General
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Target
https://streamingcommunity.express/watch/105?e=3210
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Sample
240526-nest3sgd4z
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://streamingcommunity.express/watch/105?e=3210
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
https://streamingcommunity.express/watch/105?e=3210
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Renames multiple (63) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Modifies Installed Components in the registry
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Sets file execution options in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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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Drops file in System32 directory
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Defense Evasion
Modify Registry
5Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1