General
- Target VolcanoInstaller.exe
- Size 79.0MB
- Sample261104-vr8jmayt3n
- SHA256 ad9980f7ee976fc67a044b0288127c1033b70526a804ee629fbcbcc5f805a62e
- MD5 140faa23e6fa8dc19bff1a0951fa640e
- SHA1 11b6a4b5de84d633277118bdf2c727bef28ae50f
- SHA512 673de3bc41942e87220bed8cc744895e068fbb8efdb46f7eec0525e376e937e9c73566c17d1307658beae0e8701d12dbeefa0cbd18a3d98c7518b473aca09929
- SSDEEP 786432:QQryTVkMzNORRcy/AtCWV5OtsFgtah1PoMDmi3XAu5ouCZMG:ZryhXzN0CHcWeiQu5ouaF
- TLSH T17708BE15B3E80A16E63FC27DC2638102E7F1B8531352D7CF4558EA992F63BC19A37266
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
VolcanoInstaller.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
VolcanoInstaller.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target VolcanoInstaller.exe
- Size 79.0MB
- SHA256 ad9980f7ee976fc67a044b0288127c1033b70526a804ee629fbcbcc5f805a62e
- MD5 140faa23e6fa8dc19bff1a0951fa640e
- SHA1 11b6a4b5de84d633277118bdf2c727bef28ae50f
- SHA512 673de3bc41942e87220bed8cc744895e068fbb8efdb46f7eec0525e376e937e9c73566c17d1307658beae0e8701d12dbeefa0cbd18a3d98c7518b473aca09929
- SSDEEP 786432:QQryTVkMzNORRcy/AtCWV5OtsFgtah1PoMDmi3XAu5ouCZMG:ZryhXzN0CHcWeiQu5ouaF
- TLSH T17708BE15B3E80A16E63FC27DC2638102E7F1B8531352D7CF4558EA992F63BC19A37266
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies Windows Defender notification settings
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Modifies Windows Firewall
-
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
-
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
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Debugger Evasion
1Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1