Overview

overview

10

Static

static

3

e46ca34c6b...4a.exe

windows7-x64

10

e46ca34c6b...4a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e46ca34c6b53f5af647093039f3e3dc6e49d407a573493cb1d5e811e0564d44a

  • Size

    706KB

  • Sample

    240201-xdzexacdd2

  • MD5

    fc5789a36442ec7dfb8e9edb885ed604

  • SHA1

    63df4b6f2597f2edd2fe04da6904cc22b1407b5c

  • SHA256

    e46ca34c6b53f5af647093039f3e3dc6e49d407a573493cb1d5e811e0564d44a

  • SHA512

    5ef0ce19b93355bc9cb356a3e00cec4ab538b1c077623c9811d451fbaefa23ca938eb40709eda636d217b5f8032d7c0203c8e63830308d06ae4cc9de39d90afa

  • SSDEEP

    12288:/rJB1NlLnzodaofm9DiFrbQbs2CSDygwgmEWvhipuiCs0:jjrlL0dvm9DiBbH2CrWAvhinCs0

Score
10/10
djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdcc

  • offline_id

    LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.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-iVcrVFVRqu Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

C2

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110
Attributes
  • profile_id_v2

    1b9d7ec5a25ab9d78c31777a0016a097

Targets

    • Target

      e46ca34c6b53f5af647093039f3e3dc6e49d407a573493cb1d5e811e0564d44a

    • Size

      706KB

    • MD5

      fc5789a36442ec7dfb8e9edb885ed604

    • SHA1

      63df4b6f2597f2edd2fe04da6904cc22b1407b5c

    • SHA256

      e46ca34c6b53f5af647093039f3e3dc6e49d407a573493cb1d5e811e0564d44a

    • SHA512

      5ef0ce19b93355bc9cb356a3e00cec4ab538b1c077623c9811d451fbaefa23ca938eb40709eda636d217b5f8032d7c0203c8e63830308d06ae4cc9de39d90afa

    • SSDEEP

      12288:/rJB1NlLnzodaofm9DiFrbQbs2CSDygwgmEWvhipuiCs0:jjrlL0dvm9DiBbH2CrWAvhinCs0

    Score
    10/10
    djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • 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

    • steamCommunity

    • 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

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks