Analysis

  • max time kernel
    88s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18/06/2022, 03:40

General

  • Target
    setup/AISetup.exe
  • Size 465.0MB
  • Sample220618-d8l9aahac5
  • SHA256 07cc8639fd86e1d80e664ff18a2f45f163b736f0bd28a2b166a00c0733d656dd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • recordbreaker

C2
  • http://146.19.247.52/

  • http://77.91.102.115/

Signatures

  • RecordBreaker

    RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.

  • 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 4 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\setup\AISetup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup\AISetup.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:3816

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3816-130-0x0000000000B40000-0x00000000012CE000-memory.dmp

        memory/3816-131-0x0000000000B40000-0x00000000012CE000-memory.dmp

        memory/3816-132-0x0000000000B40000-0x00000000012CE000-memory.dmp

        memory/3816-133-0x00000000776B0000-0x0000000077853000-memory.dmp

        memory/3816-134-0x0000000000B40000-0x00000000012CE000-memory.dmp

        memory/3816-135-0x00000000776B0000-0x0000000077853000-memory.dmp

        memory/3816-136-0x00000000776B0000-0x0000000077853000-memory.dmp