General

  • Target

    02164a26984198d45d80ec8a7b86b33395fa4305c2431f9320df7af7ed61a631

  • Size

    728KB

  • Sample

    240212-d8gzkafg59

  • MD5

    762ba1aff6bacca1f01a4bd8c6af3258

  • SHA1

    2a0584ca791c25b7c0ef610f4e6a84b7a967cbf5

  • SHA256

    02164a26984198d45d80ec8a7b86b33395fa4305c2431f9320df7af7ed61a631

  • SHA512

    742ad8520f2f7b077139056c1651c62c046805f97c7a82d82e9b0cf8c4445745ca631ee3724ad5272c0cede6818be8293f2b0c3dc1ca13e8d88c8b23a54a2333

  • SSDEEP

    12288:CkjhzCx1r4kYSofXHRiaEpHiI/V/kNhqQ1+OsH7GXn8x8zd/4/sHOYH/I:Ckt+x1ck2fhia0CI9cTdGMb/4/LgI

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • payload_url

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

    http://habrafa.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://we.tl/t-hPAqznkJKD Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0849ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.7

Botnet

655507914130aa0fe72362726c206a7c

C2

https://t.me/newagev

https://steamcommunity.com/profiles/76561199631487327

Attributes
  • profile_id_v2

    655507914130aa0fe72362726c206a7c

Targets

    • Target

      02164a26984198d45d80ec8a7b86b33395fa4305c2431f9320df7af7ed61a631

    • Size

      728KB

    • MD5

      762ba1aff6bacca1f01a4bd8c6af3258

    • SHA1

      2a0584ca791c25b7c0ef610f4e6a84b7a967cbf5

    • SHA256

      02164a26984198d45d80ec8a7b86b33395fa4305c2431f9320df7af7ed61a631

    • SHA512

      742ad8520f2f7b077139056c1651c62c046805f97c7a82d82e9b0cf8c4445745ca631ee3724ad5272c0cede6818be8293f2b0c3dc1ca13e8d88c8b23a54a2333

    • SSDEEP

      12288:CkjhzCx1r4kYSofXHRiaEpHiI/V/kNhqQ1+OsH7GXn8x8zd/4/sHOYH/I:Ckt+x1ck2fhia0CI9cTdGMb/4/LgI

    • Detect Vidar Stealer

    • 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

    • Loads dropped DLL

    • 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

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks