General
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Target
https://cdn.discordapp.com/attachments/1227046637365493811/1230337232846459031/Zwle_Free_Perm.exe?ex=6632f3d6&is=66207ed6&hm=ebcfb4449a3e01114938ce36c8b3ed6465fd127124b807cb9d5aedb3af7d1d85&
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Sample
240421-wqjdsage64
Score
10/10
Malware Config
Targets
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Target
https://cdn.discordapp.com/attachments/1227046637365493811/1230337232846459031/Zwle_Free_Perm.exe?ex=6632f3d6&is=66207ed6&hm=ebcfb4449a3e01114938ce36c8b3ed6465fd127124b807cb9d5aedb3af7d1d85&
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Themida packer
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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