General

  • Target

    fbc451a5357bd40114d949d1db69e9400912c42c15055a3949bb7b5f2f044962

  • Size

    1.8MB

  • Sample

    240513-rrf8laab6t

  • MD5

    1a8d9df80264849ca61343cc04d51207

  • SHA1

    490498de53ebdcc4c8a66b0d59f3f90bf8c774ad

  • SHA256

    fbc451a5357bd40114d949d1db69e9400912c42c15055a3949bb7b5f2f044962

  • SHA512

    a785f3b3edf25819b25fcf8ba9b28ca3a3501534b063f57656566cea66cc548e38101988fff4f2b46892b3789f670dcc0be93d21299ecc6a11cd6336f1014c5a

  • SSDEEP

    49152:er20YDOyofYbsVeV5/3Ty/cmfTYyu1YY+JD:ejyAYs4S/cwTruh

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://193.222.96.193:81/besho/besho.mp4

Extracted

Family

redline

Botnet

@CLOUDYTTEAM

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

Extracted

Family

stealc

C2

http://49.13.229.86

http://185.172.128.150

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

xworm

C2

127.0.0.1:7000

beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Targets

    • Target

      fbc451a5357bd40114d949d1db69e9400912c42c15055a3949bb7b5f2f044962

    • Size

      1.8MB

    • MD5

      1a8d9df80264849ca61343cc04d51207

    • SHA1

      490498de53ebdcc4c8a66b0d59f3f90bf8c774ad

    • SHA256

      fbc451a5357bd40114d949d1db69e9400912c42c15055a3949bb7b5f2f044962

    • SHA512

      a785f3b3edf25819b25fcf8ba9b28ca3a3501534b063f57656566cea66cc548e38101988fff4f2b46892b3789f670dcc0be93d21299ecc6a11cd6336f1014c5a

    • SSDEEP

      49152:er20YDOyofYbsVeV5/3Ty/cmfTYyu1YY+JD:ejyAYs4S/cwTruh

    • Amadey

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

    • Detect Xworm Payload

    • Detect ZGRat V1

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • XMRig Miner payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • 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.

    • Drops startup file

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks