General

  • Target

    661c2fcd09da5f17478ce095cd6fe0c9be7bde84dfd76a4ad8f8848e456ef4b0

  • Size

    264KB

  • Sample

    220509-mpq8kachh6

  • MD5

    6b8cd6b643f5886339ee64a51d41314e

  • SHA1

    b43f97aa7febf23dcbd53a42288a7c0abc2b89e5

  • SHA256

    661c2fcd09da5f17478ce095cd6fe0c9be7bde84dfd76a4ad8f8848e456ef4b0

  • SHA512

    a808fc2d67a28b483b25216243764a287f4300943deb5e7094202a5a2746508fd237a0361d36f79588e832faf770436b52799e66d2de22248ae8922eab39e64c

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://monsutiur4.com/

http://nusurionuy5ff.at/

http://moroitomo4.net/

http://susuerulianita1.net/

http://cucumbetuturel4.com/

http://nunuslushau.com/

http://linislominyt11.at/

http://luxulixionus.net/

http://lilisjjoer44.com/

http://nikogminut88.at/

http://limo00ruling.org/

http://mini55tunul.com/

http://samnutu11nuli.com/

http://nikogkojam.org/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://ugll.org/lancer/get.php

Attributes
  • extension

    .egfg

  • offline_id

    QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1

  • payload_url

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

    http://ugll.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-6Ti2DxXR3I 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: manager@time2mail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0474JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

52

Botnet

1333

C2

https://t.me/hollandracing

https://busshi.moe/@ronxik321

Attributes
  • profile_id

    1333

Extracted

Family

redline

Botnet

2

C2

91.241.19.193:11630

Attributes
  • auth_value

    8f1381a27a56c64f6bc5ea1d4744ee1a

Extracted

Family

vidar

Version

52

Botnet

517

C2

https://t.me/hollandracing

https://busshi.moe/@ronxik321

Attributes
  • profile_id

    517

Targets

    • Target

      661c2fcd09da5f17478ce095cd6fe0c9be7bde84dfd76a4ad8f8848e456ef4b0

    • Size

      264KB

    • MD5

      6b8cd6b643f5886339ee64a51d41314e

    • SHA1

      b43f97aa7febf23dcbd53a42288a7c0abc2b89e5

    • SHA256

      661c2fcd09da5f17478ce095cd6fe0c9be7bde84dfd76a4ad8f8848e456ef4b0

    • SHA512

      a808fc2d67a28b483b25216243764a287f4300943deb5e7094202a5a2746508fd237a0361d36f79588e832faf770436b52799e66d2de22248ae8922eab39e64c

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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 Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

      suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • 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.

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks