General
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Target
http://web.archive.org
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Sample
240713-my533szelf
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://web.archive.org
Resource
win10v2004-20240709-en
Malware Config
Extracted
asyncrat
1.0.7
Default
95.216.52.21:7575
xdnqiaxygefjfoolgo
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delay
1
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install
false
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install_folder
%AppData%
Extracted
quasar
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reconnect_delay
5000
Extracted
xworm
3.1
behind-him.at.ply.gg:27180
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Install_directory
%AppData%
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install_file
USB.exe
Targets
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Target
http://web.archive.org
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Detect Xworm Payload
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies RDP port number used by Windows
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Impair Defenses: Safe Mode Boot
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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 NtSetInformationThreadHideFromDebugger
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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
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1