General

  • Target

    5b24f29aab708907f8acbe4d16873a0116533029b81f0c1f9a5fad5b3a54a2d9

  • Size

    1.8MB

  • Sample

    250211-zk4pbazlh1

  • MD5

    b1447ca027b813486bbd9bb290cfbd0d

  • SHA1

    e772fac1228583d6d9e7b853ba4b3d6cf606dfa8

  • SHA256

    5b24f29aab708907f8acbe4d16873a0116533029b81f0c1f9a5fad5b3a54a2d9

  • SHA512

    bb91fbd271ac6e3655ad538c41af6c3089787ae23c750ac0106f2a2481835e3b0691056258438d139ee70cbf6169d0ca42948683fe0bf5b03b10c73cbd34bd5f

  • SSDEEP

    49152:JxMsunbmOnBAd1H6ddyXwhHIBVm7FvzvEO1wxM:KneaddcWztzvEOV

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      5b24f29aab708907f8acbe4d16873a0116533029b81f0c1f9a5fad5b3a54a2d9

    • Size

      1.8MB

    • MD5

      b1447ca027b813486bbd9bb290cfbd0d

    • SHA1

      e772fac1228583d6d9e7b853ba4b3d6cf606dfa8

    • SHA256

      5b24f29aab708907f8acbe4d16873a0116533029b81f0c1f9a5fad5b3a54a2d9

    • SHA512

      bb91fbd271ac6e3655ad538c41af6c3089787ae23c750ac0106f2a2481835e3b0691056258438d139ee70cbf6169d0ca42948683fe0bf5b03b10c73cbd34bd5f

    • SSDEEP

      49152:JxMsunbmOnBAd1H6ddyXwhHIBVm7FvzvEO1wxM:KneaddcWztzvEOV

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks