General
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Target
.
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Size
147KB
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Sample
240525-ntgelafe72
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MD5
08f87962a1b8825bfa5c17bcdb231053
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SHA1
392e2388dde314211190be184b299fcc9728023c
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SHA256
84eeeaa3f78578687c3bc6617b9c373a6959925d1bc1528ae57709c1475d8746
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SHA512
33e745b9b3a2367956240ba963060e4e8526684484f85e5911d4a7cc0ff6bbd5159b2d54ded67c7e99aa92da28e2651f99508a87aa930086b9bc86c0cc603687
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SSDEEP
1536:oAk6HxYftVkMn1/R4Dillk0zSP30vD9328s4DbHhqiS:XkRfPnRpllBwIpHhqiS
Static task
static1
Behavioral task
behavioral1
Sample
.html
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\Users\Admin\README_HOW_TO_UNLOCK.TXT
http://zvnvp2rhe3ljwf2m.onion
Targets
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Target
.
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Size
147KB
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MD5
08f87962a1b8825bfa5c17bcdb231053
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SHA1
392e2388dde314211190be184b299fcc9728023c
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SHA256
84eeeaa3f78578687c3bc6617b9c373a6959925d1bc1528ae57709c1475d8746
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SHA512
33e745b9b3a2367956240ba963060e4e8526684484f85e5911d4a7cc0ff6bbd5159b2d54ded67c7e99aa92da28e2651f99508a87aa930086b9bc86c0cc603687
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SSDEEP
1536:oAk6HxYftVkMn1/R4Dillk0zSP30vD9328s4DbHhqiS:XkRfPnRpllBwIpHhqiS
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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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Renames multiple (65) 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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Drops file in Drivers directory
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Modifies Installed Components in the registry
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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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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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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
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
5Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1