General

  • Target

    fa67fc3ad376a1a957c05396237ef5bd878d82da6e9eb7be74ba91a3a51846d0

  • Size

    742KB

  • Sample

    230820-fgnddadd69

  • MD5

    d156f9d7cf3dea9df688d49c014a968b

  • SHA1

    433f5d80458e8c13a61b4c8762f912a2b35ea04d

  • SHA256

    fa67fc3ad376a1a957c05396237ef5bd878d82da6e9eb7be74ba91a3a51846d0

  • SHA512

    381a5490da19238d49ad5c3e84b12834cfd1435f495203b3ba96d81f920c955e06fb55eeaac85ed3c91a7b580a67f5c6f405dd2ec4122cbcf1713b1c6b324538

  • SSDEEP

    12288:XkkrSSdz3saVZ9HTWlkdlgq67pKf/6plEHfMEKW73W4qzLrCJQRYRMxt5ag/:XjruatSlaRwDKt+JzLmwWCt4g/

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: [email protected] Reserve e-mail address to contact us: [email protected] 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

      fa67fc3ad376a1a957c05396237ef5bd878d82da6e9eb7be74ba91a3a51846d0

    • Size

      742KB

    • MD5

      d156f9d7cf3dea9df688d49c014a968b

    • SHA1

      433f5d80458e8c13a61b4c8762f912a2b35ea04d

    • SHA256

      fa67fc3ad376a1a957c05396237ef5bd878d82da6e9eb7be74ba91a3a51846d0

    • SHA512

      381a5490da19238d49ad5c3e84b12834cfd1435f495203b3ba96d81f920c955e06fb55eeaac85ed3c91a7b580a67f5c6f405dd2ec4122cbcf1713b1c6b324538

    • SSDEEP

      12288:XkkrSSdz3saVZ9HTWlkdlgq67pKf/6plEHfMEKW73W4qzLrCJQRYRMxt5ag/:XjruatSlaRwDKt+JzLmwWCt4g/

    • 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 Enterprise v15

Tasks