Analysis
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max time kernel
14s -
max time network
16s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
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submitted
21-05-2024 15:14
General
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Target
WZAgent.exe
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Size
24.3MB
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MD5
2812e3412cdfde43d093addd686f7541
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SHA1
6044220194e89f9e4054ae049708aa364f4a2557
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SHA256
fc7eb157162927439876c4562b5384cc68db185bfcf91335c8c7edc1d2dcf5ff
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SHA512
8fa3035a2959854971539d0b62594c152c25417a6c55581eb91510730aed661e97698685a3566f7ade939cb1c55429f6b73fd9159f04de6e78571e55de2148a9
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SSDEEP
393216:T/2gRyBpa4UEQ7mMzVR0/p/I3Eqg8OqnYTOWxhXNPQfLtCwzIuDSMivX:TupzUEQ7mkVR0RI/OqnYtdPY9SxvX
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL 1 IoCs
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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.
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Themida packer 8 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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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
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Filesize
4.0MB
MD58e839b26c5efed6f41d6e854e5e97f5b
SHA15cb71374f72bf6a63ff65a6cda57ff66c3e54836
SHA2561f2489fcd11f85db723f977f068988e81ed28581a4aec352ba4a2dc31419a011
SHA51292446d7c2ccf41408d0a6be604b9aba3050192b40be887c2cee8f9aea0bd855503d6b827a8bdd554addd8d7c8ec947033f49060db493f756c3b2b70c04a17093
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Filesize
11.2MB
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Filesize
3.5MB
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Filesize
472KB
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Filesize
31.8MB
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Filesize
31.8MB
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Filesize
3.5MB
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Filesize
4KB
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Filesize
11.2MB
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Filesize
12.5MB
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Filesize
31.8MB
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Filesize
3.5MB
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Filesize
3.5MB
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Filesize
3.5MB
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Filesize
1.9MB
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Filesize
3.5MB
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Filesize
31.8MB
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Filesize
10.8MB
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Filesize
11.2MB
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Filesize
10.8MB
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Filesize
11.2MB
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Filesize
31.8MB
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Filesize
1.3MB