General
- Target LegacyLauncher.exe
- Size 111.8MB
- Sample260418-v69p8sc16w
- SHA256 f221bbff639b2fd41cfcff442daba438d5090383b874713eb6b0317ffdaa2871
- MD5 08dd659e16c9f47e14c29304304c2eab
- SHA1 8858871b6c6cc8c70cfbb631e10436d0003725f2
- SHA512 28e2a9823af8a2ecbd5f7aa4ddb26fef0b9a4b65ed5b43f103805543021ed0456fb1db3623620060cb1249971be3b09491711ecfed0ef1d48b46edf3e7fe1d4f
- SSDEEP 3145728:Ub5i6VFjqWB6jepP2QSeVfiLILRgw9lTG3IvM7RsqV:r6VdqWqPQ+w9lT/vURZ
- TLSH T15948333BE596503FD21836F131B3A134553AAF1058564811C6F8B99CFB329F3EC4AA9E
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
LegacyLauncher.exe
Resource
win10ltsc2021-20260130-en
Malware Config
Targets
-
- Target LegacyLauncher.exe
- Size 111.8MB
- SHA256 f221bbff639b2fd41cfcff442daba438d5090383b874713eb6b0317ffdaa2871
- MD5 08dd659e16c9f47e14c29304304c2eab
- SHA1 8858871b6c6cc8c70cfbb631e10436d0003725f2
- SHA512 28e2a9823af8a2ecbd5f7aa4ddb26fef0b9a4b65ed5b43f103805543021ed0456fb1db3623620060cb1249971be3b09491711ecfed0ef1d48b46edf3e7fe1d4f
- SSDEEP 3145728:Ub5i6VFjqWB6jepP2QSeVfiLILRgw9lTG3IvM7RsqV:r6VdqWqPQ+w9lT/vURZ
- TLSH T15948333BE596503FD21836F131B3A134553AAF1058564811C6F8B99CFB329F3EC4AA9E
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Downloads MZ/PE file
-
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.
-
Executes dropped EXE
-
Loads dropped DLL
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Modifies system executable filetype association
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Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1