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General

  • Target

    0ffe85bfcb15645f77e64619de8a33557d9944c1f8544ee02ae8be0d62d75d1f

  • Size

    715KB

  • Sample

    230303-t811faae25

  • MD5

    a865e14a0f7113a556b576eb4dd8323d

  • SHA1

    0668b9b280c555a95707155a974b419f80849d95

  • SHA256

    0ffe85bfcb15645f77e64619de8a33557d9944c1f8544ee02ae8be0d62d75d1f

  • SHA512

    b5e6839eed1bdd8457196e40c9a1a37a26f4c6fef1c4deb00a6d7503e8ece56b85d4cbb2e58752f2416ef8f8693e99f78b7813c0b24aa8aa3d92e6a4f8a4e87c

  • SSDEEP

    12288:dYmHDK3Iiow8t/g7CogdHJcL/w+e+XehAaDI2D8f57ew+4HttcHcxLGTFaCj:OmH8owc5dcF/XehAOIjx7epuUcde8

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gosw

  • offline_id

    zMrgM3QgNJsLARd9vs9a31qnKMjRqxjLT6s9OQt1

  • payload_url

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

    http://zexeq.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-rayImYlyWe 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: 0655Usjf

rsa_pubkey.plain

Targets

    • Target

      0ffe85bfcb15645f77e64619de8a33557d9944c1f8544ee02ae8be0d62d75d1f

    • Size

      715KB

    • MD5

      a865e14a0f7113a556b576eb4dd8323d

    • SHA1

      0668b9b280c555a95707155a974b419f80849d95

    • SHA256

      0ffe85bfcb15645f77e64619de8a33557d9944c1f8544ee02ae8be0d62d75d1f

    • SHA512

      b5e6839eed1bdd8457196e40c9a1a37a26f4c6fef1c4deb00a6d7503e8ece56b85d4cbb2e58752f2416ef8f8693e99f78b7813c0b24aa8aa3d92e6a4f8a4e87c

    • SSDEEP

      12288:dYmHDK3Iiow8t/g7CogdHJcL/w+e+XehAaDI2D8f57ew+4HttcHcxLGTFaCj:OmH8owc5dcF/XehAOIjx7epuUcde8

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 v6

Tasks