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General

  • Target

    0aa41fbf7e5b2669bec11986f34c671ed8e8ae94ee88a.exe

  • Size

    250KB

  • Sample

    220915-tq6g7sdeh6

  • MD5

    681f1fdc077dfb9ed25d4b4cb620c0f8

  • SHA1

    752fbf31eb7bb84e9a104c922b875e3aa4d6800c

  • SHA256

    0aa41fbf7e5b2669bec11986f34c671ed8e8ae94ee88a7b6e01cd012cdeda76d

  • SHA512

    eeda2324cb986991605797e84036cd29eafa2b45635516e4fc663023510df3a5bf5c9d2eafa62c6e036ded441a72b267e44c561221732e637db5be05fe8f4989

  • SSDEEP

    6144:GFpM16LoEh74/NcBl+l3gkct0FaWniga:GFm16MEh7/Bl+qkBLi

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/lancer/get.php

Attributes
  • extension

    .eebn

  • offline_id

    5IVlpkccZlJz0AZ5atgGWVKe9CGAnXjohDf40mt1

  • payload_url

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

    http://acacaca.org/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-0e5rCKsYCc 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: 0561Jhyjd

rsa_pubkey.plain

Targets

    • Target

      0aa41fbf7e5b2669bec11986f34c671ed8e8ae94ee88a.exe

    • Size

      250KB

    • MD5

      681f1fdc077dfb9ed25d4b4cb620c0f8

    • SHA1

      752fbf31eb7bb84e9a104c922b875e3aa4d6800c

    • SHA256

      0aa41fbf7e5b2669bec11986f34c671ed8e8ae94ee88a7b6e01cd012cdeda76d

    • SHA512

      eeda2324cb986991605797e84036cd29eafa2b45635516e4fc663023510df3a5bf5c9d2eafa62c6e036ded441a72b267e44c561221732e637db5be05fe8f4989

    • SSDEEP

      6144:GFpM16LoEh74/NcBl+l3gkct0FaWniga:GFm16MEh7/Bl+qkBLi

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • 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.

    • Drops startup file

    • 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 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