General

  • Target
    F69BB2AF3DBB3FAC27F3CFFFDDF2993B.exe
  • Size 4.3MB
  • Sample210903-rlqvvagean
  • SHA256 01f4e7e10bb524b04e6c8e731f51b600ad5948e1001531b05df57eb3c5f2d0ef
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • vidar

Version
  • 40.1

Botnet
  • 706

C2
  • https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • pub1

C2
  • viacetequn.site:80

Extracted

Family
  • raccoon

Botnet
  • b8ef25fa9e346b7a31e4b6ff160623dd5fed2474

Attributes
  • url4cnc

    https://telete.in/iphbarberleo

rc4.plain
rc4.plain

Extracted

Family
  • raccoon

Botnet
  • 2d1fa8a1b3c606f582add005087c86b4317a0710

Attributes
  • url4cnc

    https://telete.in/bimboDinotrex

rc4.plain
rc4.plain

Extracted

Family
  • vidar

Version
  • 40.4

Botnet
  • 937

C2
  • https://romkaxarit.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target
      F69BB2AF3DBB3FAC27F3CFFFDDF2993B.exe
    • Size 4.3MB
    • SHA256 01f4e7e10bb524b04e6c8e731f51b600ad5948e1001531b05df57eb3c5f2d0ef
    • MD5 SHA1 SHA512
    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

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

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

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

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks