Analysis

  • max time kernel
    142s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 22:04

General

  • Target

    ae87b6178112a33783ad832f7ed01b3543a53b201372e1b9ae350cca73b9b857.exe

  • Size

    1.6MB

  • MD5

    3e998278d93e45e1b586428f825920d4

  • SHA1

    2f4e5a9b6692d24ce4b8832e64ee9fe94e61663f

  • SHA256

    ae87b6178112a33783ad832f7ed01b3543a53b201372e1b9ae350cca73b9b857

  • SHA512

    e3f143ea0fadc62a5f00e805b56ef31afb62cdfafbf839fa821215bf6d04a943ab59650d288bddb92984b6dac6f0fe9e0039d531e241e0bd0eba5b2d1874d961

  • SSDEEP

    49152:pAXzyXx9dnz6sDUmrenD8pzB4KbyUvkow8Sqma6K6:gWxPz68Um5zBBbtw8tB6

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/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 4 IoCs
  • Checks BIOS information in registry 2 TTPs 8 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 3 IoCs
  • Themida packer 40 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 4 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\ae87b6178112a33783ad832f7ed01b3543a53b201372e1b9ae350cca73b9b857.exe
    "C:\Users\Admin\AppData\Local\Temp\ae87b6178112a33783ad832f7ed01b3543a53b201372e1b9ae350cca73b9b857.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:4580
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:3212
  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:5068
  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.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:1620

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
    Filesize

    1.6MB

    MD5

    3e998278d93e45e1b586428f825920d4

    SHA1

    2f4e5a9b6692d24ce4b8832e64ee9fe94e61663f

    SHA256

    ae87b6178112a33783ad832f7ed01b3543a53b201372e1b9ae350cca73b9b857

    SHA512

    e3f143ea0fadc62a5f00e805b56ef31afb62cdfafbf839fa821215bf6d04a943ab59650d288bddb92984b6dac6f0fe9e0039d531e241e0bd0eba5b2d1874d961

  • memory/1620-55-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-62-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-61-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-58-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-60-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-59-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-57-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-56-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/1620-54-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-31-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-22-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-28-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-30-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-26-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-25-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-29-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-23-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-27-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/3212-20-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-8-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-1-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-2-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-3-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-0-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-7-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-6-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-5-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-4-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/4580-24-0x0000000000D00000-0x00000000011FC000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-40-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-46-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-44-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-37-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-38-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-39-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-36-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-41-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-42-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB

  • memory/5068-43-0x00000000006A0000-0x0000000000B9C000-memory.dmp
    Filesize

    5.0MB