General

  • Target

    4087a9f49961d18225f976034ce307691fef9e7ccea4fdcfbc3db63ff4a231d9

  • Size

    849KB

  • Sample

    211201-echrnadaa7

  • MD5

    db695b8fdc625e064239e0a074d8ab6f

  • SHA1

    c4263d3929d4726c4d3c12b56435e19fea11261d

  • SHA256

    4087a9f49961d18225f976034ce307691fef9e7ccea4fdcfbc3db63ff4a231d9

  • SHA512

    fc7a56dfcbd0e9082049059bcc08cc17058dae5453ac8134fe046abad703b2982844cde6f92d4f01ad37a2d8df9eee7ed94643b38b866a05d04b6744732a635b

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes
  • extension

    .moia

  • offline_id

    K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1

  • payload_url

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

    http://tzgl.org/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-rIyEiK9ekc 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: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0355gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes
  • profile_id

    517

Targets

    • Target

      4087a9f49961d18225f976034ce307691fef9e7ccea4fdcfbc3db63ff4a231d9

    • Size

      849KB

    • MD5

      db695b8fdc625e064239e0a074d8ab6f

    • SHA1

      c4263d3929d4726c4d3c12b56435e19fea11261d

    • SHA256

      4087a9f49961d18225f976034ce307691fef9e7ccea4fdcfbc3db63ff4a231d9

    • SHA512

      fc7a56dfcbd0e9082049059bcc08cc17058dae5453ac8134fe046abad703b2982844cde6f92d4f01ad37a2d8df9eee7ed94643b38b866a05d04b6744732a635b

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar 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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks