General
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Target
https://cdn.discordapp.com/attachments/1266132249783435460/1266708240683761756/FunCeheker.zip?ex=66a6217a&is=66a4cffa&hm=3305d89aba28f6d48a64d9f909dd9821e8aa1930a7415657176035b06e7e827b&
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Sample
240727-mw36psvhnn
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1266132249783435460/1266708240683761756/FunCeheker.zip?ex=66a6217a&is=66a4cffa&hm=3305d89aba28f6d48a64d9f909dd9821e8aa1930a7415657176035b06e7e827b&
Resource
win10-20240404-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1266481582500483123/OqT52lSGTeY94sg6wFk2QYfeMnnDMrqXQ30WqY-aOddV3JIZ9oVD9RHheIHsNAlR5Vdn
Targets
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Target
https://cdn.discordapp.com/attachments/1266132249783435460/1266708240683761756/FunCeheker.zip?ex=66a6217a&is=66a4cffa&hm=3305d89aba28f6d48a64d9f909dd9821e8aa1930a7415657176035b06e7e827b&
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Detect Umbral payload
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory
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Event Triggered Execution: Image File Execution Options Injection
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Executes dropped EXE
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1