General
- Target InstallerV31751.exe
- Size 14.4MB
- Sample260827-vy3xqaxyhz
- SHA256 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
- MD5 1e8dfade6e3f0ae965fc86012ca1a9bd
- SHA1 08b732b555bba38b87d58cae21619e025fb25aac
- SHA512 e8a42375f251a8250679a2658271dd5960368c1c3321037ba155334db9532ce45b8604b190f184ff4e90ec1aa3cd40936906ed4bd3217022fdc8117f2f27c90c
- SSDEEP 393216:xlScKy14TD2hX4h7Dkh9nBKW0K1ZmuaZMkyJ+:xxKy6w4tohtBKwsZMkyJ+
- TLSH T1C0E633EA9B3AC8D4EC9A1A7599F4C2651617F17D78E6F2F29988D310C968D300C32F74
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
InstallerV31751.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
InstallerV31751.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
InstallerV31751.exe
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
InstallerV31751.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target InstallerV31751.exe
- Size 14.4MB
- SHA256 35850fc8c8d89cb0fd8a4d861bf9c19447c7ebb21a378f1d9f16ed4fbbdc9792
- MD5 1e8dfade6e3f0ae965fc86012ca1a9bd
- SHA1 08b732b555bba38b87d58cae21619e025fb25aac
- SHA512 e8a42375f251a8250679a2658271dd5960368c1c3321037ba155334db9532ce45b8604b190f184ff4e90ec1aa3cd40936906ed4bd3217022fdc8117f2f27c90c
- SSDEEP 393216:xlScKy14TD2hX4h7Dkh9nBKW0K1ZmuaZMkyJ+:xxKy6w4tohtBKwsZMkyJ+
- TLSH T1C0E633EA9B3AC8D4EC9A1A7599F4C2651617F17D78E6F2F29988D310C968D300C32F74
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Enumerates VirtualBox registry keys
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Looks for VirtualBox Guest Additions in registry
-
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
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Executes dropped EXE
-
Checks whether UAC is enabled
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
2Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1