MALICIOUS — a570a700e24f870ad9a245145d7fda1d8180c6e119b9175ac506afb01f3556da

MALICIOUS — a570a700e24f870ad9a245145d7fda1d8180c6e119b9175ac506afb01f3556da 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: a570a700e24f870ad9a245145d7fda1d8180c6e119b9175ac506afb01f3556da
SHA-1: 5c7b839e1a842f78cdc5b5b2b129d4b353c7c625
MD5: 127f8c207f3e6c545923975e6c4ca649
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFdt5Isxqav5kVjOg9neLu0+xD03yGc:O+K88uPCHF5lPjLu5D03yGc
TLSH: T1CA5A23C55E2A9B09D7F2C49038157A6EC082E4D2D6BD088A82CFF11D73DB56774720AB
Submitted as: a570a700e24f870ad9a245145d7fda1d8180c6e119b9175ac506afb01f3556da
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)

12900 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\1836.tmp - f9f0a764adadc0a20b9017e6bd8c34251bf3d0638b16327c25b69a24679e1601
c:\users\analyst\appdata\local\temp\tsk_e387f503e9174c0b.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
25cff2bc287d3297f599035f5c81a1e9b40d1b9c6df3227dbe106da10e9592c7 - 25cff2bc287d3297f599035f5c81a1e9b40d1b9c6df3227dbe106da10e9592c7

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

51.116.246.106
4.230.171.124
40.84.97.4
135.232.92.97
52.230.59.222
4.150.223.111
135.232.92.137
104.18.33.89
172.178.240.161
72.154.7.114
92.223.78.30
52.148.114.188
52.110.12.55
52.110.12.22

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report