Overview

overview

10

Static

static

3

bb589190e6...6a.exe

windows7-x64

10

bb589190e6...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bb589190e60005bf977db30262016e7f4c370c93e09b5151217818418bcba46a

  • Size

    1014KB

  • Sample

    240531-f87akagg2s

  • MD5

    2c9450c8c302b5b571da684797d6ef36

  • SHA1

    21847e6c4753db6dc8828ff895cb4abfb17b4c08

  • SHA256

    bb589190e60005bf977db30262016e7f4c370c93e09b5151217818418bcba46a

  • SHA512

    ab7b65d499f40f72f7fc2522f1bb76171f73d700b67662ade467638ef2eefb53d4bb17d4ac5eeabb9f97828d3353aa4c527dd6480748daf7581b669bdb5dc9bd

  • SSDEEP

    24576:qv9mAXKreA2WSusCGQzZJk3jZqI0wAx3IPwZx4VDCi8:qQA6reA2WSnWsqfwAx3Iqx4V2

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test1/get.php

Attributes
  • extension

    .sijr

  • offline_id

    QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://ugll.org/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-6Ti2DxXR3I 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: 0470JIjdm

rsa_pubkey.plain

Targets

    • Target

      bb589190e60005bf977db30262016e7f4c370c93e09b5151217818418bcba46a

    • Size

      1014KB

    • MD5

      2c9450c8c302b5b571da684797d6ef36

    • SHA1

      21847e6c4753db6dc8828ff895cb4abfb17b4c08

    • SHA256

      bb589190e60005bf977db30262016e7f4c370c93e09b5151217818418bcba46a

    • SHA512

      ab7b65d499f40f72f7fc2522f1bb76171f73d700b67662ade467638ef2eefb53d4bb17d4ac5eeabb9f97828d3353aa4c527dd6480748daf7581b669bdb5dc9bd

    • SSDEEP

      24576:qv9mAXKreA2WSusCGQzZJk3jZqI0wAx3IPwZx4VDCi8:qQA6reA2WSnWsqfwAx3Iqx4V2

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Checks computer location settings

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

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks