General
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Target
WinLogonON.exe
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Size
565KB
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Sample
240902-mjzmrayhjc
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MD5
be3e3d2a8c029d6cfb324af3c1cceee7
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SHA1
061f80dc9ec4c2935490e4e11c5861b58f5c4b1a
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SHA256
66b71d60c4103fb1b95be9e2d3d1501a15df33cb92bca1f0c81331b9b366895f
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SHA512
436eff8b25d51e7586fc9f754639e5e8e21c663bb4548cac5363dd1433fd556457e7daba832c8afd115d316c4cdd2d45fb5d67500a212e0d742a399ae3a0af2f
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SSDEEP
6144:HqV/h5brsnKupuuj1xgC00rWh/8PC80oR7XthcRqjzDkXmVJeMXerbibRSnhzCAy:K1BGuDC7ah/qC80od/zDoMXerDb3dAAk
Static task
static1
Behavioral task
behavioral1
Sample
WinLogonON.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
WinLogonON.exe
Resource
win11-20240802-en
Malware Config
Extracted
phemedrone
https://api.telegram.org/bot6402440693:AAF1j3C2NXNnJXZ815ob_SOy3ipmEI30-5s/sendDocument
Extracted
gurcu
https://api.telegram.org/bot6402440693:AAF1j3C2NXNnJXZ815ob_SOy3ipmEI30-5s/sendDocumen
Targets
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Target
WinLogonON.exe
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Size
565KB
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MD5
be3e3d2a8c029d6cfb324af3c1cceee7
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SHA1
061f80dc9ec4c2935490e4e11c5861b58f5c4b1a
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SHA256
66b71d60c4103fb1b95be9e2d3d1501a15df33cb92bca1f0c81331b9b366895f
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SHA512
436eff8b25d51e7586fc9f754639e5e8e21c663bb4548cac5363dd1433fd556457e7daba832c8afd115d316c4cdd2d45fb5d67500a212e0d742a399ae3a0af2f
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SSDEEP
6144:HqV/h5brsnKupuuj1xgC00rWh/8PC80oR7XthcRqjzDkXmVJeMXerbibRSnhzCAy:K1BGuDC7ah/qC80od/zDoMXerDb3dAAk
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Modifies WinLogon for persistence
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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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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Loads dropped DLL
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Modifies system executable filetype association
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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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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Drops desktop.ini file(s)
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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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
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
3AppInit DLLs
1Change Default File Association
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
3AppInit DLLs
1Change Default File Association
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3