General

  • Target

    b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083

  • Size

    320KB

  • Sample

    221101-mlk75sahb7

  • MD5

    9e775e96fa042f3b834bbc419900ccc7

  • SHA1

    2979669e92f199a0aaddc71e7133891af20ef6d7

  • SHA256

    b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083

  • SHA512

    8f7871271f0da90cfba4a57b2719edfc1ddff5bc240f99ff1f8c5134990db907cfe8d65c1db492f18d1534c0b689164bd5854a2dbd7ab9f6b73e7afec45f7926

  • SSDEEP

    3072:/eLwxS5/J5To7epMVEVIfgkdgiNNGcAdop8fjVggjcGkNIVqIh7:WwxS5ALyugkdginTUopKR7ITsq

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

Extracted

Family

redline

Botnet

slovarik15btc

C2

78.153.144.3:2510

Attributes
  • auth_value

    bfedad55292538ad3edd07ac95ad8952

Extracted

Family

redline

Botnet

Google2

C2

167.235.71.14:20469

Attributes
  • auth_value

    fb274d9691235ba015830da570a13578

Targets

    • Target

      b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083

    • Size

      320KB

    • MD5

      9e775e96fa042f3b834bbc419900ccc7

    • SHA1

      2979669e92f199a0aaddc71e7133891af20ef6d7

    • SHA256

      b538ff30c58e25d64465c1ca85c801e3e2747262380f5aaabf6dad4b91afc083

    • SHA512

      8f7871271f0da90cfba4a57b2719edfc1ddff5bc240f99ff1f8c5134990db907cfe8d65c1db492f18d1534c0b689164bd5854a2dbd7ab9f6b73e7afec45f7926

    • SSDEEP

      3072:/eLwxS5/J5To7epMVEVIfgkdgiNNGcAdop8fjVggjcGkNIVqIh7:WwxS5ALyugkdginTUopKR7ITsq

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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 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.

    • 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