General

  • Target

    dd6d3f5c869f253fc0080dbae8f0666e28573eb0bb119a65abe511edc9cd1998

  • Size

    7.1MB

  • Sample

    241125-nad55atnet

  • MD5

    fb9db2dffef3c1d5f3e4763fb73da239

  • SHA1

    77e68f25fe6e262b92af9fb10ec6e0c1812dc682

  • SHA256

    dd6d3f5c869f253fc0080dbae8f0666e28573eb0bb119a65abe511edc9cd1998

  • SHA512

    c92cc9557ab1a15c812189b0b1fd7ca14b667493a3f5ecb6419bf3d9a21a55e051c558be795382f161230cf9ed0694f7805365375e6b18addd610663eddc3752

  • SSDEEP

    196608:6YSs8vv//B7lWyuqbv5/FepVNjncazUqh3X:6YkZxWyuqDl83r

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      dd6d3f5c869f253fc0080dbae8f0666e28573eb0bb119a65abe511edc9cd1998

    • Size

      7.1MB

    • MD5

      fb9db2dffef3c1d5f3e4763fb73da239

    • SHA1

      77e68f25fe6e262b92af9fb10ec6e0c1812dc682

    • SHA256

      dd6d3f5c869f253fc0080dbae8f0666e28573eb0bb119a65abe511edc9cd1998

    • SHA512

      c92cc9557ab1a15c812189b0b1fd7ca14b667493a3f5ecb6419bf3d9a21a55e051c558be795382f161230cf9ed0694f7805365375e6b18addd610663eddc3752

    • SSDEEP

      196608:6YSs8vv//B7lWyuqbv5/FepVNjncazUqh3X:6YkZxWyuqDl83r

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • 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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks