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General

  • Target

    file.exe

  • Size

    211KB

  • Sample

    221101-bds28sffep

  • MD5

    2c9c07cfe865ca8ee0bca55809854711

  • SHA1

    acb28a90bfe6bfe7f9f703fe4087668c5ff84cb2

  • SHA256

    fe766b72dca4eae0eacff52b19784b324362ace8e390b6105c3df577a0a7af8d

  • SHA512

    9c266652d709198505ae6e81162c58ad98ebc51dfb8d8fe5826d2ba81af305ae7de0c3351cbac021de9457dba43283e6a74658064fb61d4243582a92b0d41ffa

  • SSDEEP

    3072:39h0Hg6E8I+/OKNoLOl6V5/5il95P/Fokwqh9VzUVS4/RX62X3x:396LEJ+/9oLOlllFnwqhUF962X3

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bozq

  • 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: 0597Jhyjd

rsa_pubkey.plain

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Targets

    • Target

      file.exe

    • Size

      211KB

    • MD5

      2c9c07cfe865ca8ee0bca55809854711

    • SHA1

      acb28a90bfe6bfe7f9f703fe4087668c5ff84cb2

    • SHA256

      fe766b72dca4eae0eacff52b19784b324362ace8e390b6105c3df577a0a7af8d

    • SHA512

      9c266652d709198505ae6e81162c58ad98ebc51dfb8d8fe5826d2ba81af305ae7de0c3351cbac021de9457dba43283e6a74658064fb61d4243582a92b0d41ffa

    • SSDEEP

      3072:39h0Hg6E8I+/OKNoLOl6V5/5il95P/Fokwqh9VzUVS4/RX62X3x:396LEJ+/9oLOlllFnwqhUF962X3

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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.

    • Uses the VBS compiler for execution

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks