General
- Target RajastrapInstaller.exe
- Size 469KB
- Sample261023-rce2zset5p
- SHA256 e83c714aa2e1cd50cf143db2d25e267673ba0e0c25a8ea786ba3a76f9a61ca16
- MD5 79bb627667e3069cdd4ad003e6447ef4
- SHA1 e6f2db7a5bdee4748fbd59fb215384e1256006be
- SHA512 af6ced414dbf6e303452d55db75775387f15768c444d275abaaf57d1741928cfa5b10080224d5427897cf1b4ed9b17239ebc425b3c167083d4780b085c6c75a7
- SSDEEP 6144:xko1t71jU8XOH9yxVBQyILOJkdKXH/Q4qt4X17vAdTDkHhKB6ww:mo191jUp9ya8kdl4ZhKB6w
- TLSH T10EA4BF1BFA59F2ABC92982358442C6357732BCAD5B50C79B27D43EBB3E632D05D29301
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
RajastrapInstaller.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
RajastrapInstaller.exe
Resource
win10ltsc2021-20260911-en
Behavioral task
behavioral3
Sample
RajastrapInstaller.exe
Resource
win11-20260911-en
Behavioral task
behavioral4
Sample
RajastrapInstaller.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target RajastrapInstaller.exe
- Size 469KB
- SHA256 e83c714aa2e1cd50cf143db2d25e267673ba0e0c25a8ea786ba3a76f9a61ca16
- MD5 79bb627667e3069cdd4ad003e6447ef4
- SHA1 e6f2db7a5bdee4748fbd59fb215384e1256006be
- SHA512 af6ced414dbf6e303452d55db75775387f15768c444d275abaaf57d1741928cfa5b10080224d5427897cf1b4ed9b17239ebc425b3c167083d4780b085c6c75a7
- SSDEEP 6144:xko1t71jU8XOH9yxVBQyILOJkdKXH/Q4qt4X17vAdTDkHhKB6ww:mo191jUp9ya8kdl4ZhKB6w
- TLSH T10EA4BF1BFA59F2ABC92982358442C6357732BCAD5B50C79B27D43EBB3E632D05D29301
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Looks for VirtualBox Guest Additions in registry
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Looks for VMWare Tools registry key
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Debugger Evasion
1Direct Volume Access
1Modify Registry
3Virtualization/Sandbox Evasion
3