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Overview

overview

10

Static

static

13b2e211bd...6a.exe

windows7-x64

10

13b2e211bd...6a.exe

windows10-2004-x64

10

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General

  • Target

    13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a

  • Size

    149KB

  • Sample

    221216-tsknhshh2w

  • MD5

    77b276c347598aea212d16a6fbe1b927

  • SHA1

    1aaa5729768a7f732f23052b709a21617573e05f

  • SHA256

    680226e716378602071cf6603e24c9efd53689c799f4c22f578f4442d96d478c

  • SHA512

    fc34ba9e1aed44abead064824cad487b605fe224987bf2136ed7b2ea3eb7dda0fca61c0ebdb1e4a8c4edd77a694a0beb6fa88635c86aed84d7ce3ec3c5d86391

  • SSDEEP

    3072:uEScakcitLb6t5idmtdwzXszRqhqTBGSCY2EXPkmF/0NeZ5W:7akcmKt5iw0jsdGSnfX1F/0NKg

Score
10/10
dcratdjvuraccoonsmokeloaderec7a54fb6492ff3a52d09504b8ecf082backdoorbootkitcollectiondiscoveryinfostealerpersistenceransomwareratspywarestealertrojan

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bttu

  • offline_id

    8p2Go5ZmkbFk0DF2oJ6E8vGEogpBqqaGCWjto1t1

  • payload_url

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

    http://abibiall.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-Q5EougBEbU 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: 0619JOsie

rsa_pubkey.plain

Extracted

Family

raccoon

Botnet

ec7a54fb6492ff3a52d09504b8ecf082

C2

http://88.119.161.188

http://88.119.161.19
rc4.plain

Targets

    • Target

      13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a

    • Size

      227KB

    • MD5

      9135f94621c62d8cfe3fe6744c9f758d

    • SHA1

      ccf0d5ed4dde3a6b8c656c3ae520f28c9d9d2cb9

    • SHA256

      13b2e211bd7fd58f537ee12f24f8b3dd7f35b184ef003a94a356a2bbe1f7c46a

    • SHA512

      22cfa7d470cf8d69deab8e61c200868573dfbba0a9154f5e4ef6d922d7b92ccd1af9cccd970b01412e62f931f38235cabbaa2eedf655c54fcf4fe0c02288cea4

    • SSDEEP

      3072:4q/kyU4gLrQHLnQ4cRTTJ5L3p/zXtOWa6DLQ2mppGT8/AJXufHtWqMPDcfuh:Z/kXLrQHLQNJ5LZbXA6gtLP8qMrc

    Score
    10/10
    smokeloaderbackdoortrojandcratdjvuraccoonec7a54fb6492ff3a52d09504b8ecf082bootkitcollectiondiscoveryinfostealerpersistenceransomwareratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

      stealerraccoon

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • 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

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks