General
- Target UmbrellaLoader.exe
- Size 4.6MB
- Sample260818-znk2dahl41
- SHA256 b696afba629fafdefef3cf4c4b657fbdf3a32e87be78f559b7a1618d0df1146d
- MD5 eaea3e787a4bf49e4846be4558b3071b
- SHA1 30539734f5a1ee7a81aa193d2cac66ef2ddceac8
- SHA512 7ce2fefff7ce913d1699fbb81978d16eb8db8fe5f0b322581bdb69c43577b8c0a6f0f3cb8bfc25c06890f7345fab674d825faaf41fb7a06e059789b8c5b88bc7
- SSDEEP 98304:nXRvOAkPPIizKIMyoQyzsJx2qFMKNnPbg6infkcf0AgU3OQ0NS2onjJIu6pex7wZ:/CXHxso3u6SET6xdaxudXl6kSI
- TLSH T1E526F10173F88B16D1AE5776A4704B4403F6E817EEAAD74FA784BAE61C837809F11367
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
UmbrellaLoader.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target UmbrellaLoader.exe
- Size 4.6MB
- SHA256 b696afba629fafdefef3cf4c4b657fbdf3a32e87be78f559b7a1618d0df1146d
- MD5 eaea3e787a4bf49e4846be4558b3071b
- SHA1 30539734f5a1ee7a81aa193d2cac66ef2ddceac8
- SHA512 7ce2fefff7ce913d1699fbb81978d16eb8db8fe5f0b322581bdb69c43577b8c0a6f0f3cb8bfc25c06890f7345fab674d825faaf41fb7a06e059789b8c5b88bc7
- SSDEEP 98304:nXRvOAkPPIizKIMyoQyzsJx2qFMKNnPbg6infkcf0AgU3OQ0NS2onjJIu6pex7wZ:/CXHxso3u6SET6xdaxudXl6kSI
- TLSH T1E526F10173F88B16D1AE5776A4704B4403F6E817EEAAD74FA784BAE61C837809F11367
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1