MALICIOUS — f45ff1d62db13e799649cb6b0d90c09fc5f223fec749f1594aec99e2b7093693

MALICIOUS — f45ff1d62db13e799649cb6b0d90c09fc5f223fec749f1594aec99e2b7093693 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: f45ff1d62db13e799649cb6b0d90c09fc5f223fec749f1594aec99e2b7093693
SHA-1: 81a3b0466cd2620529a492bbf9aa2e5a18187b47
MD5: 81edad640885ebee9b4015f6fa64c816
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:Qoa1taC070duBXndnmKwOXF682EMPslrDKFOiGy3:Qoa1taC0Dhndtn+P6rDS
TLSH: T1655A238A4A156B0DD3F9C4856C29165EC481B4F3A378198F428FF05FA7CF9A7342069B
Submitted as: f45ff1d62db13e799649cb6b0d90c09fc5f223fec749f1594aec99e2b7093693
File type: pe · Size: 1958408 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): Dump:Generic.Dacic.17983.C83B492E
Kaspersky (KVRT): Backdoor.Win32.Salgorea.ic

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 Dump:Generic.Dacic.17983.C83B492E (rule Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.ic (rule Backdoor.Win32.Salgorea.ic) - 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 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80

Dynamic analysis (windows)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\F8E6.tmp - b40f301a09aeaf5d26b8299f7a6f7285d58c690473ea05c07427306499af99a2
7fb9e3bbb14f2d3b578faff03e5cbbf64865106b9eee2e6053f71ebc71578743 - 7fb9e3bbb14f2d3b578faff03e5cbbf64865106b9eee2e6053f71ebc71578743

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://203.26.79.13/filestreamingservice//files/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788051970&P2=404&P3=2&P4=AVVfe2iBH1PO67SNvfIujGrlBqO03CDHPRA3lwZys2Qb9wkkt0PlM8MQ9o2lTFCKzd9GKPtCgYBUfIKrZ71HDQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

schemas.microsoft.com

Embedded IP addresses

52.168.117.168
52.230.59.222
40.84.97.4
4.230.171.124
74.179.77.164
104.18.33.89
74.179.77.204
52.168.117.170
40.79.197.34
74.178.76.128
74.178.76.44
203.26.79.13
162.159.142.9
52.110.12.48
52.110.12.33
52.110.12.21
72.153.5.140
52.110.12.30

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report