General
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Target
KIWIX V3.1.rar
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Size
8.7MB
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Sample
240310-nlal3sca4s
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MD5
9cf34f46b9afe38750ace93847f12983
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SHA1
63bc3b4a1ee041340215701de61e64cc80984412
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SHA256
9ef84ee6a8079e8f9c3011cb162a51804954c75e04a4810e24fa4393811372b7
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SHA512
28381a282d78131c927f162d32b522b264377ccc90166dfff5e0d905215a76830ef9d91179fce235b86a4ea90ecc2c5960115df6ecdeb638f1dc1f42fe959e2a
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SSDEEP
196608:EHA4GkQxgvXI6EdtmD5EYiQNwLbQtNkJdycAg0vlfSS/Al43/fK:EHAvYXQdoD28IsIzycAHsf
Static task
static1
Behavioral task
behavioral1
Sample
KIWIX V3.1.rar
Resource
win7-20240221-en
Malware Config
Targets
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Target
KIWIX V3.1.rar
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Size
8.7MB
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MD5
9cf34f46b9afe38750ace93847f12983
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SHA1
63bc3b4a1ee041340215701de61e64cc80984412
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SHA256
9ef84ee6a8079e8f9c3011cb162a51804954c75e04a4810e24fa4393811372b7
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SHA512
28381a282d78131c927f162d32b522b264377ccc90166dfff5e0d905215a76830ef9d91179fce235b86a4ea90ecc2c5960115df6ecdeb638f1dc1f42fe959e2a
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SSDEEP
196608:EHA4GkQxgvXI6EdtmD5EYiQNwLbQtNkJdycAg0vlfSS/Al43/fK:EHAvYXQdoD28IsIzycAHsf
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Detect Umbral payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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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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Drops startup file
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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 installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the 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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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1