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

    841KB

  • Sample

    231210-v51e6sadc5

  • MD5

    89f6a0761eb024c46520a74abb7868a9

  • SHA1

    46f30dd561d328e61261ebe13f86340d0641de68

  • SHA256

    2dcb65f18ee5ff985d4448c2bc01ecff8c1e379d969ef09591789dde8dd1d534

  • SHA512

    61e5074a24deb928796edb7ccc2b57039aa6fbe6b9b8b216faa8e9e8dd549fbb84dae1e0ddbd2f142c92cb60dcb3075fbe05edf51255500647a59dea18a62316

  • SSDEEP

    24576:5RvxJ2drWwS/kpBuOYNT0CpzbyfaQBQ246qgBvk:7vxJ2EwS/kpn6h246Vk

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .hhaz

  • offline_id

    gG3wF8nDWRqLztkHPAxMzpvNVlmLBMgQKmKiCNt1

  • 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-5zKXJl7cwi 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: datarestorehelpyou@airmail.cc Your personal ID: 0835ASdw

rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      841KB

    • MD5

      89f6a0761eb024c46520a74abb7868a9

    • SHA1

      46f30dd561d328e61261ebe13f86340d0641de68

    • SHA256

      2dcb65f18ee5ff985d4448c2bc01ecff8c1e379d969ef09591789dde8dd1d534

    • SHA512

      61e5074a24deb928796edb7ccc2b57039aa6fbe6b9b8b216faa8e9e8dd549fbb84dae1e0ddbd2f142c92cb60dcb3075fbe05edf51255500647a59dea18a62316

    • SSDEEP

      24576:5RvxJ2drWwS/kpBuOYNT0CpzbyfaQBQ246qgBvk:7vxJ2EwS/kpn6h246Vk

    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

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