Overview

overview

10

Static

static

7b3eb4e7ca...c3.exe

windows7_x64

10

7b3eb4e7ca...c3.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    7b3eb4e7cad673ac4e9d3894466a15dedd45621d116e0222209b3ab98b6677c3

  • Size

    740KB

  • Sample

    220701-ehbwascgg6

  • MD5

    5aad3088c1ccdb8ce85b137074fa9bd6

  • SHA1

    b964df4fe2ae3ab72e54a8e5e362ea8d15305270

  • SHA256

    7b3eb4e7cad673ac4e9d3894466a15dedd45621d116e0222209b3ab98b6677c3

  • SHA512

    26f8cc1b776ccd43073f72f3cd1466744a4437d851234b950ecd84d3c48595584ccb2ccad2e6f086e652e1d54b4735465b70cbdd659a0ca48ae76008b25eb0b1

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://ring1.ug/As73yhsyU34578hxxx/SDf565g/get.php

Attributes
  • extension

    .meka

  • offline_id

    iToA4bsB4p1U6eP9sYfwett26TIoVaIjXvmekat1

  • payload_url

    http://ring1.ug/files/cost/updatewin1.exe

    http://ring1.ug/files/cost/updatewin2.exe

    http://ring1.ug/files/cost/updatewin.exe

    http://ring1.ug/files/cost/3.exe

    http://ring1.ug/files/cost/4.exe

    http://ring1.ug/files/cost/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-h159DSA7cz 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: salesrestoresoftware@firemail.cc Reserve e-mail address to contact us: salesrestoresoftware@gmail.com Your personal ID: 0178Asd374y5iuhld

rsa_pubkey.plain

Targets

    • Target

      7b3eb4e7cad673ac4e9d3894466a15dedd45621d116e0222209b3ab98b6677c3

    • Size

      740KB

    • MD5

      5aad3088c1ccdb8ce85b137074fa9bd6

    • SHA1

      b964df4fe2ae3ab72e54a8e5e362ea8d15305270

    • SHA256

      7b3eb4e7cad673ac4e9d3894466a15dedd45621d116e0222209b3ab98b6677c3

    • SHA512

      26f8cc1b776ccd43073f72f3cd1466744a4437d851234b950ecd84d3c48595584ccb2ccad2e6f086e652e1d54b4735465b70cbdd659a0ca48ae76008b25eb0b1

    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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks