MALICIOUS — f8a9e48e24c3a6ab4cbbfc398a10621aa4f9338009946ce512db76654c04a2b4

MALICIOUS — f8a9e48e24c3a6ab4cbbfc398a10621aa4f9338009946ce512db76654c04a2b4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: f8a9e48e24c3a6ab4cbbfc398a10621aa4f9338009946ce512db76654c04a2b4
SHA-1: 6bea9525191eeb59609459ddc13b37ec48ac7426
MD5: 01231e836dce7491aa63c90a4534f224
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFn3HSUman1rmazlzcmt0tKaK8cVzrPyGc:O+K88uPCHBHFrmQNr0h0yGc
TLSH: T1EB5A23D6AB159748F3F1C940281A276EC482E4D2977C08CA528FF11E73DB67B74211AB
Submitted as: f8a9e48e24c3a6ab4cbbfc398a10621aa4f9338009946ce512db76654c04a2b4
File type: pe · Size: 2089472 bytes
Verdict: malicious (99/100) · 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

T1543.003

Why this verdict

The malicious score of 99/100 is the fusion of 7 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 1 external host(s) and 18 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80

Dynamic analysis (windows)

144 behavior events · 1 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\5B59.tmp - 70565bc2863975f29a6491200b3e865405bae643d8b339436d83ee02011bbc93
7d95c00c11fe32bacc6581ba32b097764e0db22722cb089ec33afefc63b9d903 - 7d95c00c11fe32bacc6581ba32b097764e0db22722cb089ec33afefc63b9d903

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

4.150.223.99
57.155.101.212
4.230.171.124
135.232.92.137
74.178.240.51
4.150.223.104
4.144.132.223
20.247.185.124
162.159.142.9
52.110.12.28
52.110.12.56
20.42.65.94
4.207.44.74
72.153.5.139
52.148.114.188
52.110.12.3
52.110.12.46

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report