MALICIOUS — af838f796a6690da5fb4adb7138e5742673ddd00221689852dd47a4dd7a00afc

MALICIOUS — af838f796a6690da5fb4adb7138e5742673ddd00221689852dd47a4dd7a00afc is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Salgorea family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: af838f796a6690da5fb4adb7138e5742673ddd00221689852dd47a4dd7a00afc
• SHA-1: 65f62afbd6ee448daf2c0d069fa7ca1c5bfd1d56
• MD5: 467bae304f34287b6d0620dbf54eb649
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 49152:OFUcx88PWPOpX0SFYGgt753vrNLyBodpvft+RyGc:O+K88uPCHmGW753vroOdpXOyGc
• TLSH: T1485A22C59A195B4DE3F2C16138192BAD8882F4C697BC598B424FF02D73D793B742209B
• Submitted as: af838f796a6690da5fb4adb7138e5742673ddd00221689852dd47a4dd7a00afc
• File type: pe · Size: 2089472 bytes
• Verdict: malicious (99/100) · Family: Salgorea

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
• T1112

Why this verdict

The malicious score of 99/100 is the fusion of 8 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
• Contacted 21 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

28249 behavior events · 2 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 1.0.240.10.in-addr.arpa.
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 252.0.0.224.in-addr.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• dns.msftncsi.com
• 85.52.40.23.in-addr.arpa.
• nexusrules.officeapps.live.com
• 72.109.171.150.in-addr.arpa.
• ctldl.windowsupdate.com
• 172.30.101.151.in-addr.arpa.
• ..localmachine
• DESKTOP-HSGCBEP
• desktop-hsgcbep
• update.googleapis.com
• self.events.data.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\Temp\55A.tmp - 5518af0794f1e2fa81a2277c3a25adfe9cf91db6aaf0422827ea6afe76bdd7fa
• c:\users\analyst\appdata\local\temp\tsk_724cefbe25674171.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
• ec7e44aba75258d673668767c478602b796d2f54afc1915da89cd43d98dbabba - ec7e44aba75258d673668767c478602b796d2f54afc1915da89cd43d98dbabba

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

Embedded domains

• schemas.microsoft.com
• ..localmachine

Embedded IP addresses

• 85.210.193.152
• 20.42.65.94
• 52.168.117.168
• 203.26.79.13
• 72.145.35.97
• 72.154.7.99
• 52.148.114.188
• 20.42.179.204
• 172.172.255.216
• 20.42.73.30
• 72.145.35.103
• 4.150.223.97
• 72.145.35.109
• 20.184.175.0
• 172.172.255.218
• 4.150.223.109
• 4.150.223.112
• 51.105.71.136
• 104.208.16.94
• 72.145.35.96
• 4.150.223.103
• 20.247.184.142
• 52.123.252.229
• 4.230.171.124
• 57.155.101.212

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report