Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
31/07/2024, 01:10
General
- Target 1cba58540b0d544ba5649b04f47b233e35936640c4b0fd0a9d50b1380d9cdab4.exe
- Size 7.2MB
- Sample240731-bjef2aydlk
- SHA256 1cba58540b0d544ba5649b04f47b233e35936640c4b0fd0a9d50b1380d9cdab4
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Themida packer 5 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Program crash 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1cba58540b0d544ba5649b04f47b233e35936640c4b0fd0a9d50b1380d9cdab4.exe"C:\Users\Admin\AppData\Local\Temp\1cba58540b0d544ba5649b04f47b233e35936640c4b0fd0a9d50b1380d9cdab4.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 15522⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1244 -ip 12441⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AgileDotNetRT.dll
memory/1244-0-0x000000007516E000-0x000000007516F000-memory.dmp
memory/1244-1-0x00000000000A0000-0x00000000007E0000-memory.dmp
memory/1244-2-0x0000000075160000-0x0000000075910000-memory.dmp
memory/1244-9-0x00000000729D0000-0x0000000073155000-memory.dmp
memory/1244-11-0x0000000075160000-0x0000000075910000-memory.dmp
memory/1244-13-0x00000000729D0000-0x0000000073155000-memory.dmp
memory/1244-14-0x00000000729D0000-0x0000000073155000-memory.dmp
memory/1244-15-0x0000000073BF0000-0x0000000073C79000-memory.dmp
memory/1244-16-0x00000000729D0000-0x0000000073155000-memory.dmp
memory/1244-17-0x0000000075160000-0x0000000075910000-memory.dmp