General
Static task
static1
URLScan task
urlscan1
Malware Config
Extracted
quasar
1.4.1
Office04
4.tcp.eu.ngrok.io:13107
a513133e-21b9-4038-af79-f32a1e59acd1
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encryption_key
67B6CC0217807251E05CEAAFF1F94BE68053AAD2
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install_name
svchost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
AMD Radeon Graphics 2022
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subdirectory
SubDir
Targets
-
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Target
https://gofile.io/d/hOwM5U
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Quasar payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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XMRig Miner payload
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Blocklisted process makes network request
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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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Creates new service(s)
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1