General

  • Target

    26LC9_random.exe

  • Size

    938KB

  • Sample

    250208-x7867s1nhq

  • MD5

    5f5311db746cf4e37cbce62174620467

  • SHA1

    046464dd8858bafee645c26c225abc209379199d

  • SHA256

    35fbdd95d2951a99c5420f110a434bebb19ee51ddd040c28c45f9cb71d5ca9b9

  • SHA512

    c8b948e9dc298240b86511ee73684496b8da66fb41bae82af5a27789348155e410d27cac594bd75a65ffc312a87d8629ff78b8125a39a7cb55e90b6a8b5f0acc

  • SSDEEP

    24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8ayxF:nTvC/MTQYxsWR7ayx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

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

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      26LC9_random.exe

    • Size

      938KB

    • MD5

      5f5311db746cf4e37cbce62174620467

    • SHA1

      046464dd8858bafee645c26c225abc209379199d

    • SHA256

      35fbdd95d2951a99c5420f110a434bebb19ee51ddd040c28c45f9cb71d5ca9b9

    • SHA512

      c8b948e9dc298240b86511ee73684496b8da66fb41bae82af5a27789348155e410d27cac594bd75a65ffc312a87d8629ff78b8125a39a7cb55e90b6a8b5f0acc

    • SSDEEP

      24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8ayxF:nTvC/MTQYxsWR7ayx

    • 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)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • 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