Analysis
- max time kernel
63s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/09/2022, 18:09
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
13 signatures
150 seconds
General
- Target file.exe
- Size 5.4MB
- Sample220929-wrfdhsbfe4
- SHA256 7a2d18d2dcaaae50afb1f0aeca3d2aacb172471ec1fa11877c8bb731586ba711
- MD5 eddccc229f377415449dc9fcf799d731
- SHA1 9c179b6a184a40832cd85a587e17849f1d3a5808
- SHA512 2c29141607f1522e7d5e5beeeeb63166b05294fe6226d36b8d7e2d4917c4bc7ad03ed920c88d3bf5cd960490a03a417919fd75ce577655a1980771b6f28c9c70
- SSDEEP 98304:W3dhNgXqFmymcCsGpWuFuJrNKZQdIf7a1JTLXfMm8e1sTP5skswq4:WnNgXRy7IVFMB67w3XfkvRvswv
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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 - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
resource yara_rule behavioral2/memory/4572-134-0x0000000000400000-0x0000000000E45000-memory.dmp themida behavioral2/memory/4572-135-0x0000000000400000-0x0000000000E45000-memory.dmp themida behavioral2/memory/4572-140-0x0000000000400000-0x0000000000E45000-memory.dmp themida behavioral2/memory/4572-141-0x0000000000400000-0x0000000000E45000-memory.dmp themida behavioral2/memory/4572-149-0x0000000000400000-0x0000000000E45000-memory.dmp themida behavioral2/memory/4572-154-0x0000000000400000-0x0000000000E45000-memory.dmp themida - Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA file.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4572 file.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4572 file.exe 4572 file.exe 4572 file.exe 4572 file.exe 4572 file.exe 4572 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4572 file.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4572