Overview

overview

10

Static

static

3

2f82de6e51...b3.exe

windows7-x64

10

2f82de6e51...b3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2f82de6e51943d5f8e7f4ea209bbe01f6d89afe8ec870431aa77b600d21a30b3

  • Size

    941KB

  • Sample

    240530-r3rtgaca2s

  • MD5

    7690b42fbbec7b6262aeb2ab5d91072a

  • SHA1

    e2e3c9814d48a230cede32e1ee6ef105957ca01d

  • SHA256

    2f82de6e51943d5f8e7f4ea209bbe01f6d89afe8ec870431aa77b600d21a30b3

  • SHA512

    b5f85d2962728601a09d5de88f3e06f667f6798ca77306b3c0aa46c7e0c37e85c0bc6c87863453c3537be6c6c83c4c6b0c0d6766b677929afbfb703001c1091a

  • SSDEEP

    24576:JjNkb6hlNveo/deb9FinFmt3/feebGI+dLRSMH:BGbolgUcb9O2feVJRS4

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .hhmm

  • offline_id

    dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1

  • payload_url

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

    http://jiqaz.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-UQkYLBSiQ4 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: 0646JOsie

rsa_pubkey.plain

Targets

    • Target

      2f82de6e51943d5f8e7f4ea209bbe01f6d89afe8ec870431aa77b600d21a30b3

    • Size

      941KB

    • MD5

      7690b42fbbec7b6262aeb2ab5d91072a

    • SHA1

      e2e3c9814d48a230cede32e1ee6ef105957ca01d

    • SHA256

      2f82de6e51943d5f8e7f4ea209bbe01f6d89afe8ec870431aa77b600d21a30b3

    • SHA512

      b5f85d2962728601a09d5de88f3e06f667f6798ca77306b3c0aa46c7e0c37e85c0bc6c87863453c3537be6c6c83c4c6b0c0d6766b677929afbfb703001c1091a

    • SSDEEP

      24576:JjNkb6hlNveo/deb9FinFmt3/feebGI+dLRSMH:BGbolgUcb9O2feVJRS4

    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