General
-
Target
https://oxy.name/d/lGXg
-
Sample
230819-hqkpysgd82
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://oxy.name/d/lGXg
Resource
win10-20230703-en
Malware Config
Targets
-
-
Target
https://oxy.name/d/lGXg
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Modifies boot configuration data using bcdedit
-
Disables Task Manager via registry modification
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Modifies Installed Components in the registry
-
Sets service image path in registry
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies system executable filetype association
-
Registers COM server for autorun
-
Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
Adds Run key to start application
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
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
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Modify Registry
7Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1