Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-02-2022 22:14

General

  • Target

    modest-menu.exe

  • Size

    10.8MB

  • MD5

    8df943c876b75a51eacc41f008834f4e

  • SHA1

    9b4c89ae6bbc175f20b22a225363f6b2cb4142d5

  • SHA256

    20586c23808706e7bf6cf24a37fb5c30195bc02d595f92e43b78760bc14d7366

  • SHA512

    4badeedae553dc1dad172fb9db1425c994693466cc4b2df57d189b4ac4a53828eedc8dd23e0f023570e7ebe7576945e7200205852f885e69fa7a0820d039c56d

Malware Config

Signatures

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

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

  • Themida packer 3 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\modest-menu.exe
    "C:\Users\Admin\AppData\Local\Temp\modest-menu.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:1180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1180-55-0x00000000773A0000-0x00000000773A2000-memory.dmp

    Filesize

    8KB

  • memory/1180-56-0x000000013FB60000-0x00000001416BB000-memory.dmp

    Filesize

    27.4MB

  • memory/1180-57-0x000000013FB60000-0x00000001416BB000-memory.dmp

    Filesize

    27.4MB

  • memory/1180-58-0x000000013FB60000-0x00000001416BB000-memory.dmp

    Filesize

    27.4MB