General

  • Target

    cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3

  • Size

    133KB

  • Sample

    221002-hc3zdacca9

  • MD5

    3ecc4d46f5562cd7d5a545c3983bb523

  • SHA1

    09d98f9dd8a6d0a681815ee2a0fc9263fbc21bd5

  • SHA256

    cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3

  • SHA512

    1426056c6735f59e9148057e671ad07dea005c9b28f58101dcc265b4b2870e43e7bd0f47990aef1da0a26668e7531b289d348e8e4c02fe0c992677661204bdfa

  • SSDEEP

    3072:dggIScxRjkFSkMiEgnG2r9ql5o6ZFLFu9PyUG:3AHiEJe6s

Malware Config

Extracted

Family

raccoon

Botnet

1a17d9aed7a239440deb75d7a177f406

C2

http://193.38.55.180/

rc4.plain

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

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

    http://winnlinne.com/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-EWKSsSJiVn 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: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0569Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Targets

    • Target

      cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3

    • Size

      133KB

    • MD5

      3ecc4d46f5562cd7d5a545c3983bb523

    • SHA1

      09d98f9dd8a6d0a681815ee2a0fc9263fbc21bd5

    • SHA256

      cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3

    • SHA512

      1426056c6735f59e9148057e671ad07dea005c9b28f58101dcc265b4b2870e43e7bd0f47990aef1da0a26668e7531b289d348e8e4c02fe0c992677661204bdfa

    • SSDEEP

      3072:dggIScxRjkFSkMiEgnG2r9ql5o6ZFLFu9PyUG:3AHiEJe6s

    • DcRat

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

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • Vidar

      Vidar is an infostealer based on Arkei 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

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

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