General
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Target
lime.ndll
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Size
7.8MB
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Sample
240711-q2ks4ayenk
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MD5
10c074a00debe4a97608e78cb36247ab
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SHA1
779125eb7faef7e549eff67eeb55c177a8dfbc70
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SHA256
2c1d1c6cc6fea441623d1cdc663656f171fa66d92809a157915c2ada06a121cf
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SHA512
86080ba0ad936148f46f3cc56c8b5c474c72b9089657e7bd21286a2a2114eb07f20870e0dd96318685024ab929d17a382529c383049b7bd056553c4565473485
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SSDEEP
98304:z0A/ndXX+HO+M16KrdFLJRzdfiHy4AyBS6iHIA198:z0wXX+Hc1nrtRgz
Static task
static1
Behavioral task
behavioral1
Sample
lime.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
lime.dll
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
lime.ndll
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Size
7.8MB
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MD5
10c074a00debe4a97608e78cb36247ab
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SHA1
779125eb7faef7e549eff67eeb55c177a8dfbc70
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SHA256
2c1d1c6cc6fea441623d1cdc663656f171fa66d92809a157915c2ada06a121cf
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SHA512
86080ba0ad936148f46f3cc56c8b5c474c72b9089657e7bd21286a2a2114eb07f20870e0dd96318685024ab929d17a382529c383049b7bd056553c4565473485
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SSDEEP
98304:z0A/ndXX+HO+M16KrdFLJRzdfiHy4AyBS6iHIA198:z0wXX+Hc1nrtRgz
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Chaos Ransomware
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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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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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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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Legitimate hosting services abused for malware hosting/C2
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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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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
2