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General

  • Target

    620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

  • Size

    747KB

  • Sample

    231001-19fjfsfg22

  • MD5

    63b1d653a88eade90490f278b672caa6

  • SHA1

    1744cf0723c829d9d3daaf37ad137cce48f16998

  • SHA256

    620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

  • SHA512

    7a1bf57adccc417077ce7a41349e3d676e5c1222629ff1dc8a3bd67246179725a248794fe9d915bcb27c89bcb97643f78754626c226b75b3b9a097e0b25965c6

  • SSDEEP

    12288:MEQV82KPEYd5Wr/RLwqbfQpIh/xfsZV6henHYbZod+Iqcss95DUhHz1xO:MEQV8sxr/tzP9RsZV1nHYO5sg4Bz7O

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mzop

  • offline_id

    64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1

  • 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-sxZWJ43EKx 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0796JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.8

Botnet

be957cbbdc7ee5ad3ee6c696b5eb3079

C2

https://steamcommunity.com/profiles/76561199555780195

https://t.me/solonichat

Attributes
  • profile_id_v2

    be957cbbdc7ee5ad3ee6c696b5eb3079

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36

Targets

    • Target

      620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

    • Size

      747KB

    • MD5

      63b1d653a88eade90490f278b672caa6

    • SHA1

      1744cf0723c829d9d3daaf37ad137cce48f16998

    • SHA256

      620ea679eb3e9c96e79bcce7c43135bb1c5704c30f8fc50fa21f974d16cbdd80

    • SHA512

      7a1bf57adccc417077ce7a41349e3d676e5c1222629ff1dc8a3bd67246179725a248794fe9d915bcb27c89bcb97643f78754626c226b75b3b9a097e0b25965c6

    • SSDEEP

      12288:MEQV82KPEYd5Wr/RLwqbfQpIh/xfsZV6henHYbZod+Iqcss95DUhHz1xO:MEQV8sxr/tzP9RsZV1nHYO5sg4Bz7O

    • 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 Enterprise v15

Tasks