General

  • Target

    1d7afdd7f0376b99dd5034c795292de369d900bb5820a73b7cb95fe8d1a3aad0

  • Size

    803KB

  • Sample

    231004-d8habsgh4x

  • MD5

    57d66bc14d0dc3903ede210e01d6baac

  • SHA1

    46f64ca57ab62628ee054e6a9b7e5c8d986b94ab

  • SHA256

    1d7afdd7f0376b99dd5034c795292de369d900bb5820a73b7cb95fe8d1a3aad0

  • SHA512

    42028b9e1e467df7b193c37015b481c7132c1320c18b488e9f5df3129163b1bab8c65e20de9ab6bde5332a14b17197b991c4e21762666483e72c1801059ed6fc

  • SSDEEP

    24576:8V8FKLg82QUu2D/kaOji7mINOkHKO/be:8eFSIx7dKO/be

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ttap

  • offline_id

    9qw1wmu1ty4GEiHZdxilHPjCyX6ENKTotjt6MIt1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.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-4vhLUot4Kz 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@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0800JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.9

Botnet

b4fc4cd2d76417bf461814b9d989fcdb

C2

https://steamcommunity.com/profiles/76561199557479327

https://t.me/grizmons

Attributes
  • profile_id_v2

    b4fc4cd2d76417bf461814b9d989fcdb

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Targets

    • Target

      1d7afdd7f0376b99dd5034c795292de369d900bb5820a73b7cb95fe8d1a3aad0

    • Size

      803KB

    • MD5

      57d66bc14d0dc3903ede210e01d6baac

    • SHA1

      46f64ca57ab62628ee054e6a9b7e5c8d986b94ab

    • SHA256

      1d7afdd7f0376b99dd5034c795292de369d900bb5820a73b7cb95fe8d1a3aad0

    • SHA512

      42028b9e1e467df7b193c37015b481c7132c1320c18b488e9f5df3129163b1bab8c65e20de9ab6bde5332a14b17197b991c4e21762666483e72c1801059ed6fc

    • SSDEEP

      24576:8V8FKLg82QUu2D/kaOji7mINOkHKO/be:8eFSIx7dKO/be

    • 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

    • 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

    • 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 v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks