Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 06:28

General

  • Target

    81a4f7431b9301dab895845028bbfe10_NEAS.exe

  • Size

    1.7MB

  • MD5

    81a4f7431b9301dab895845028bbfe10

  • SHA1

    a0aeaee53db9e246e19491c459987bf90e3fde0d

  • SHA256

    d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc

  • SHA512

    bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133

  • SSDEEP

    49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Themida packer 44 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81a4f7431b9301dab895845028bbfe10_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\81a4f7431b9301dab895845028bbfe10_NEAS.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
      "C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:2360
  • C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:1608
  • C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:968
  • C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Checks whether UAC is enabled
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe

    Filesize

    1.7MB

    MD5

    81a4f7431b9301dab895845028bbfe10

    SHA1

    a0aeaee53db9e246e19491c459987bf90e3fde0d

    SHA256

    d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc

    SHA512

    bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133

  • memory/964-5-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-7-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-21-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-0-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-1-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-6-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-4-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-3-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/964-2-0x00000000002C0000-0x0000000000813000-memory.dmp

    Filesize

    5.3MB

  • memory/968-49-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-56-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-50-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-52-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-53-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-55-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-54-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/968-51-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-35-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-41-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-33-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-34-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-32-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-38-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-39-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-37-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/1608-36-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-28-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-27-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-23-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-25-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-29-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-26-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-24-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-20-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2360-22-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-64-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-68-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-70-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-69-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-67-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-66-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-65-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB

  • memory/2640-71-0x00000000004C0000-0x0000000000A13000-memory.dmp

    Filesize

    5.3MB