Resubmissions
05/03/2025, 18:11
250305-wss11avxav 1005/03/2025, 18:06
250305-wprzjavrz9 405/03/2025, 17:59
250305-wkxdfsvvfy 305/03/2025, 17:55
250305-whs81svvdw 305/03/2025, 17:45
250305-wb6wjavtev 805/03/2025, 17:30
250305-v3dhmat1ht 1005/03/2025, 17:26
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250305-vm2khstsax 1005/03/2025, 17:04
250305-vlb88ss1gs 305/03/2025, 16:25
250305-txctgasrs8 8General
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Target
http://melbet.com
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Sample
250305-wss11avxav
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://melbet.com
Resource
win10v2004-20250217-en
Malware Config
Targets
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Target
http://melbet.com
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Dharma family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (725) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Sets service image path in registry
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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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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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Impair Defenses: Safe Mode Boot
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
2Change Default File Association
1Component Object Model Hijacking
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
5Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1