General

  • Target

    b76d82d0e413c4b7f21f96dbaca8180bbae0dfcdf4bdeba2aef3cb3413bed8ce

  • Size

    1.8MB

  • Sample

    240710-ld2z9a1hqc

  • MD5

    b7720b5120de2b14e91e87ecf1969f5d

  • SHA1

    188d865c8c0284ed6f89906e0bcdcd9e61a41517

  • SHA256

    b76d82d0e413c4b7f21f96dbaca8180bbae0dfcdf4bdeba2aef3cb3413bed8ce

  • SHA512

    fe10a7db3341da9f15b44e920b5af4a7a9406c0f3cfcb940f44ca4177550e7758bc180d1d98d2c3e7ab5467d0d0bd05811dd90d3f9b9c55f7044d455dfafb595

  • SSDEEP

    49152:PUInpnxB4FZoGHFl+EpZOfyGSUXxeUIIVCu:PJR4FjHJoq5UXMU1z

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

hate

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      b76d82d0e413c4b7f21f96dbaca8180bbae0dfcdf4bdeba2aef3cb3413bed8ce

    • Size

      1.8MB

    • MD5

      b7720b5120de2b14e91e87ecf1969f5d

    • SHA1

      188d865c8c0284ed6f89906e0bcdcd9e61a41517

    • SHA256

      b76d82d0e413c4b7f21f96dbaca8180bbae0dfcdf4bdeba2aef3cb3413bed8ce

    • SHA512

      fe10a7db3341da9f15b44e920b5af4a7a9406c0f3cfcb940f44ca4177550e7758bc180d1d98d2c3e7ab5467d0d0bd05811dd90d3f9b9c55f7044d455dfafb595

    • SSDEEP

      49152:PUInpnxB4FZoGHFl+EpZOfyGSUXxeUIIVCu:PJR4FjHJoq5UXMU1z

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks