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General

  • Target

    a3a4fe5c7abf163adc2d136bc57a391987732ebe2934588c7ec9cf0d4c41f4b7

  • Size

    800KB

  • Sample

    230315-y992yshd5s

  • MD5

    8c8d10df62eac5de5708e6180ee2a093

  • SHA1

    fc59c24f120b3acc8795410fc7a8148ff5e1a1d7

  • SHA256

    a3a4fe5c7abf163adc2d136bc57a391987732ebe2934588c7ec9cf0d4c41f4b7

  • SHA512

    33d01d1951c3780e9216ef1507640aeb0d72491a192fac3502940a890e594cafaee10c376bc3ba9dbc24b21103154ea3e9ebbb809064c89d777e632fca745c2a

  • SSDEEP

    24576:mpdz1WAeoJXzr1PlfCRYzbtItbSWEKXb3oP7Li7i:m3g6X9PUwbtsb/pgP+i

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

    http://uaery.top/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-zUVSNg4KRZ 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: 0663Iopd

rsa_pubkey.plain

Extracted

Family

vidar

Version

3

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes
  • profile_id_v2

    d6ef050131e7d5a1d595c51613328971

Targets

    • Target

      a3a4fe5c7abf163adc2d136bc57a391987732ebe2934588c7ec9cf0d4c41f4b7

    • Size

      800KB

    • MD5

      8c8d10df62eac5de5708e6180ee2a093

    • SHA1

      fc59c24f120b3acc8795410fc7a8148ff5e1a1d7

    • SHA256

      a3a4fe5c7abf163adc2d136bc57a391987732ebe2934588c7ec9cf0d4c41f4b7

    • SHA512

      33d01d1951c3780e9216ef1507640aeb0d72491a192fac3502940a890e594cafaee10c376bc3ba9dbc24b21103154ea3e9ebbb809064c89d777e632fca745c2a

    • SSDEEP

      24576:mpdz1WAeoJXzr1PlfCRYzbtItbSWEKXb3oP7Li7i:m3g6X9PUwbtsb/pgP+i

    • 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

    • Checks computer location settings

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

    • 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 Enterprise v6

Tasks