Analysis

  • max time kernel
    173s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    12/02/2023, 00:13

General

  • Target

    modest-menu.exe

  • Size

    15.3MB

  • MD5

    af6b000cca334405709a7a45f07b1788

  • SHA1

    57c2502d8ca01a6da5b7ab4e61f857e9e0fd40f8

  • SHA256

    0a03f7b518d5bc76cf58e1bfaad2b6840262b494553626c3727acbb8bd70cb91

  • SHA512

    5dcfefd3dd7111fad2b96cad039a0aa3ea388d1666b20a2ada004c05658171b52b26d699b77564031960505c02cdaf440c66c2694d33ead970fe6fcd8b299b5e

  • SSDEEP

    393216:9FESY8FS6GWgq2pyqNqfMgpcbVTv1OGOSHC84uza:DESYUS6GPqqNqUvToGOSHC8w

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\modest-menu.exe
    "C:\Users\Admin\AppData\Local\Temp\modest-menu.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:2144

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2144-132-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-133-0x00007FF888B10000-0x00007FF888D05000-memory.dmp

          Filesize

          2.0MB

        • memory/2144-134-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-135-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-136-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-137-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-138-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-139-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-140-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-141-0x00007FF888B10000-0x00007FF888D05000-memory.dmp

          Filesize

          2.0MB

        • memory/2144-142-0x00007FF665B20000-0x00007FF66811D000-memory.dmp

          Filesize

          38.0MB

        • memory/2144-143-0x00007FF888B10000-0x00007FF888D05000-memory.dmp

          Filesize

          2.0MB