Overview

overview

10

Static

static

3

sample.exe

windows7-x64

10

sample.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9424738ef06a5a20218a31d750b432a302483e2503490affd5339840ac44f8ad.bin.sample.gz

  • Size

    635KB

  • Sample

    230802-p1a2tseg37

  • MD5

    09ada55f2410a669d4ac891d36724323

  • SHA1

    f1c0f659a06ebf21d8f470811690a13cb8efb069

  • SHA256

    76519fe50878e3a703b5736d9368958bd1305d46d08f60e2eb5380850845c636

  • SHA512

    74dcc6bad8d7d3309edc7c8a7933f6dc23411af50a5e01d1ecac1ecca0d04299c6d14e76388ddb73380047cb40343ba889ee87c45fa5595846a09536e5613c7f

  • SSDEEP

    12288:sFe49ditc5i84YAy7dcfD4yS5E7odwQ/dnW/aEaJp25Bpqa4MxukT8+gsIw:sFe49ditc5i84/y7wRSKdQ/dWSEopvO5

Score
10/10
djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .popn

  • offline_id

    Cr1qw6x3Gr36kVHAZvrjTBFecy9ksVLEfrUGCjt1

  • 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-MDnNtxiPM0 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: 0754JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5

Botnet

183caee054f0a0bfc81780194d9bc7cb

C2

https://t.me/versozaline

https://steamcommunity.com/profiles/76561199532186526
Attributes
  • profile_id_v2

    183caee054f0a0bfc81780194d9bc7cb

  • user_agent

    Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0

Targets

    • Target

      sample

    • Size

      766KB

    • MD5

      1f979bb475335b72a202e3a104d91132

    • SHA1

      fb0f7d0db52c5b472f4cf2fa6e1276cb2d0d3da0

    • SHA256

      9424738ef06a5a20218a31d750b432a302483e2503490affd5339840ac44f8ad

    • SHA512

      5f8c0da981ea1413f8e6faee6afc9d484863c7f3727ea1d3d82aa1206f16c3477a490c3aec8e60b8b4c5305b5b715bebc2151ea3b7fa9ee13da7610675cdf178

    • SSDEEP

      12288:Ijv8LA79qkJcFYia+AuBNchD4+O58RodwWpDfAZkEaJXY5FPIagqx4kT8+4s:Ijv79qkJcFYiajuBwPOunWpDoGEoXP2p

    Score
    10/10
    djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks