Analysis
- max time kernel
122s - max time network
123s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
02/12/2024, 14:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
10 signatures
150 seconds
General
- Target file.exe
- Size 4.3MB
- Sample241202-rrae2ssreq
- SHA256 5ca080ca1f535a4d32d82ef5e8e6325498626b3004e7ae80878e52f2472235aa
- MD5 0a6f4c50233fe931d5943619e5f4bf7c
- SHA1 de3e6aebeca2f26291fa9cf235751353fc4c4854
- SHA512 534cbf22f6d28105165155f21f1538d8dcd961d164dc7c8059fc456dfe0cb8335d843216e2e60e37ff69d9ce6b164124eee4306dd91ba5f9b8a0bd11c7a898cc
- SSDEEP 98304:a1ki1E8bFZAZblVYtT3Kywqyu4E4Kd8i3P+11x3S3I/LkUeEi3kV:a1keJZAZbavKK3/w1x3SO4Uk
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF file.exe - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.exe - Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine file.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3044 file.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2576 3044 WerFault.exe 29 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3044 file.exe 3044 file.exe 3044 file.exe 3044 file.exe 3044 file.exe 3044 file.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2576 3044 file.exe 31 PID 3044 wrote to memory of 2576 3044 file.exe 31 PID 3044 wrote to memory of 2576 3044 file.exe 31 PID 3044 wrote to memory of 2576 3044 file.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 6562⤵
- Program crash
PID:2576
-