General
-
Target
https://cdn.discordapp.com/attachments/1255278764032659466/1282423283752632452/steamapplicationupdater.exe?ex=66e29901&is=66e14781&hm=465f85149581167384db216ee91d19d1792df55a667d789ef9654d2da27badf5&
-
Sample
240911-n5p6wayfpl
Malware Config
Targets
-
-
Target
https://cdn.discordapp.com/attachments/1255278764032659466/1282423283752632452/steamapplicationupdater.exe?ex=66e29901&is=66e14781&hm=465f85149581167384db216ee91d19d1792df55a667d789ef9654d2da27badf5&
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
ElysiumStealer
ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.
-
ElysiumStealer Support DLL
-
AgentTesla payload
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Looks for VirtualBox Guest Additions in registry
-
Downloads MZ/PE file
-
Looks for VMWare Tools registry key
-
Stops running service(s)
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Executes dropped EXE
-
Loads dropped DLL
-
Themida packer
Detects Themida, an advanced Windows software protection system.
-
Checks whether UAC is enabled
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-