MALICIOUS — 53fd5d53cbaaea05057a2f0d954eb39c422d264e404559fbd47f6efbbf071042

MALICIOUS — 53fd5d53cbaaea05057a2f0d954eb39c422d264e404559fbd47f6efbbf071042 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: 53fd5d53cbaaea05057a2f0d954eb39c422d264e404559fbd47f6efbbf071042
SHA-1: 4ad1ec7a365063f01f06948c260c477b2305a31d
MD5: b6bdb5c239e0d97dd4ddf57d2d878d22
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFlijZtvr/S8FfGeYBH3v4r/1lhOyGc:O+K88uPCHbSZBaeY5f4r/1lhOyGc
TLSH: T1955A2395661E9B0DE6F2C080381926AEC542E8D697BC498F428FF02D73DB87B743115B
Submitted as: 53fd5d53cbaaea05057a2f0d954eb39c422d264e404559fbd47f6efbbf071042
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 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)

13682 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\D198.tmp - ca684be0b3e1146aac1e73fc1b9cf90b82744f38dd52e5a4d6cfb21ae7b1031e
c:\users\analyst\appdata\local\temp\tsk_569c95aec25d4f83.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
6442df22ab3f86b73767db23f44d07bad46ad918c6ed0445abd8987560444fc8 - 6442df22ab3f86b73767db23f44d07bad46ad918c6ed0445abd8987560444fc8

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

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

Embedded IP addresses

20.184.175.3
52.253.84.76
4.230.171.124
20.42.65.93
20.42.65.88
135.233.45.223
40.84.97.4
72.154.7.97
52.148.114.188
52.110.12.8
52.110.12.46

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report