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Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    05/07/2024, 15:25

General

  • Target

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe

  • Size

    1.8MB

  • MD5

    fa6419e8f5a6bee481357f2a1f40efeb

  • SHA1

    666ca974b3918ca19323fe9813a14cb4790f028f

  • SHA256

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

  • SHA512

    862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

  • SSDEEP

    49152:3/1G+rnmxTDSNCpLm3AThjsWq4YYFreG:Po+rnmxTDSYpLhj9ZeG

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/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 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe
    "C:\Users\Admin\AppData\Local\Temp\9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

    Filesize

    1.8MB

    MD5

    fa6419e8f5a6bee481357f2a1f40efeb

    SHA1

    666ca974b3918ca19323fe9813a14cb4790f028f

    SHA256

    9b428357147e9b84f035527c1308870147a2930027e20531df19429545f06421

    SHA512

    862feebede8863728cc3d34b48c0d3acea31279e96c39957a8b4e84f7d771ce65c7620a6fbeb80dd2e8c0bc9d6117e8d6ac63afeac3d0d0b89e28a48e1dc5dfa

  • memory/2108-15-0x0000000000B80000-0x0000000001038000-memory.dmp

    Filesize

    4.7MB

  • memory/2108-1-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

    Filesize

    8KB

  • memory/2108-2-0x0000000000B81000-0x0000000000BAF000-memory.dmp

    Filesize

    184KB

  • memory/2108-3-0x0000000000B80000-0x0000000001038000-memory.dmp

    Filesize

    4.7MB

  • memory/2108-5-0x0000000000B80000-0x0000000001038000-memory.dmp

    Filesize

    4.7MB

  • memory/2108-0-0x0000000000B80000-0x0000000001038000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-23-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-26-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-18-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-20-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-21-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-16-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-22-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-24-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-25-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-17-0x00000000013B1000-0x00000000013DF000-memory.dmp

    Filesize

    184KB

  • memory/3024-27-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-28-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-29-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-30-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-31-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-32-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-33-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-34-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-35-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB

  • memory/3024-36-0x00000000013B0000-0x0000000001868000-memory.dmp

    Filesize

    4.7MB