Overview

overview

10

Static

static

3

3944f1d535...9d.exe

windows7-x64

10

3944f1d535...9d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3944f1d535ced6b2be74554210ee1ef33a2a2031def81dfd522fd367c06bf29d

  • Size

    973KB

  • Sample

    240530-ppqm5shh64

  • MD5

    b294d6cd51dd00e84692acf53328a7de

  • SHA1

    83a78d7c00addc083fa77fd1c0804f2a8fd6ff1e

  • SHA256

    3944f1d535ced6b2be74554210ee1ef33a2a2031def81dfd522fd367c06bf29d

  • SHA512

    13688621b1b2597bec74726ee2a781d20e7adaa3413493a8bf4cf3afd1932f4b812dd1c4b636c7eacf6c6ce2350d3eded530072b0525e00f6295857382b23384

  • SSDEEP

    24576:fYn2Mu8DzvLjj/tTQIs/kMHJY0krrfEgcjPs2RfCGZoGg/:GO8XjjhTQl8aYtrcgcjPs2obG

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vaze

  • offline_id

    BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1

  • 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-tnzomMj6HU 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: 0714JOsie

rsa_pubkey.plain

Targets

    • Target

      3944f1d535ced6b2be74554210ee1ef33a2a2031def81dfd522fd367c06bf29d

    • Size

      973KB

    • MD5

      b294d6cd51dd00e84692acf53328a7de

    • SHA1

      83a78d7c00addc083fa77fd1c0804f2a8fd6ff1e

    • SHA256

      3944f1d535ced6b2be74554210ee1ef33a2a2031def81dfd522fd367c06bf29d

    • SHA512

      13688621b1b2597bec74726ee2a781d20e7adaa3413493a8bf4cf3afd1932f4b812dd1c4b636c7eacf6c6ce2350d3eded530072b0525e00f6295857382b23384

    • SSDEEP

      24576:fYn2Mu8DzvLjj/tTQIs/kMHJY0krrfEgcjPs2RfCGZoGg/:GO8XjjhTQl8aYtrcgcjPs2obG

    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