General

  • Target

    2e52551c053b0fa2ed76a0e247f6c5d9bd7e31c4d13d0647a44ce3d7441f77fe

  • Size

    1.8MB

  • Sample

    240704-f5bpgsyeqc

  • MD5

    a5e4d4ed37b4d17d556dd8a4bc8a97cd

  • SHA1

    15bc076d18b1ea36ca4e9780ee79b02ef6164e8b

  • SHA256

    2e52551c053b0fa2ed76a0e247f6c5d9bd7e31c4d13d0647a44ce3d7441f77fe

  • SHA512

    188b905d8dac3efda35e1aec0fa2d2d85a9da6d2d7992424da16fa95f61e23fcb454d57c9b905144899786e273a69633fddb656e1afa9429e3fa9995ab0b721c

  • SSDEEP

    24576:9IUWXk05n4qKU9C9yv+UYmU9UbuymJVtD2ajK8OjwKBOVdMNyu14xd+3FtR:9ICqNC9E+auL9v6aHSw82dMB14W3FtR

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

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      2e52551c053b0fa2ed76a0e247f6c5d9bd7e31c4d13d0647a44ce3d7441f77fe

    • Size

      1.8MB

    • MD5

      a5e4d4ed37b4d17d556dd8a4bc8a97cd

    • SHA1

      15bc076d18b1ea36ca4e9780ee79b02ef6164e8b

    • SHA256

      2e52551c053b0fa2ed76a0e247f6c5d9bd7e31c4d13d0647a44ce3d7441f77fe

    • SHA512

      188b905d8dac3efda35e1aec0fa2d2d85a9da6d2d7992424da16fa95f61e23fcb454d57c9b905144899786e273a69633fddb656e1afa9429e3fa9995ab0b721c

    • SSDEEP

      24576:9IUWXk05n4qKU9C9yv+UYmU9UbuymJVtD2ajK8OjwKBOVdMNyu14xd+3FtR:9ICqNC9E+auL9v6aHSw82dMB14W3FtR

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks