General

  • Target

    50a6f0570275eb30db27eee0f78bcb07a48dcfd2ce9a9399b258114dc23c68a1.exe

  • Size

    239KB

  • Sample

    240306-crzydagd7y

  • MD5

    ec67029dba040a8a3f98bda4601089a6

  • SHA1

    f84940be8b8d6e729cf83c6778170bcf2e833926

  • SHA256

    50a6f0570275eb30db27eee0f78bcb07a48dcfd2ce9a9399b258114dc23c68a1

  • SHA512

    547aa205b14a928002660d12ad2a4e7d6dd4b2d78a23e97d769ff4be784fee7b73d4a9e5a34bd630971fdecdc1da58b6672dbc9e33a509c8815cf504f1121927

  • SSDEEP

    3072:SabbbkSEETZKcDDdgkrlG7Ell/1nYldm5+Xz:HxRZZgkBG7Cp1nwX

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wisz

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

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

    http://sajdfue.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/a832401adcd58098c699f768ffea4f1720240305114308/7e601a 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0853PsawqS

rsa_pubkey.plain

Targets

    • Target

      50a6f0570275eb30db27eee0f78bcb07a48dcfd2ce9a9399b258114dc23c68a1.exe

    • Size

      239KB

    • MD5

      ec67029dba040a8a3f98bda4601089a6

    • SHA1

      f84940be8b8d6e729cf83c6778170bcf2e833926

    • SHA256

      50a6f0570275eb30db27eee0f78bcb07a48dcfd2ce9a9399b258114dc23c68a1

    • SHA512

      547aa205b14a928002660d12ad2a4e7d6dd4b2d78a23e97d769ff4be784fee7b73d4a9e5a34bd630971fdecdc1da58b6672dbc9e33a509c8815cf504f1121927

    • SSDEEP

      3072:SabbbkSEETZKcDDdgkrlG7Ell/1nYldm5+Xz:HxRZZgkBG7Cp1nwX

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • 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