General

  • Target

    SecuriteInfo.com.Win32.Evo-gen.670.6796.exe

  • Size

    1.8MB

  • Sample

    240530-st6fyach5y

  • MD5

    deeabfd3c8003c3aea49faecebe7775b

  • SHA1

    4a4c2414e0db525271ffb23cd3d8429c9fb66aa5

  • SHA256

    73aaf38dcddcbef4405c04584430861298ec529c61e79a5d9cc0806b105cc11f

  • SHA512

    83c7a2fda4416b3a1b6b29f06728bb279b44e45a3319a12d19ea505bf30f4f74d78b1b6250d1bb158c4b82f3799b42650ea4fb82c837984de65f29a9326b1836

  • SSDEEP

    49152:w+xVpEsmiXhLWfzOJ2ZxpWrDf84xNILF7ivcKGcH4R/E3SzG:rGsm8L0zOJ2/pWPNxNIJ7ivcKD8/eSz

Malware Config

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

redline

Botnet

1

C2

185.215.113.67:40960

Targets

    • Target

      SecuriteInfo.com.Win32.Evo-gen.670.6796.exe

    • Size

      1.8MB

    • MD5

      deeabfd3c8003c3aea49faecebe7775b

    • SHA1

      4a4c2414e0db525271ffb23cd3d8429c9fb66aa5

    • SHA256

      73aaf38dcddcbef4405c04584430861298ec529c61e79a5d9cc0806b105cc11f

    • SHA512

      83c7a2fda4416b3a1b6b29f06728bb279b44e45a3319a12d19ea505bf30f4f74d78b1b6250d1bb158c4b82f3799b42650ea4fb82c837984de65f29a9326b1836

    • SSDEEP

      49152:w+xVpEsmiXhLWfzOJ2ZxpWrDf84xNILF7ivcKGcH4R/E3SzG:rGsm8L0zOJ2/pWPNxNIJ7ivcKD8/eSz

    • 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

    • UAC bypass

    • Windows security bypass

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Sets service image path in registry

    • 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 user/profile data of web browsers

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

    • Registers COM server for autorun

    • 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