General

  • Target

    c069c9063f9afd94cd8f31f6c350a8731f88ee2c0c7873a68366069c9b4ebc71

  • Size

    1.8MB

  • Sample

    240605-xnylcseg9x

  • MD5

    10d3cc684e52ac61ff7f558aa2a4655d

  • SHA1

    ffc55c5ebdd1424e80a8cd38ed6d681361438337

  • SHA256

    c069c9063f9afd94cd8f31f6c350a8731f88ee2c0c7873a68366069c9b4ebc71

  • SHA512

    3bc4d19b408bbf22464a6b03eb8b701d04d9be8007778caf221b35ce7d5e639989b70828a141dbf7bee30e8752cba16a79e2c738c071cf9dc4a84f4e0efceb95

  • SSDEEP

    49152:KkxjvXY9r6oM+B4Ey0iF8APhJiERn/aQgnRJd+8HUSBuQ:Kwc9rv1B8H8Mi2CQgnF+Yx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Extracted

Family

amadey

Version

8254624243

Botnet

e76b71

C2

http://77.91.77.81

Attributes
  • install_dir

    8254624243

  • install_file

    axplong.exe

  • strings_key

    90049e51fabf09df0d6748e0b271922e

  • url_paths

    /Kiru9gu/index.php

rc4.plain

Extracted

Family

amadey

Version

4.21

Botnet

9a3efc

C2

http://check-ftp.ru

Attributes
  • install_dir

    b9695770f1

  • install_file

    Dctooux.exe

  • strings_key

    1d3a0f2941c4060dba7f23a378474944

  • url_paths

    /forum/index.php

rc4.plain

Extracted

Family

redline

Botnet

newbild

C2

185.215.113.67:40960

Extracted

Family

redline

Botnet

@LOGSCLOUDYT_BOT

C2

185.172.128.33:8970

Extracted

Family

lumma

C2

https://macabrecondfucews.shop/api

https://distincttangyflippan.shop/api

https://greentastellesqwm.shop/api

https://stickyyummyskiwffe.shop/api

https://sturdyregularrmsnhw.shop/api

https://lamentablegapingkwaq.shop/api

https://innerverdanytiresw.shop/api

https://standingcomperewhitwo.shop/api

Targets

    • Target

      c069c9063f9afd94cd8f31f6c350a8731f88ee2c0c7873a68366069c9b4ebc71

    • Size

      1.8MB

    • MD5

      10d3cc684e52ac61ff7f558aa2a4655d

    • SHA1

      ffc55c5ebdd1424e80a8cd38ed6d681361438337

    • SHA256

      c069c9063f9afd94cd8f31f6c350a8731f88ee2c0c7873a68366069c9b4ebc71

    • SHA512

      3bc4d19b408bbf22464a6b03eb8b701d04d9be8007778caf221b35ce7d5e639989b70828a141dbf7bee30e8752cba16a79e2c738c071cf9dc4a84f4e0efceb95

    • SSDEEP

      49152:KkxjvXY9r6oM+B4Ey0iF8APhJiERn/aQgnRJd+8HUSBuQ:Kwc9rv1B8H8Mi2CQgnF+Yx

    • Amadey

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

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • RedLine

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

    • RedLine payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • UAC bypass

    • Windows security bypass

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • 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 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

    • 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

    • Drops desktop.ini file(s)

    • 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