MALICIOUS — 84522221dc296ac781c071589b27a7fadbe8046f713d576ff52324cde21a0b9d

MALICIOUS — 84522221dc296ac781c071589b27a7fadbe8046f713d576ff52324cde21a0b9d 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: 84522221dc296ac781c071589b27a7fadbe8046f713d576ff52324cde21a0b9d
SHA-1: 11d736f141328156bc5186d5349544aa2fb3a0b5
MD5: 77b890a12ef8d600c2036784dc0c4acd
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFVfX9S5VTqtyqf64rNynO4IPwUyGc:O+K88uPCHDX9sQ/S4xyO4IXyGc
TLSH: T11E5A23C9AB299B0DE2F6D5902818367DC042E4D692780DCE428FF11D73E756778321AB
Submitted as: 84522221dc296ac781c071589b27a7fadbe8046f713d576ff52324cde21a0b9d
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)

12888 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\F925.tmp - 1bad063d546241e4263627c300146d4f932151945a080b3e135b463698cff253
c:\users\analyst\appdata\local\temp\tsk_6ad1c9b5feda4300.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
fc8db4823aa9b8bda51147f53ea8256a66005acd377a40eab86f0dbbed79076a - fc8db4823aa9b8bda51147f53ea8256a66005acd377a40eab86f0dbbed79076a

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

yz.pl
t.fi
schemas.microsoft.com
aefd.nelreports.net

Embedded IP addresses

4.150.223.103
172.215.188.232
20.247.184.142
52.123.252.213
4.230.171.124
57.155.101.212
135.232.92.97
74.178.240.61
52.182.141.63
4.150.223.102
20.42.65.88
135.234.160.245
4.247.188.224
72.154.7.104
52.148.114.188
52.110.12.28
52.110.12.30

More Zusy samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report