General

  • Target

    a507d9b7459be7da333d8b2ca288c600bf7497fbb860b.exe

  • Size

    2.4MB

  • Sample

    220809-skk4msdff7

  • MD5

    e32a7fae572280716c85d41555752b52

  • SHA1

    1dd67b49e05612a245de0ffe93523e4ea460f8ab

  • SHA256

    a507d9b7459be7da333d8b2ca288c600bf7497fbb860b8c57189a4c00a09a3c3

  • SHA512

    52a5ae096e92809d88254f86127cf62e4d55962b05e26a2b648f6879ab973fdea9a18279c12ba907fa9015fd542da122445d899f337500e911e58ba0b4b63963

Malware Config

Extracted

Family

eternity

C2

http://rlcjba7wduej3xcstcjo577eqgjsjvcjfsw4i23fqvf2y27ylylhmhad.onion

Attributes
  • payload_urls

    http://146.19.233.133/oblak.loc/w.exe

    http://146.19.233.133/oblak.loc/win_32SR_Lib.exe, http://146.19.233.133/oblak.loc/win_32_Cl.exe, http://146.19.233.133/oblak.loc/win_32_LibRT.exe

Extracted

Family

redline

C2

213.226.123.155:2014

Attributes
  • auth_value

    0598b6406388ff69eafa98ec89e064a0

Targets

    • Target

      a507d9b7459be7da333d8b2ca288c600bf7497fbb860b.exe

    • Size

      2.4MB

    • MD5

      e32a7fae572280716c85d41555752b52

    • SHA1

      1dd67b49e05612a245de0ffe93523e4ea460f8ab

    • SHA256

      a507d9b7459be7da333d8b2ca288c600bf7497fbb860b8c57189a4c00a09a3c3

    • SHA512

      52a5ae096e92809d88254f86127cf62e4d55962b05e26a2b648f6879ab973fdea9a18279c12ba907fa9015fd542da122445d899f337500e911e58ba0b4b63963

    • DcRat

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

    • Eternity

      Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • RedLine payload

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks