Overview

overview

10

Static

static

3

a868844a92...JC.exe

windows7-x64

10

a868844a92...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa_JC.exe

  • Size

    742KB

  • Sample

    231011-g4z65agh36

  • MD5

    bec80e84ddee518c179648ad2dcf986c

  • SHA1

    71e984015c39cc6bb1cbfb221e961c04640e84a2

  • SHA256

    a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa

  • SHA512

    006f11a4a169f46fca6cd03540bf00f4c8d26317353fe6baee5109b9b0e55c4e6466e4645c509c9f455dc194d997544d8e524f515d72f90d4254587b5a70752d

  • SSDEEP

    12288:xcNFo7E3CfWIP/H3Op3aT6on/P2WYRLrKE6PCzMjrITexEea3EkgFp27SkZ/JaW:xcNFo7lc+Pmrnz2eeOeaXpbZ/gW

Score
10/10
djvuvidard37c48c18c73cc0e155c7e1dfde06db9discoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mzre

  • 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: 0795JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

6

Botnet

d37c48c18c73cc0e155c7e1dfde06db9

C2

https://steamcommunity.com/profiles/76561199560322242

https://t.me/cahalgo
Attributes
  • profile_id_v2

    d37c48c18c73cc0e155c7e1dfde06db9

  • user_agent

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

Targets

    • Target

      a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa_JC.exe

    • Size

      742KB

    • MD5

      bec80e84ddee518c179648ad2dcf986c

    • SHA1

      71e984015c39cc6bb1cbfb221e961c04640e84a2

    • SHA256

      a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa

    • SHA512

      006f11a4a169f46fca6cd03540bf00f4c8d26317353fe6baee5109b9b0e55c4e6466e4645c509c9f455dc194d997544d8e524f515d72f90d4254587b5a70752d

    • SSDEEP

      12288:xcNFo7E3CfWIP/H3Op3aT6on/P2WYRLrKE6PCzMjrITexEea3EkgFp27SkZ/JaW:xcNFo7lc+Pmrnz2eeOeaXpbZ/gW

    Score
    10/10
    djvuvidard37c48c18c73cc0e155c7e1dfde06db9discoverypersistenceransomwarespywarestealer

    • 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

    • Checks computer location settings

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

    • 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

    • 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