Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 05:42
Static task
static1
Behavioral task
behavioral1
Sample
b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe
Resource
win7-20240903-en
General
-
Target
b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe
-
Size
4.3MB
-
MD5
c68297282df3b519f90b07be11d5b2c3
-
SHA1
b458d00cab0449a1c9f0f9225cc5c326199425f6
-
SHA256
b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7
-
SHA512
b70746441c6cf4c6df94cd1171e3bb1737462cec5eb5739ef5e75a52d9209fdb32bb3c85ed632c0a68834e22fc21476233aa706f37c0f7f74d701147c0a05d22
-
SSDEEP
98304:LfBXhUHRUyhPc25hvSIE2V7dm9D/4ija7X9D1C:VhM302dV7s9laphC
Malware Config
Extracted
cryptbot
Signatures
-
Cryptbot family
-
Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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__ b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe 3092 b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.exe"C:\Users\Admin\AppData\Local\Temp\b33d993baf0f52b1f0e01b6d6d4f568c37c21a641f41c8f6fb72c493f80a91a7.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:3092