General

  • Target

    98c1ac4afc4cea0f97d56ca7a030b6ff7309caca6bccfe14adf698a023a2982a

  • Size

    820KB

  • Sample

    231202-ex9e4shh44

  • MD5

    950bec7824bc97cbce3f8f3609125d42

  • SHA1

    0a5fc4836a2dfb6cce629df38764e9aaed5a9c39

  • SHA256

    98c1ac4afc4cea0f97d56ca7a030b6ff7309caca6bccfe14adf698a023a2982a

  • SHA512

    f589ef9ecb2bc6eb784d597d5b32ee2b52bc2aa492fca551d9042d0f3ed765223e0be909ea047f5a7a4652a339c5cf0ca8e2595cba1363d69c702a2280e5688c

  • SSDEEP

    12288:MEOD7SANd7rSewXQ2K5RLkLqcqwpeHAm+X7+fKlylpZR/WTlFQwVVAq5B7II:M/Xz9r0XOSecqwp4h+LYPbyVZ5B7II

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jazi

  • offline_id

    UlJXrkKDIkENh0vb5W9For2Yyh6riGytjO5p2St1

  • payload_url

    http://brusuax.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-iu965qqEb1 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: datarestorehelpyou@airmail.cc Your personal ID: 0830Usdk

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.7

Botnet

aef20f7eb91ec5457d74e4fa0796c2bf

C2

https://t.me/s4p0g

https://steamcommunity.com/profiles/76561199575355834

Attributes
  • profile_id_v2

    aef20f7eb91ec5457d74e4fa0796c2bf

Targets

    • Target

      98c1ac4afc4cea0f97d56ca7a030b6ff7309caca6bccfe14adf698a023a2982a

    • Size

      820KB

    • MD5

      950bec7824bc97cbce3f8f3609125d42

    • SHA1

      0a5fc4836a2dfb6cce629df38764e9aaed5a9c39

    • SHA256

      98c1ac4afc4cea0f97d56ca7a030b6ff7309caca6bccfe14adf698a023a2982a

    • SHA512

      f589ef9ecb2bc6eb784d597d5b32ee2b52bc2aa492fca551d9042d0f3ed765223e0be909ea047f5a7a4652a339c5cf0ca8e2595cba1363d69c702a2280e5688c

    • SSDEEP

      12288:MEOD7SANd7rSewXQ2K5RLkLqcqwpeHAm+X7+fKlylpZR/WTlFQwVVAq5B7II:M/Xz9r0XOSecqwp4h+LYPbyVZ5B7II

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks