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22/09/2024, 09:23 UTC
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240728-vp9c5syajh 1018/06/2024, 14:08 UTC
240618-rfnhjaxanf 10Analysis
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max time kernel
41s -
max time network
46s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
18/06/2024, 14:08 UTC
General
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Target
WZAgent.exe
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Size
26.2MB
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MD5
4cf978f2749291d8d9a722cf8bd9d9ea
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SHA1
2580a9be8bc6994987cc4951a4690efd7077ea92
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SHA256
ea8779bb436427af92289d75ee7510e1784bf6772729091abcc350cdf773058c
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SHA512
d1ba2ea6a06cf5241bd26319b7bd2da7cb3ca0453496703fa66413cc56edf9893414a970dfb67451cfb85ef735305986958ba852287b3dc63b7cf28ab351d61d
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SSDEEP
786432:Ov1EWULlsocwpd3XHEquH6rdEePFG/7vG43EY6:Ov1EWusor8j6r714
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 9 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
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
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DNSplayagent.ioRemote address:8.8.8.8:53Requestplayagent.ioIN A -
DNSplayagent.ioRemote address:8.8.8.8:53Requestplayagent.ioIN A
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DNSplayagent.ioRemote address:8.8.8.8:53Requestplayagent.ioIN A
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DNSplayagent.ioRemote address:8.8.8.8:53Requestplayagent.ioIN A
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DNSplayagent.ioRemote address:8.8.8.8:53Requestplayagent.ioIN A
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8.8.8.8:53playagent.iodns
DNS Request
playagent.io
DNS Request
playagent.io
DNS Request
playagent.io
DNS Request
playagent.io
DNS Request
playagent.io
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
34.0MB
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Filesize
472KB
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Filesize
2.8MB
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Filesize
34.0MB
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Filesize
34.0MB
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Filesize
2.8MB
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Filesize
4KB
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Filesize
11.2MB
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Filesize
11.2MB
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Filesize
2.8MB
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Filesize
11.2MB
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Filesize
34.0MB
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Filesize
2.8MB
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Filesize
14.3MB
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Filesize
2.8MB
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Filesize
472KB
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Filesize
1.9MB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
11.2MB
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Filesize
712KB
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Filesize
1.3MB
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Filesize
11.2MB
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Filesize
2.8MB
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Filesize
34.0MB