Analysis
- max time kernel
94s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
03/05/2022, 15:22
Static task
static1
Behavioral task
behavioral1
Sample
tools.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
- Target tools.dll
- Size 2.6MB
- Sample220503-srwhysaaf3
- SHA256 986dc96c4dbb6c953db7b68a30c9cdc93598d89ca3e9804bd92f53d26a48f5ba
- MD5 332d1f555297d05bb4b3b2dd7e76041d
- SHA1 b39893d501d3f33edfc475cc7ccaa747022001b2
- SHA512 1cd2d810d53bd70d89af217b25ec5096f7879eec73d1f22746bacf640b8660cb1947eadb667c5d011151af03efc756142e67503e15d2500de43bdc561a6054d6
- MD5 SHA1 SHA512
Malware Config
Signatures
- Enumerates VirtualBox registry keys 2 TTPs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.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-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Wine rundll32.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe