General

  • Target
    d26fb8270e414d94dcfce307894984b0.exe
  • Size 170KB
  • Sample211029-bbh49ahbdj
  • SHA256 ff2ac01bceeacfb50486d9ec87bcfce8523b341530a4a7b9a7bbb804c882ad41
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://xacokuo8.top/

  • http://hajezey1.top/

  • http://nusurtal4f.net/

  • http://netomishnetojuk.net/

  • http://escalivrouter.net/

  • http://nick22doom4.net/

  • http://wrioshtivsio.su/

  • http://nusotiso4.su/

  • http://rickkhtovkka.biz/

  • http://palisotoliso.net/

  • http://193.56.146.214/

  • https://193.56.146.214/

rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • 21321313

C2
  • 93.115.20.139:28978

Extracted

Family
  • vidar

Version
  • 41.6

Botnet
  • 754

C2
  • https://mas.to/@lilocc

Attributes
  • profile_id

    754

Extracted

Family
  • redline

Botnet
  • SafeInstaller

C2
  • 185.183.32.161:80

Extracted

Family
  • raccoon

Botnet
  • 68e2d75238f7c69859792d206401b6bde2b2515c

Attributes
  • url4cnc

    http://telegalive.top/agrybirdsgamerept

    http://toptelete.top/agrybirdsgamerept

    http://telegraf.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • z0rm1on

C2
  • 185.215.113.94:15564

Extracted

Family
  • djvu

C2
  • http://rlrz.org/lancer/get.php

Attributes
  • extension

    .rivd

  • offline_id

    WbO7bkwHxaepEmevfYYUBNgcxNJGpd7hoNKokRt1

  • payload_url

    http://znpst.top/dl/build2.exe

    http://rlrz.org/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-CcXGxzXf71 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0342gSd743d

rsa_pubkey.plain

Extracted

Family
  • vidar

Version
  • 41.6

Botnet
  • 706

C2
  • https://mas.to/@lilocc

Attributes
  • profile_id

    706

Extracted

Family
  • raccoon

Botnet
  • 9b47742e621d3b0f1b0b79db6ed26e2c33328c05

Attributes
  • url4cnc

    http://telegalive.top/ustavshiy1

    http://toptelete.top/ustavshiy1

    http://telegraf.top/ustavshiy1

    https://t.me/ustavshiy1

rc4.plain
rc4.plain

Extracted

Family
  • vidar

Version
  • 41.5

Botnet
  • 517

C2
  • https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Targets

    • Target
      d26fb8270e414d94dcfce307894984b0.exe
    • Size 170KB
    • SHA256 ff2ac01bceeacfb50486d9ec87bcfce8523b341530a4a7b9a7bbb804c882ad41
    • MD5 SHA1 SHA512
    • Arkei

      Arkei is an infostealer written in C++.

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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 Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • 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

    • Arkei Stealer Payload

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

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks