General

  • Target

    f8265f7417850c75f029ce20561b05776bba3e3354a1cb550d3b3b236c5f3ead

  • Size

    750KB

  • Sample

    240426-emw22ahg73

  • MD5

    8f4a0084bd7a79864f287e798f30874c

  • SHA1

    eabb2cc0af9c347cd9fb2dfdea701524f70d48ff

  • SHA256

    f8265f7417850c75f029ce20561b05776bba3e3354a1cb550d3b3b236c5f3ead

  • SHA512

    78e21c4ff15f1f8e26df5eb34ce0c8d7be1d1c43e90db22ab29cdf2e03a99bd4c281911d71e9927403f923f40cb2cd4971f4bd43e31cbc5764cdf92371b29eb2

  • SSDEEP

    12288:Ghs2p3ADk+aVwsrx9MgcAK9WJNtMXqDLcYPxpG9qxuLe99r:Gm2pyk+O9zQONtMXqD4UpGDLe7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgjs

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      f8265f7417850c75f029ce20561b05776bba3e3354a1cb550d3b3b236c5f3ead

    • Size

      750KB

    • MD5

      8f4a0084bd7a79864f287e798f30874c

    • SHA1

      eabb2cc0af9c347cd9fb2dfdea701524f70d48ff

    • SHA256

      f8265f7417850c75f029ce20561b05776bba3e3354a1cb550d3b3b236c5f3ead

    • SHA512

      78e21c4ff15f1f8e26df5eb34ce0c8d7be1d1c43e90db22ab29cdf2e03a99bd4c281911d71e9927403f923f40cb2cd4971f4bd43e31cbc5764cdf92371b29eb2

    • SSDEEP

      12288:Ghs2p3ADk+aVwsrx9MgcAK9WJNtMXqDLcYPxpG9qxuLe99r:Gm2pyk+O9zQONtMXqD4UpGDLe7

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Adds Run key to start application

    • 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

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks