General

  • Target

    1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9

  • Size

    838KB

  • Sample

    240114-175esseca6

  • MD5

    1f940a42c9441ea89bc4003de7dd477a

  • SHA1

    50d68efbd5390fa9421696fe86a03a893b0b12e4

  • SHA256

    1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9

  • SHA512

    bc393859e58a89701ebdd92bff35d8265ec991ecdc9bcb9db47c246b309b70ae142320092157f74f0ea6b34171034820589d5807a17451a051eeb61d366dad99

  • SSDEEP

    12288:R0+9YhTj9yMkBAONeXiIb/a4jCbKt/uIKfzLkhs34JKywTvcmK:V9YB9GBZNeXj/01zL71TEmK

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • payload_url

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

    http://habrafa.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-FCWSCsjEWS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0844OSkw

rsa_pubkey.plain

Targets

    • Target

      1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9

    • Size

      838KB

    • MD5

      1f940a42c9441ea89bc4003de7dd477a

    • SHA1

      50d68efbd5390fa9421696fe86a03a893b0b12e4

    • SHA256

      1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9

    • SHA512

      bc393859e58a89701ebdd92bff35d8265ec991ecdc9bcb9db47c246b309b70ae142320092157f74f0ea6b34171034820589d5807a17451a051eeb61d366dad99

    • SSDEEP

      12288:R0+9YhTj9yMkBAONeXiIb/a4jCbKt/uIKfzLkhs34JKywTvcmK:V9YB9GBZNeXj/01zL71TEmK

    • Detect Vidar Stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 Enterprise v15

Tasks