MALICIOUS — 9f96ad16b0225d3d6687a46c98ceda6ca7c2932ea2371f2cbb1ad5dc7e4bd26c

MALICIOUS — 9f96ad16b0225d3d6687a46c98ceda6ca7c2932ea2371f2cbb1ad5dc7e4bd26c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Killmbr family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: 9f96ad16b0225d3d6687a46c98ceda6ca7c2932ea2371f2cbb1ad5dc7e4bd26c
• SHA-1: 4f593f6ee5a3c856cd760268bdd10c7c350afa8e
• MD5: 808c0dc14b6fa179f00bd8644e66aeed
• imphash: 7620a1e60c654c0cf0711321dbe5d7db
• ssdeep: 3072:tCGPVHzzgd2HPVVf9AebuLFfK9s7I8PBhNgD3qM8vghA9:trak9gor8PD67qM8vg
• TLSH: T1E03F6D3C4B273602D7FBDA654892A79E4C72B8791431E88CD293442DEBF2C7397A1518
• Submitted as: 9f96ad16b0225d3d6687a46c98ceda6ca7c2932ea2371f2cbb1ad5dc7e4bd26c
• File type: pe · Size: 155648 bytes
• Verdict: malicious (100/100) · Family: Killmbr

Detections (5 of 56 engines)

• ClamAV (daily): Win.Malware.Killmbr-7989846-0
• Microsoft Defender: Trojan:MSIL/KillMBR.RPJ!MTB
• Emsisoft (Emergency Kit): Gen:Variant.KillMBR.50
• Trellix Stinger (McAfee): DiskWiper!808C0DC14B6F
• Kaspersky (KVRT): HEUR:Trojan.Win32.Convagent.gen

MITRE ATT&CK

• T1547.001
• T1057
• T1112
• T1053.005

Why this verdict

The malicious score of 100/100 is the fusion of 12 weighted signals:

• ClamAV (daily) flagged Win.Malware.Killmbr-7989846-0 (rule Win.Malware.Killmbr-7989846-0) - engine signal, weight 0.90, confidence 0.95
• 2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.63, confidence 0.90
• Microsoft Defender flagged Trojan:MSIL/KillMBR.RPJ!MTB (rule Trojan:MSIL/KillMBR.RPJ!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.KillMBR.50 (rule Gen:Variant.KillMBR.50) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged DiskWiper!808C0DC14B6F (rule DiskWiper!808C0DC14B6F) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Convagent.gen (rule HEUR:Trojan.Win32.Convagent.gen) - engine signal, weight 0.55, confidence 0.85
• Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 1 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hollowing in LogonUI.exe (pid 3820) (rule windows.hollowprocesses.HollowProcesses) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

45 behavior events · 2 ATT&CK techniques · 0 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• update.googleapis.com
• desktop-hsgcbep
• login.live.com
• v20.events.data.microsoft.com
• licensing.mp.microsoft.com
• config.edge.skype.com
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com
• assets.msn.com
• www.bing.com
• settings-win.data.microsoft.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded URLs

• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded IP addresses

• 4.150.223.110
• 52.230.59.222
• 4.230.171.124
• 172.215.188.225
• 52.110.12.53
• 52.110.12.44

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report