Analysis

  • max time kernel
    145s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 12:01

General

  • Target

    345ac5c010fdb40daa99bce729a16a3e69ce4e47131ea74af2428177114f109c.exe

  • Size

    1.7MB

  • MD5

    d2407c83e06990d094b2a5963c48830a

  • SHA1

    00a3e8b4722f185f2743eb394e5c84f07553300a

  • SHA256

    345ac5c010fdb40daa99bce729a16a3e69ce4e47131ea74af2428177114f109c

  • SHA512

    e5b2a786748dffeaaf58681d594f7a872846668fc268c637a8a1285e7fc83f78fb6d379a5d843257b7e892cddbf1ec1aad6d64abcfb27851e3c4759564eeb210

  • SSDEEP

    49152:Y4tw5LMc4mgD8y7TTV3voc5u++PTQBXQvQ4iflpiXhywMs:JtQLMc4HD8igcYXPEBAvQ4iflpE4Hs

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\345ac5c010fdb40daa99bce729a16a3e69ce4e47131ea74af2428177114f109c.exe
    "C:\Users\Admin\AppData\Local\Temp\345ac5c010fdb40daa99bce729a16a3e69ce4e47131ea74af2428177114f109c.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:2392
    • 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:3856
  • 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:3724
  • 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:4836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.7MB

    MD5

    d2407c83e06990d094b2a5963c48830a

    SHA1

    00a3e8b4722f185f2743eb394e5c84f07553300a

    SHA256

    345ac5c010fdb40daa99bce729a16a3e69ce4e47131ea74af2428177114f109c

    SHA512

    e5b2a786748dffeaaf58681d594f7a872846668fc268c637a8a1285e7fc83f78fb6d379a5d843257b7e892cddbf1ec1aad6d64abcfb27851e3c4759564eeb210

  • memory/2392-0-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-3-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-7-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-8-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-6-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-5-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-4-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-2-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-1-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/2392-21-0x0000000000FA0000-0x00000000014DF000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-44-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-34-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-40-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-41-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-42-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-39-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-38-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-37-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-36-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3724-35-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-24-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-22-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-29-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-23-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-26-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-25-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-27-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-28-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-30-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/3856-31-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-53-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-56-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-59-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-57-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-55-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-54-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-52-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-58-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB

  • memory/4836-61-0x00000000000F0000-0x000000000062F000-memory.dmp

    Filesize

    5.2MB