General

  • Target

    b2e9b794df59ddb6e6a51e6b92fa51b8664e54b671102d7c4f5d67663676b2c5

  • Size

    762KB

  • Sample

    240424-x5zvrafh31

  • MD5

    01cbd1366ad67deaafa4d7bff8bf68a8

  • SHA1

    835bd73f6f542b578b2b30f180e2b87786f5e486

  • SHA256

    b2e9b794df59ddb6e6a51e6b92fa51b8664e54b671102d7c4f5d67663676b2c5

  • SHA512

    aae1fbd82f9296ffedea221abe70180e1d110f678d5032946eb3e136f8ca7c20ade709167e7f66463ec3fbdd2f51b519118f6fff14514929e6188abeb485ee48

  • SSDEEP

    12288:utKKJE3644gkNttcKxALgRhITVEJp7azfMgu0Ne54AeN7wdELu:WJO4TGPAhNHGjMKoyFOELu

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgzq

  • 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: 0864PsawqS

rsa_pubkey.plain

Targets

    • Target

      b2e9b794df59ddb6e6a51e6b92fa51b8664e54b671102d7c4f5d67663676b2c5

    • Size

      762KB

    • MD5

      01cbd1366ad67deaafa4d7bff8bf68a8

    • SHA1

      835bd73f6f542b578b2b30f180e2b87786f5e486

    • SHA256

      b2e9b794df59ddb6e6a51e6b92fa51b8664e54b671102d7c4f5d67663676b2c5

    • SHA512

      aae1fbd82f9296ffedea221abe70180e1d110f678d5032946eb3e136f8ca7c20ade709167e7f66463ec3fbdd2f51b519118f6fff14514929e6188abeb485ee48

    • SSDEEP

      12288:utKKJE3644gkNttcKxALgRhITVEJp7azfMgu0Ne54AeN7wdELu:WJO4TGPAhNHGjMKoyFOELu

    • 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