Resubmissions

04/05/2024, 23:24

240504-3dq2esab679

04/05/2024, 23:19

240504-3asqvaaa479

Analysis

  • max time kernel
    139s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 23:24

General

  • Target
    modest-menu.exe
  • Size 16.9MB
  • Sample240504-3dq2esab67
  • SHA256 a568e2a4d89ab76ab9ff11b30bf320dcc4413353660678c51abc79863ff3c1c4
  • MD5 SHA1 SHA512 SSDEEP

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 8 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:1428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1428-0-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-1-0x00007FFD8CF10000-0x00007FFD8CF12000-memory.dmp

        memory/1428-2-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-3-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-4-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-5-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-6-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-7-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp

        memory/1428-8-0x00007FF669500000-0x00007FF66BF0F000-memory.dmp