General

  • Target

    52e060874dc51ad16806e700ba96db9fdcf5ca809e603757c11cfb27bc6c06fc

  • Size

    812KB

  • Sample

    221121-eygfqabg63

  • MD5

    8e637847078984ede008e53a549aaf59

  • SHA1

    7dd746cfecce7b728918bd15d7d7eb3e2da70474

  • SHA256

    52e060874dc51ad16806e700ba96db9fdcf5ca809e603757c11cfb27bc6c06fc

  • SHA512

    2490077145aace9b17f7c8f9d162f6a666ac69ec38442e123fc153a24baddf7be993c18195b117952a55f78a991418f262048b969208fbd0a0e71098096ce3e3

  • SSDEEP

    12288:5ut1pRUXONwDOxBgPpxGykjgiVrg/mTW+g/TC+Tr/3+uh/Y8HXKMWIfNZQlH06z1:5k1pRUizyX8K+qTC8rfH33GoNZQ26zc

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/test1/get.php

Attributes
  • extension

    .tcvp

  • offline_id

    JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1

  • payload_url

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

    http://fresherlights.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-bpYXr2m3kI 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@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0604Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.7

Botnet

517

C2

https://t.me/deadftx

https://www.ultimate-guitar.com/u/smbfupkuhrgc1

Attributes
  • profile_id

    517

Targets

    • Target

      52e060874dc51ad16806e700ba96db9fdcf5ca809e603757c11cfb27bc6c06fc

    • Size

      812KB

    • MD5

      8e637847078984ede008e53a549aaf59

    • SHA1

      7dd746cfecce7b728918bd15d7d7eb3e2da70474

    • SHA256

      52e060874dc51ad16806e700ba96db9fdcf5ca809e603757c11cfb27bc6c06fc

    • SHA512

      2490077145aace9b17f7c8f9d162f6a666ac69ec38442e123fc153a24baddf7be993c18195b117952a55f78a991418f262048b969208fbd0a0e71098096ce3e3

    • SSDEEP

      12288:5ut1pRUXONwDOxBgPpxGykjgiVrg/mTW+g/TC+Tr/3+uh/Y8HXKMWIfNZQlH06z1:5k1pRUizyX8K+qTC8rfH33GoNZQ26zc

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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 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

Collection

Data from Local System

3
T1005

Tasks