General

  • Target

    82db0a67a629a128ce304d8f7b47f79f5d4ead50f5d6624da797fc5bb2323520

  • Size

    683KB

  • Sample

    231024-yec4qshc7t

  • MD5

    bdede491880ff190f539c76a0dee4f57

  • SHA1

    3edd769f1e2e5d96fd14f4c941646992e8ccc550

  • SHA256

    82db0a67a629a128ce304d8f7b47f79f5d4ead50f5d6624da797fc5bb2323520

  • SHA512

    354975816c5d53000087e7c6e7a3e5990e7e13cb45cae0c82e88f61a5b3a86eb92356902f5d7dc3fcf2b2cf1e3a8c753527f51b9f74d6e230fd947f5fb1836ee

  • SSDEEP

    12288:hhS8nFEADw+jlpwLuysHdq2+bc0xaxtRYcD4GiKnTHdHhpi:hrCmw4lR99JssCF7KTHdHr

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .zput

  • offline_id

    OnB5BCsUkG8OhWvHL3Y0tNlfgHqdMG4puQsBzvt1

  • 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-cfHHerNTF6 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: 0814JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.2

Botnet

58f391d2f33b9f5a2ddb51a3516986eb

C2

https://steamcommunity.com/profiles/76561199564671869

https://t.me/scubytale

Attributes
  • profile_id_v2

    58f391d2f33b9f5a2ddb51a3516986eb

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Targets

    • Target

      82db0a67a629a128ce304d8f7b47f79f5d4ead50f5d6624da797fc5bb2323520

    • Size

      683KB

    • MD5

      bdede491880ff190f539c76a0dee4f57

    • SHA1

      3edd769f1e2e5d96fd14f4c941646992e8ccc550

    • SHA256

      82db0a67a629a128ce304d8f7b47f79f5d4ead50f5d6624da797fc5bb2323520

    • SHA512

      354975816c5d53000087e7c6e7a3e5990e7e13cb45cae0c82e88f61a5b3a86eb92356902f5d7dc3fcf2b2cf1e3a8c753527f51b9f74d6e230fd947f5fb1836ee

    • SSDEEP

      12288:hhS8nFEADw+jlpwLuysHdq2+bc0xaxtRYcD4GiKnTHdHhpi:hrCmw4lR99JssCF7KTHdHr

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks