Resubmissions

08-07-2024 04:59

240708-fmp46avhld 9

08-07-2024 04:49

240708-ffygysvfna 10

08-07-2024 04:34

240708-e64k8avcle 6

General

  • Target

    sample

  • Size

    80KB

  • Sample

    240708-fmp46avhld

  • MD5

    2a1b218812d4f6422434d97169e514a3

  • SHA1

    a6e870ba7b5c9f330c15f3d8a212bba3fa324dc2

  • SHA256

    8d83a0e36057dd1d65a54dea417afccf11009f0ace2738f387f8de611fb262bf

  • SHA512

    6ad15e153dd887a76b8b5badf7869c13887f71a486983684f0e91299cbd6a9a34f6c5b0458f7c9ecfa4d02d76f9c758b856cb0c0894d0fe8e93ef3e330fbc705

  • SSDEEP

    1536:I60JFL5SwNiecv6Q5hNFZuSuWtWWxcIBje/6apKjpcXW+NaE3qGksAG6ZJsnfJeH:H0JFL8wk6VIBje/6apKjpcXW+NaE3qGk

Malware Config

Targets

    • Target

      sample

    • Size

      80KB

    • MD5

      2a1b218812d4f6422434d97169e514a3

    • SHA1

      a6e870ba7b5c9f330c15f3d8a212bba3fa324dc2

    • SHA256

      8d83a0e36057dd1d65a54dea417afccf11009f0ace2738f387f8de611fb262bf

    • SHA512

      6ad15e153dd887a76b8b5badf7869c13887f71a486983684f0e91299cbd6a9a34f6c5b0458f7c9ecfa4d02d76f9c758b856cb0c0894d0fe8e93ef3e330fbc705

    • SSDEEP

      1536:I60JFL5SwNiecv6Q5hNFZuSuWtWWxcIBje/6apKjpcXW+NaE3qGksAG6ZJsnfJeH:H0JFL8wk6VIBje/6apKjpcXW+NaE3qGk

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks