General

  • Target

    15c9280f9458de84c4b8534fa91219d4a78d54b90bdd4cab599bff29c4dc99c9

  • Size

    1.9MB

  • Sample

    240526-vf35rseb34

  • MD5

    18f684e26b30434930a86699389d73a2

  • SHA1

    be27ef9c6bf5107f5dfef23340d02f50382d09f8

  • SHA256

    15c9280f9458de84c4b8534fa91219d4a78d54b90bdd4cab599bff29c4dc99c9

  • SHA512

    6c7b61550617a84ca9535b08d810039b283d89108aa9ab478c0bb45c250a80f80d2635de87f892c0e7b3c82976c8f7c354d532f4aca861721e8b884720b3820b

  • SSDEEP

    49152:lSkD5PPAxuoPif8SRTZITZpcIhiwS1BPwQ:lSeQxuYiUSETZpcIdSoQ

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:40960

Targets

    • Target

      15c9280f9458de84c4b8534fa91219d4a78d54b90bdd4cab599bff29c4dc99c9

    • Size

      1.9MB

    • MD5

      18f684e26b30434930a86699389d73a2

    • SHA1

      be27ef9c6bf5107f5dfef23340d02f50382d09f8

    • SHA256

      15c9280f9458de84c4b8534fa91219d4a78d54b90bdd4cab599bff29c4dc99c9

    • SHA512

      6c7b61550617a84ca9535b08d810039b283d89108aa9ab478c0bb45c250a80f80d2635de87f892c0e7b3c82976c8f7c354d532f4aca861721e8b884720b3820b

    • SSDEEP

      49152:lSkD5PPAxuoPif8SRTZITZpcIhiwS1BPwQ:lSeQxuYiUSETZpcIdSoQ

    • Amadey

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

    • 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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • UAC bypass

    • Windows security bypass

    • xmrig

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

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

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Sets service image path in registry

    • 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.

    • 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

    • Modifies system executable filetype association

    • 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.

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • 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

    • Drops Chrome extension

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • 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