General
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Target
https://bazaar.abuse.ch/sample/6e4030c0c65c90c8e020030b6214a9bc2905be19e9d644d658f027064f067460/
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Sample
240928-esp6nswfnj
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://bazaar.abuse.ch/sample/6e4030c0c65c90c8e020030b6214a9bc2905be19e9d644d658f027064f067460/
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
https://bazaar.abuse.ch/sample/6e4030c0c65c90c8e020030b6214a9bc2905be19e9d644d658f027064f067460/
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
https://bazaar.abuse.ch/sample/6e4030c0c65c90c8e020030b6214a9bc2905be19e9d644d658f027064f067460/
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (518) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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mimikatz is an open source tool to dump credentials on Windows
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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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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Adds Run key to start application
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1