General

  • Target

    f2afc4622815c8b16661b9d31a194693d2c84306426208cd14c0e8f8baeaeab0

  • Size

    754KB

  • Sample

    230821-pwlb1aee7z

  • MD5

    9b2334c73194a1573fad573bf1c1d958

  • SHA1

    470423772bce33d06f07e584a40f53edfa2d9ef4

  • SHA256

    f2afc4622815c8b16661b9d31a194693d2c84306426208cd14c0e8f8baeaeab0

  • SHA512

    2a9cd1c6b40dfa918b3dbffdad21f4f777082ee436d996e4c1f64053a41e708a1ad1e23678bafd5e54d59a5181b8e8ba8ad6ec39944f1cf49604cad96e1ea72d

  • SSDEEP

    12288:UiJQKLDTbZnOv/iAeHnR4oA33S18uIXekzHZYykfGbte8r+PVuxGyzqS:UURAHilqoA3COuhkzHZYykfGbwQqymS

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jasa

  • offline_id

    umIwyPwiSJOJvBcdwrWXqzHWO4ar4za6seqWE2t1

  • 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-41jgkAwnmH 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: 0762JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.2

Botnet

35aa2808fb90f9e9dac907e1be77f310

C2

https://t.me/odyssey_tg

https://steamcommunity.com/profiles/76561199541261200

Attributes
  • profile_id_v2

    35aa2808fb90f9e9dac907e1be77f310

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.30 (KHTML, like Gecko) Chrome/115.0.1.0 Safari/537.30

Targets

    • Target

      f2afc4622815c8b16661b9d31a194693d2c84306426208cd14c0e8f8baeaeab0

    • Size

      754KB

    • MD5

      9b2334c73194a1573fad573bf1c1d958

    • SHA1

      470423772bce33d06f07e584a40f53edfa2d9ef4

    • SHA256

      f2afc4622815c8b16661b9d31a194693d2c84306426208cd14c0e8f8baeaeab0

    • SHA512

      2a9cd1c6b40dfa918b3dbffdad21f4f777082ee436d996e4c1f64053a41e708a1ad1e23678bafd5e54d59a5181b8e8ba8ad6ec39944f1cf49604cad96e1ea72d

    • SSDEEP

      12288:UiJQKLDTbZnOv/iAeHnR4oA33S18uIXekzHZYykfGbte8r+PVuxGyzqS:UURAHilqoA3COuhkzHZYykfGbwQqymS

    • 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

    • 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

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks