General

  • Target

    d4ad02cface44c6e708711b1a7e6e4dba205358cc15be264255c0f562e97be0d

  • Size

    657KB

  • Sample

    221130-engnqshg9y

  • MD5

    8f1ffbd841ae305c5297476d38aeabf3

  • SHA1

    ef06b7fc7740d78662fda0b9e2b7179a4a8ac782

  • SHA256

    d4ad02cface44c6e708711b1a7e6e4dba205358cc15be264255c0f562e97be0d

  • SHA512

    dda1f2ec523e640fcbb54e160bf2c0044bec6a2225cae315ec399e18c33a2732d285dc12ebcc32a99a151a2b7139ed8c92f7ec8d42862dbeab8fdaed46f783df

  • SSDEEP

    12288:clVCcQzHbMlKHP6L7DWx9jzHl4oURGIiguy3++/J:cl1aHbMl8P8uTjrURxBB

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.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-5UcwRdS3ED 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@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      d4ad02cface44c6e708711b1a7e6e4dba205358cc15be264255c0f562e97be0d

    • Size

      657KB

    • MD5

      8f1ffbd841ae305c5297476d38aeabf3

    • SHA1

      ef06b7fc7740d78662fda0b9e2b7179a4a8ac782

    • SHA256

      d4ad02cface44c6e708711b1a7e6e4dba205358cc15be264255c0f562e97be0d

    • SHA512

      dda1f2ec523e640fcbb54e160bf2c0044bec6a2225cae315ec399e18c33a2732d285dc12ebcc32a99a151a2b7139ed8c92f7ec8d42862dbeab8fdaed46f783df

    • SSDEEP

      12288:clVCcQzHbMlKHP6L7DWx9jzHl4oURGIiguy3++/J:cl1aHbMl8P8uTjrURxBB

    • 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

    • Checks computer location settings

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

    • 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

    • Accesses cryptocurrency files/wallets, 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 v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks