General
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Target
KexSetup_Release.exe
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Size
3.9MB
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Sample
250112-laaftsymel
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MD5
5ff4a6c13b8c01e51042ac1213f39a34
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SHA1
28709831e3f5833fd5ba679d05e7a20981c550cc
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SHA256
1e15a4290cff615f5b7dc68e1e4588778f5172ac0ed50a111885ae2d7ff2c76d
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SHA512
09474c45cbd93897c5a9240d25b4b491e3ceba6fbcef5b79b01b7e25a5af84a9b17b34c683bd9e73db4a916901809c53336035a0757b856d0cbb17dc3b2dd107
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SSDEEP
98304:DST4mY6vkrpMgT3epjrsbLXMhN0U4N8l/MDxW76+44IY:uTY6vMMgT3eRuWpRz6+4xY
Static task
static1
Behavioral task
behavioral1
Sample
KexSetup_Release.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
KexSetup_Release.exe
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Size
3.9MB
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MD5
5ff4a6c13b8c01e51042ac1213f39a34
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SHA1
28709831e3f5833fd5ba679d05e7a20981c550cc
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SHA256
1e15a4290cff615f5b7dc68e1e4588778f5172ac0ed50a111885ae2d7ff2c76d
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SHA512
09474c45cbd93897c5a9240d25b4b491e3ceba6fbcef5b79b01b7e25a5af84a9b17b34c683bd9e73db4a916901809c53336035a0757b856d0cbb17dc3b2dd107
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SSDEEP
98304:DST4mY6vkrpMgT3epjrsbLXMhN0U4N8l/MDxW76+44IY:uTY6vMMgT3eRuWpRz6+4xY
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Renames multiple (51) 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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Event Triggered Execution: Image File Execution Options Injection
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Browser Extensions
1Event Triggered Execution
3Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
3Change Default File Association
1Component Object Model Hijacking
1Image File Execution Options Injection
1