General

  • Target

    random.exe

  • Size

    938KB

  • Sample

    250207-slrb2sxkfm

  • MD5

    82770f4f16aafa62bf019d0e2944023c

  • SHA1

    1a5de9e7ff040d5826f667772b968c3fef511a1d

  • SHA256

    3102530afdedd09fe1f4900a923940a685f225a9b403c82b5ad6ef7387645a58

  • SHA512

    cbeea51108249e8450ad07a24797b1fc37ddb9cabd44995560dec23c7827b5a77e6e84cc0a870ed41667ffafdcd6750c32fe92b217527c2f98e46990fd0f8667

  • SSDEEP

    24576:8qDEvCTbMWu7rQYlBQcBiT6rprG8ay8F:8TvC/MTQYxsWR7ay8

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

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

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

      random.exe

    • Size

      938KB

    • MD5

      82770f4f16aafa62bf019d0e2944023c

    • SHA1

      1a5de9e7ff040d5826f667772b968c3fef511a1d

    • SHA256

      3102530afdedd09fe1f4900a923940a685f225a9b403c82b5ad6ef7387645a58

    • SHA512

      cbeea51108249e8450ad07a24797b1fc37ddb9cabd44995560dec23c7827b5a77e6e84cc0a870ed41667ffafdcd6750c32fe92b217527c2f98e46990fd0f8667

    • SSDEEP

      24576:8qDEvCTbMWu7rQYlBQcBiT6rprG8ay8F:8TvC/MTQYxsWR7ay8

    • Amadey

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

    • Amadey family

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • 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

      Using powershell.exe command.

    • 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

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks