General

  • Target

    9703bbdda3662aaf15fc1560755018d7eb1c6c9e4ef32f6404cf67f28f9cf281

  • Size

    1.7MB

  • Sample

    240506-2wdclsaa53

  • MD5

    41ad0676b1c31f977991d464b09bc462

  • SHA1

    33aa733131e31ec6b51959c695efc01571c5d94f

  • SHA256

    9703bbdda3662aaf15fc1560755018d7eb1c6c9e4ef32f6404cf67f28f9cf281

  • SHA512

    9973691e4bcbceb8bfa60aef6588a37d8b6458d05366f8f3c36e1ed5c6c7eba3f03c61938cd477b4ac76fbfcd2c0ecb7280f63940a93621d627f550903eb8db1

  • SSDEEP

    49152:1xsM/zxjlW0iIgkzp8QocLJoBut4BCtyJyZVF2c:1HbxzijmiWJRtnh2c

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Extracted

Family

redline

Botnet

Test1234

C2

185.215.113.67:26260

Targets

    • Target

      9703bbdda3662aaf15fc1560755018d7eb1c6c9e4ef32f6404cf67f28f9cf281

    • Size

      1.7MB

    • MD5

      41ad0676b1c31f977991d464b09bc462

    • SHA1

      33aa733131e31ec6b51959c695efc01571c5d94f

    • SHA256

      9703bbdda3662aaf15fc1560755018d7eb1c6c9e4ef32f6404cf67f28f9cf281

    • SHA512

      9973691e4bcbceb8bfa60aef6588a37d8b6458d05366f8f3c36e1ed5c6c7eba3f03c61938cd477b4ac76fbfcd2c0ecb7280f63940a93621d627f550903eb8db1

    • SSDEEP

      49152:1xsM/zxjlW0iIgkzp8QocLJoBut4BCtyJyZVF2c:1HbxzijmiWJRtnh2c

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • 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

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Modifies boot configuration data using bcdedit

    • 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

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks