Analysis

  • max time kernel
    144s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-05-2024 19:32

General

  • Target

    ff8fa7cbccb7728c876ec84e26ccc56cc8d3e75ae97a47120142c222c1aca492.exe

  • Size

    1.7MB

  • MD5

    36c3b9748283ffa4e836d152b03d3037

  • SHA1

    29b15ca6608f7e6926cca5e68af95248a0757738

  • SHA256

    ff8fa7cbccb7728c876ec84e26ccc56cc8d3e75ae97a47120142c222c1aca492

  • SHA512

    b1ceef14673a3cbe7ea0bdf12afd76f5e6dcde144f3cbfc6729ccb9223eb87e5c1a41cebef405800f8fb48c99989a504e6d8c6301402ea43622613fcc80da0a5

  • SSDEEP

    49152:W3g9s226SDOrl54icd3XfZ1ppfo2hrpnWd:W3g9C6x5evZ17zG

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.

  • 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\ff8fa7cbccb7728c876ec84e26ccc56cc8d3e75ae97a47120142c222c1aca492.exe
    "C:\Users\Admin\AppData\Local\Temp\ff8fa7cbccb7728c876ec84e26ccc56cc8d3e75ae97a47120142c222c1aca492.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3144
    • 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:4364
  • 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:1332
  • 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:416

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

    36c3b9748283ffa4e836d152b03d3037

    SHA1

    29b15ca6608f7e6926cca5e68af95248a0757738

    SHA256

    ff8fa7cbccb7728c876ec84e26ccc56cc8d3e75ae97a47120142c222c1aca492

    SHA512

    b1ceef14673a3cbe7ea0bdf12afd76f5e6dcde144f3cbfc6729ccb9223eb87e5c1a41cebef405800f8fb48c99989a504e6d8c6301402ea43622613fcc80da0a5

  • memory/416-56-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-55-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-63-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-60-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-61-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-58-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-59-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-62-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/416-57-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-37-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-39-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-47-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-42-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-41-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-43-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-45-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-44-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-40-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/1332-38-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-21-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-3-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-1-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-0-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-2-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-4-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-8-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-7-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-5-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/3144-6-0x00000000006F0000-0x0000000000C31000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-26-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-23-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-25-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-24-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-22-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-29-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-31-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-28-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-30-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB

  • memory/4364-27-0x0000000000330000-0x0000000000871000-memory.dmp

    Filesize

    5.3MB