Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    749KB

  • Sample

    231115-w5175see8v

  • MD5

    ad1f4ef175202d30916a890305ca230b

  • SHA1

    b9382557bb2eb93cde8ff52ece9ee1e58372ef99

  • SHA256

    ca45f40c10f30d2c60b2ab67afffc295763d61c890f92b4bc71885d96ac56e18

  • SHA512

    9c2da2f37dabf3a29172a31f742b6d068b7c5e54e00c43aa00f5a6d6a0db23f4cf7edce71717126029a048dbd539132910917b61d06585bc4207bd09b4330bd3

  • SSDEEP

    12288:F9IGRHPCWz+KoCAObHpto+VQUN4TYc0Q70xocaSyE8pnMsnW7EQdHZJCtIv/:RyCAqbPQUN4sEsaS6VMs+57JCt

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .eqza

  • offline_id

    MI4io8cIlhyYsGaDxoKsbpWzfIe5lGPE0dYtrht1

  • payload_url
  • 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-Y6UIMfI736 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: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0825eQesA

rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      749KB

    • MD5

      ad1f4ef175202d30916a890305ca230b

    • SHA1

      b9382557bb2eb93cde8ff52ece9ee1e58372ef99

    • SHA256

      ca45f40c10f30d2c60b2ab67afffc295763d61c890f92b4bc71885d96ac56e18

    • SHA512

      9c2da2f37dabf3a29172a31f742b6d068b7c5e54e00c43aa00f5a6d6a0db23f4cf7edce71717126029a048dbd539132910917b61d06585bc4207bd09b4330bd3

    • SSDEEP

      12288:F9IGRHPCWz+KoCAObHpto+VQUN4TYc0Q70xocaSyE8pnMsnW7EQdHZJCtIv/:RyCAqbPQUN4sEsaS6VMs+57JCt

    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