Analysis
- max time kernel
149s - max time network
103s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system - submitted
29/10/2025, 19:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
random.exe
Resource
win10v2004-20251016-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
random.exe
Resource
win11-20251015-en
9 signatures
150 seconds
General
- Target random.exe
- Size 1.9MB
- Sample251029-x4433sa19e
- SHA256 d60d5e5d73e58558f21411399b6138d497741b2beac6f60e7b2678f7464fc871
- MD5 05415f67b31d7b5cfc2c64d7d2052655
- SHA1 73680c056ffd500c17ab6ed58bbeb16199dbbfcd
- SHA512 fe84341c5aeaf1f943a96c07d2822cc6a90b479134dd0d145b8a14b0461c57c00cd25c476d1006c881de65e2684ba8fdd7397cff0ccfb04f97269d9dd42662d5
- SSDEEP 49152:wha6k/LqamevFFt+tZHUNukrDfgE7mv7aqO4Em:2aP/LEUFteZnknx7mv7aqO4Em
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 224 created 1832 224 random.exe 49 - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ random.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 random.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion random.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-1-5-21-503569783-3534512106-765729973-1000\Software\Wine random.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 224 random.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4308 224 WerFault.exe 77 - System Location Discovery: System Language Discovery 1 TTPs 2 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 random.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language openwith.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 224 random.exe 224 random.exe 224 random.exe 224 random.exe 5600 openwith.exe 5600 openwith.exe 5600 openwith.exe 5600 openwith.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 224 wrote to memory of 5600 224 random.exe 78 PID 224 wrote to memory of 5600 224 random.exe 78 PID 224 wrote to memory of 5600 224 random.exe 78 PID 224 wrote to memory of 5600 224 random.exe 78 PID 224 wrote to memory of 5600 224 random.exe 78
Processes
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:1832
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C:\Windows\SysWOW64\openwith.exe"C:\Windows\system32\openwith.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5600
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C:\Users\Admin\AppData\Local\Temp\random.exe"C:\Users\Admin\AppData\Local\Temp\random.exe"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- 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:224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 7242⤵
- Program crash
PID:4308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 224 -ip 2241⤵PID:2568