General

  • Target

    7fb707b6080c884faf366ba8e885c37e68ada8cd96bbc4897a7df0ab00c17270.exe

  • Size

    829KB

  • Sample

    240725-ewwsma1drh

  • MD5

    ab5052012a4ff9313bfa1d7bfe9dec76

  • SHA1

    a80015c29c9455b897feb8e88e2d086fb99a81d3

  • SHA256

    7fb707b6080c884faf366ba8e885c37e68ada8cd96bbc4897a7df0ab00c17270

  • SHA512

    4641b6ceb335f2c21b67459d0621e3b076e5272584c5d129cdbb8c9ce33db655d8e33c90db61c973ff1eb87d0f9f17f0d18004acd939aecb78b4dc41724a20ad

  • SSDEEP

    12288:4jlKZpqVz+tyrG3SxSGJp0hp/IY/qaW/mQSOqlX+dti+J9uVOuoNZlDqc0Y/I+wJ:moIzwYVxz5Y/R4mQS5uDJcVqTNg+

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .iiof

  • offline_id

    rpx4UUTYZiAR5omq187UvM233jloVHyJUkA8s3t1

  • payload_url

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

    http://fuyt.org/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-hsmBOFHh66 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: 0410Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      7fb707b6080c884faf366ba8e885c37e68ada8cd96bbc4897a7df0ab00c17270.exe

    • Size

      829KB

    • MD5

      ab5052012a4ff9313bfa1d7bfe9dec76

    • SHA1

      a80015c29c9455b897feb8e88e2d086fb99a81d3

    • SHA256

      7fb707b6080c884faf366ba8e885c37e68ada8cd96bbc4897a7df0ab00c17270

    • SHA512

      4641b6ceb335f2c21b67459d0621e3b076e5272584c5d129cdbb8c9ce33db655d8e33c90db61c973ff1eb87d0f9f17f0d18004acd939aecb78b4dc41724a20ad

    • SSDEEP

      12288:4jlKZpqVz+tyrG3SxSGJp0hp/IY/qaW/mQSOqlX+dti+J9uVOuoNZlDqc0Y/I+wJ:moIzwYVxz5Y/R4mQS5uDJcVqTNg+

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • 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