MALICIOUS — 04feddaa4abfe23d439b8e177752f310bdcec581882fe6b11f05f8e40edc07fb

MALICIOUS — 04feddaa4abfe23d439b8e177752f310bdcec581882fe6b11f05f8e40edc07fb 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: 04feddaa4abfe23d439b8e177752f310bdcec581882fe6b11f05f8e40edc07fb
SHA-1: 0688141b9c87e6505bb21abf8581aa6f2d4ca50d
MD5: 95fda0b5f9ccf22e189f14c36139115c
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SF0E85ZLxtTMK33giWQUujixbfwqz2faTXyGc:O+K88uPCHS3L7TMKngirMxb5DyGc
TLSH: T16D5A23C69A699B4DE3F2C4812816227E8441E5C6937C498F438FF12E73DB967743209B
Submitted as: 04feddaa4abfe23d439b8e177752f310bdcec581882fe6b11f05f8e40edc07fb
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 17 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)

13687 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\CE2D.tmp - bd8d280eb6eb22a64c92f0bebd09c1a06271d89d137f05ad29f80f6694d91b10
c:\users\analyst\appdata\local\temp\tsk_cb435ab7375b49e4.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
41fe466e787c2eb7c52aef32d7ff72eae5c465f2b0edfbf15a0e772cf491121d - 41fe466e787c2eb7c52aef32d7ff72eae5c465f2b0edfbf15a0e772cf491121d

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

6.pw
schemas.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

20.42.65.93
4.144.132.223
4.230.171.124
52.110.12.40
52.110.12.21
135.234.160.245
57.155.101.212
52.168.117.168
13.69.109.131
72.154.7.101
52.148.114.188
52.110.12.51
52.110.12.20

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report