General

  • Target

    b66824ebb8cdd4a381bc9c7187c601756f1ea76b087d6a9f021db2ca110812d3

  • Size

    320KB

  • Sample

    221206-f699fahe68

  • MD5

    dd51091e8733e503c5acb924a84ed62c

  • SHA1

    2ee2fe8472891a09ac90b7b5981aa016d4afd9db

  • SHA256

    b66824ebb8cdd4a381bc9c7187c601756f1ea76b087d6a9f021db2ca110812d3

  • SHA512

    06c9ad1e8287efb5678e553e3d731b2d4f1cafcd943a54ff8d25a2c26d92e05296971c38a885bb2bdfacd6f97bf1a7c7da21d5b4b91d50054a27ee5fe75d3ef4

  • SSDEEP

    3072:HK8XrjClTQyef6qieLsdIbJeB5ajjtuWPhMSPuo37yyWmW7P21Ons19IsJds0Sv3:joTQyeDLs6bJeeFS3oeN7+188I8F

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mbtf

  • offline_id

    d1BN9KEra4Hetg5GUH0nQZqy14sntD2NbihzGQt1

  • 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-8aIWIsUQt9 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: 0613Jhyjd

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

      b66824ebb8cdd4a381bc9c7187c601756f1ea76b087d6a9f021db2ca110812d3

    • Size

      320KB

    • MD5

      dd51091e8733e503c5acb924a84ed62c

    • SHA1

      2ee2fe8472891a09ac90b7b5981aa016d4afd9db

    • SHA256

      b66824ebb8cdd4a381bc9c7187c601756f1ea76b087d6a9f021db2ca110812d3

    • SHA512

      06c9ad1e8287efb5678e553e3d731b2d4f1cafcd943a54ff8d25a2c26d92e05296971c38a885bb2bdfacd6f97bf1a7c7da21d5b4b91d50054a27ee5fe75d3ef4

    • SSDEEP

      3072:HK8XrjClTQyef6qieLsdIbJeB5ajjtuWPhMSPuo37yyWmW7P21Ons19IsJds0Sv3:joTQyeDLs6bJeeFS3oeN7+188I8F

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Deletes itself

    • 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 Microsoft Outlook profiles

    • 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.

    • Drops Chrome extension

    • 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 NtSetInformationThreadHideFromDebugger

    • 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

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks