General

  • Target

    392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01

  • Size

    999KB

  • Sample

    240531-e72s1sgc55

  • MD5

    1e9cf3eb2c0ce99704de015db310864a

  • SHA1

    da56e5fc60bd6d5291efb889fc7688c55b59240b

  • SHA256

    392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01

  • SHA512

    bb762108a2c08d0d9efb43768f49428392a27494b711f523e0a578ad20286dbec4b1ec56248370310a3975c1e9eadf8467e3fb29adf6cf85b9b291db64250390

  • SSDEEP

    24576:1z7grG22hFJZ6Zytm/V4oSpU5SbBRFdR8DlRmHrQ6:JcGjZ6ZR/V9/SbBRbysHc6

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bowd

  • offline_id

    oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1

  • payload_url

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

    http://fresherlights.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-dyi5UcwIT9 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: 0594Jhyjd

rsa_pubkey.plain

Targets

    • Target

      392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01

    • Size

      999KB

    • MD5

      1e9cf3eb2c0ce99704de015db310864a

    • SHA1

      da56e5fc60bd6d5291efb889fc7688c55b59240b

    • SHA256

      392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01

    • SHA512

      bb762108a2c08d0d9efb43768f49428392a27494b711f523e0a578ad20286dbec4b1ec56248370310a3975c1e9eadf8467e3fb29adf6cf85b9b291db64250390

    • SSDEEP

      24576:1z7grG22hFJZ6Zytm/V4oSpU5SbBRFdR8DlRmHrQ6:JcGjZ6ZR/V9/SbBRbysHc6

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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

System Information Discovery

1
T1082

Tasks