General
- Target SolaraBootstrapper.exe
- Size 2.3MB
- Sample240629-rtj29ssdpq
- SHA256 902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
- MD5 a3063deffb695211eacaad97e9c38936
- SHA1 22c0dcbff864ac7ab665dcaa40fa0e2f5a609d6b
- SHA512 c3365f69bcaf92b73449a58596ac9e37bc2a5eb11c048d336ff296439d9ec55f53f9f23a741305f565d64d449fc3ba508b03657ae73c3ed4108dd38aa8f10ed1
- SSDEEP 49152:3LeY9/gdSz5eLeorkMy9UVfSpk2+GmC/KrluvCd:9sLeorNg8fcl+Gm8Na
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
SolaraBootstrapper.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
SolaraBootstrapper.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
-
xworm
-
football-emily.gl.at.ply.gg:39625
-
Install_directory
%AppData%
-
install_file
Registry.exe
Targets
-
- Target SolaraBootstrapper.exe
- Size 2.3MB
- SHA256 902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
- MD5 a3063deffb695211eacaad97e9c38936
- SHA1 22c0dcbff864ac7ab665dcaa40fa0e2f5a609d6b
- SHA512 c3365f69bcaf92b73449a58596ac9e37bc2a5eb11c048d336ff296439d9ec55f53f9f23a741305f565d64d449fc3ba508b03657ae73c3ed4108dd38aa8f10ed1
- SSDEEP 49152:3LeY9/gdSz5eLeorkMy9UVfSpk2+GmC/KrluvCd:9sLeorNg8fcl+Gm8Na
- MD5 SHA1 SHA512 SSDEEP
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
Detect Xworm Payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1