Resubmissions

17/08/2021, 08:50

210817-93dcp7bk4e

16/08/2021, 23:51

210816-brbk3bytl610

General

  • Target
    375C1FFE19F2FBA6FF5F32B4000CDEA4.exe
  • Size 631KB
  • Sample210816-brbk3bytl6
  • SHA256 b9f79bcb4c0ea9e939b35813e807fda308b7038f1dea613e7d8bbd7fe127ac84
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • ww

C2
  • 159.69.178.36:37556

Extracted

Family
  • redline

Botnet
  • dibild

C2
  • 135.148.139.222:33569

Extracted

Family
  • redline

Botnet
  • ls4

C2
  • ighaisexel.xyz:80

Extracted

Family
  • redline

Botnet
  • forinstalls2

C2
  • 77.220.213.35:52349

Extracted

Family
  • redline

Botnet
  • 4

C2
  • 213.166.68.170:16810

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
  • metasploit

Version
  • windows/single_exec

Extracted

Family
  • raccoon

Botnet
  • 171b0ea0beebb33c2d9043b095edfe8ec188b323

Attributes
  • url4cnc

    https://telete.in/fihborntoflyes

rc4.plain
rc4.plain

Extracted

Family
  • vidar

Version
  • 40

Botnet
  • 937

C2
  • https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Extracted

Family
  • redline

Botnet
  • @xmercuryx

C2
  • 91.228.56.223:20793

Targets

    • Target
      375C1FFE19F2FBA6FF5F32B4000CDEA4.exe
    • Size 631KB
    • SHA256 b9f79bcb4c0ea9e939b35813e807fda308b7038f1dea613e7d8bbd7fe127ac84
    • MD5 SHA1 SHA512
    • Glupteba

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

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • 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.

    • Raccoon Stealer Payload

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • 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 Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • 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

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

    • Nirsoft

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • 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.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks