MALICIOUS — 4a7d353a58836dbb6836120ca7132ba9ab64fdd9582e861e39138a4718bab021

MALICIOUS — 4a7d353a58836dbb6836120ca7132ba9ab64fdd9582e861e39138a4718bab021 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: 4a7d353a58836dbb6836120ca7132ba9ab64fdd9582e861e39138a4718bab021
SHA-1: 197f4476300d3d2c23256cbea022364e76eb5ddc
MD5: 0dbaa8090fa4047b927b8bec1ea29b4a
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFpX/0Uobth0dGcbQJDjm3ziQGCoAqGBcwYLPNyGc:O+K88uPCHn/0UC08eWjmjinAqGBuL1yf
TLSH: T1AD5A23D1562D5B0CE7F6C4902C1A27BD8882E9D796BC198A428FF02D33E7567383119B
Submitted as: 4a7d353a58836dbb6836120ca7132ba9ab64fdd9582e861e39138a4718bab021
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 3 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)

13688 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

c:\users\analyst\appdata\local\temp\tsk_91455a901f0e46e8.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
C:\Users\analyst\AppData\Local\Temp\CB2F.tmp - 5291e32d20b52e15fb9b5ac89c98425c8d90442142f4897b44aabf717b9215dc
608f994cd50005f01e4858c8508d4b05fa23e425ee991421a6b6259a8574b8cf - 608f994cd50005f01e4858c8508d4b05fa23e425ee991421a6b6259a8574b8cf

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

k.tk
schemas.microsoft.com

Embedded IP addresses

40.79.197.34
20.247.184.197
4.230.171.124
172.178.240.161
57.155.101.212
20.42.65.84
4.150.223.108
72.153.5.60
52.148.114.188
52.110.12.19
52.110.12.33

File paths

g:\YO

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report