Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-12-2024 15:36
Static task
static1
Behavioral task
behavioral1
Sample
f4d4066fee7e7e63dd914f564202af5b.exe
Resource
win7-20240903-en
General
-
Target
f4d4066fee7e7e63dd914f564202af5b.exe
-
Size
4.3MB
-
MD5
f4d4066fee7e7e63dd914f564202af5b
-
SHA1
bf2330d98dc66911f0078539ee48e6ad8dbb4686
-
SHA256
a6f94c1717ad8bb2d8a2db5d3b286e1e5bbe6b5086216661250579e654826e73
-
SHA512
468d6cbcfbebf5a1140a161fe742188df14d942a3681f1931ae7c0c840c24f9c3b2e55745478c1472e2f6cfec96df27265da93917c390c6ad0c51d6d9062fba1
-
SSDEEP
98304:yGJm9VvjOlk+BwDMO8cAqgVRWn8sTNRjWJzVGKRUVXKEbUzH:OvurwD38ygVRW8sBRCzGOuUz
Malware Config
Extracted
cryptbot
http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734
Signatures
-
Cryptbot family
-
Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF f4d4066fee7e7e63dd914f564202af5b.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__ f4d4066fee7e7e63dd914f564202af5b.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 f4d4066fee7e7e63dd914f564202af5b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f4d4066fee7e7e63dd914f564202af5b.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine f4d4066fee7e7e63dd914f564202af5b.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 728 f4d4066fee7e7e63dd914f564202af5b.exe -
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 f4d4066fee7e7e63dd914f564202af5b.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe 728 f4d4066fee7e7e63dd914f564202af5b.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4d4066fee7e7e63dd914f564202af5b.exe"C:\Users\Admin\AppData\Local\Temp\f4d4066fee7e7e63dd914f564202af5b.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
PID:728