General

  • Target

    ae8c13e3aa1b5b5f4bd7870b47a0a408b462834a4b8efc19ffaa758b674eb054

  • Size

    807KB

  • Sample

    231202-hzjt1sad67

  • MD5

    c8f255dd1d501e90d5b383fe057d056b

  • SHA1

    66549427459c996431584a6d597e5b755f0f4bae

  • SHA256

    ae8c13e3aa1b5b5f4bd7870b47a0a408b462834a4b8efc19ffaa758b674eb054

  • SHA512

    0cf26c04a2c6abf39b684e9501cf0dbc82b0f8d0ecd3d53b62c192c2b1e31d548ea58ce2054f4be40f4afe5a7b7d398c99e75e2a0a62d5ab0070cca45dacff0c

  • SSDEEP

    24576:yQhoQwr33TTTXutUnq2/DFcrfun0EOAO7sHcQEzEJSgaBrI:yQho3r33DDdrhnXRpjJS

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

      ae8c13e3aa1b5b5f4bd7870b47a0a408b462834a4b8efc19ffaa758b674eb054

    • Size

      807KB

    • MD5

      c8f255dd1d501e90d5b383fe057d056b

    • SHA1

      66549427459c996431584a6d597e5b755f0f4bae

    • SHA256

      ae8c13e3aa1b5b5f4bd7870b47a0a408b462834a4b8efc19ffaa758b674eb054

    • SHA512

      0cf26c04a2c6abf39b684e9501cf0dbc82b0f8d0ecd3d53b62c192c2b1e31d548ea58ce2054f4be40f4afe5a7b7d398c99e75e2a0a62d5ab0070cca45dacff0c

    • SSDEEP

      24576:yQhoQwr33TTTXutUnq2/DFcrfun0EOAO7sHcQEzEJSgaBrI:yQho3r33DDdrhnXRpjJS

    • 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