4DE7F6C150381A366F8441F4E786BC48CA538FF11D33A752B343214B
Submitted as: 985ef741c526dcbd4934dbe5244ec2519a4634b6488c10f54b3d74f32b5ec078
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 6 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)

12905 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_7c9513e6b9d4445e.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\C9D.tmp - 47f8bb0a654b72a53b1051a2ae6339c81452114f3018a7eaeba9bb30a64dee02
84349e046c674fa74958a8e665593eeefea99099da06c7794be3f929c0d65a94 - 84349e046c674fa74958a8e665593eeefea99099da06c7794be3f929c0d65a94

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

Embedded domains

schemas.microsoft.com

Embedded IP addresses

52.168.112.66
4.230.171.124
4.247.188.224
20.42.179.192
4.144.132.114
74.178.240.51
13.89.179.15
74.179.77.204
172.64.154.167
135.233.45.223
52.148.114.188
72.154.7.112
52.110.12.42
52.110.12.40

File paths

v:\oA

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report