Analysis
- max time kernel
11s - max time network
13s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
29/06/2024, 22:59
General
- Target WZAgent.exe
- Size 26.2MB
- Sample240629-2yrysasbrn
- SHA256 ea8779bb436427af92289d75ee7510e1784bf6772729091abcc350cdf773058c
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- 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 3 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Themida packer 7 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WZAgent.exe"C:\Users\Admin\AppData\Local\Temp\WZAgent.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
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AgileDotNetRT64.dll
memory/1104-17-0x0000000000400000-0x0000000002606000-memory.dmp
memory/1104-3-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-2-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-4-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-5-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-8-0x0000000000400000-0x0000000002606000-memory.dmp
memory/1104-9-0x0000000000400000-0x0000000002606000-memory.dmp
memory/1104-1-0x00007FFE2B35A000-0x00007FFE2B35B000-memory.dmp
memory/1104-0-0x0000000000400000-0x0000000002606000-memory.dmp
memory/1104-16-0x00007FFE06D50000-0x00007FFE07879000-memory.dmp
memory/1104-23-0x0000000021140000-0x0000000021F98000-memory.dmp
memory/1104-22-0x00007FFE1C630000-0x00007FFE1C77F000-memory.dmp
memory/1104-19-0x00007FFE06D50000-0x00007FFE07879000-memory.dmp
memory/1104-24-0x00000000051E0000-0x0000000005256000-memory.dmp
memory/1104-25-0x0000000020470000-0x0000000020662000-memory.dmp
memory/1104-26-0x00007FFE2B35A000-0x00007FFE2B35B000-memory.dmp
memory/1104-27-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-30-0x00007FFE06D50000-0x00007FFE07879000-memory.dmp
memory/1104-31-0x00007FFE2B340000-0x00007FFE2B3FD000-memory.dmp
memory/1104-32-0x0000000000400000-0x0000000002606000-memory.dmp