MALICIOUS — 4474a04a9598a074ed02e6fa6ce8d94febee1c693416f058877ce5064a22f8e9

MALICIOUS — 4474a04a9598a074ed02e6fa6ce8d94febee1c693416f058877ce5064a22f8e9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the C83B492E family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 4474a04a9598a074ed02e6fa6ce8d94febee1c693416f058877ce5064a22f8e9
• SHA-1: fae8ef9069309c953cc5d60fcc1a1373b5237fda
• MD5: d0451871ef7762a70ddaa26b52dc653d
• imphash: 95122753ea27818b35f9b51859e4c692
• ssdeep: 24576:N2oo60HPdt+1CRiY2eOBvcj3u10doV7rGlO++snDZUZ9el9s4qagGFOfxl3k0hwy:Qoa1taC070d+rrFEa6rqagGYfk0hwJ4
• TLSH: T1995A2346574A6B0CF5FAC0853C29216EC44298F76338158F528BF05FB3DA9A778211EB
• Submitted as: 4474a04a9598a074ed02e6fa6ce8d94febee1c693416f058877ce5064a22f8e9
• File type: pe · Size: 1958400 bytes
• Verdict: malicious (99/100) · Family: C83B492E

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): Trojan.Win32.Bingoml.ckfs

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 Dump:Generic.Dacic.17983.C83B492E (rule Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Trojan.Win32.Bingoml.ckfs (rule Trojan.Win32.Bingoml.ckfs) - 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 17 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: 4 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 6068) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

14318 behavior events · 2 ATT&CK techniques · 2 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• 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.
• 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.
• 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.
• 252.0.0.224.in-addr.arpa.
• 103.223.150.4.in-addr.arpa.
• 85.52.40.23.in-addr.arpa.
• nexusrules.officeapps.live.com
• 150.109.171.150.in-addr.arpa.
• ctldl.windowsupdate.com
• v20.events.data.microsoft.com
• 172.30.101.151.in-addr.arpa.
• v10.events.data.microsoft.com
• 0.175.184.20.in-addr.arpa.
• 250.255.255.239.in-addr.arpa
• desktop-hsgcbep
• update.googleapis.com

Dropped files

• C:\Users\analyst\AppData\Local\Temp\F2BC.tmp - 1d522dd901a346ff7b353abdc6f9658dfb8241b8f4e11a40cbf99bbdb1514990
• ed14f10bfe97a8016657e3ff98c307e460be200ae8df50afbd4172d41c769798 - ed14f10bfe97a8016657e3ff98c307e460be200ae8df50afbd4172d41c769798

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

Embedded IP addresses

• 104.208.16.94
• 4.150.223.103
• 72.145.35.97
• 172.172.255.218
• 20.184.175.0
• 52.168.117.170
• 72.154.7.99
• 4.150.223.112
• 72.145.35.109
• 52.148.114.188
• 72.145.35.96
• 52.168.117.168
• 40.84.97.4
• 51.105.71.136
• 4.150.223.104
• 172.172.255.216
• 203.26.79.13
• 72.145.35.103
• 135.234.160.245
• 85.210.193.152
• 20.247.184.142
• 52.110.12.31
• 4.230.171.124

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report