General

  • Target

    file.exe

  • Size

    223KB

  • Sample

    221224-v5e48sde3z

  • MD5

    d3bffde4fa0e12abcbe5ecc10630f9ff

  • SHA1

    f36d4d840fe1cd3edab3148bdc89bfc7dcb243ac

  • SHA256

    6a8c425fa422a441500e498ceae43d25012127266b2f46f82e81739daf02aa29

  • SHA512

    3d0c0cf095dc5a247787670690c1b4ddc7969be0de570bb305eb32d683b9f480c7239cb87308f1ff74c53d38142dd4db3a2626944cbff2149dcf059c73d32c48

  • SSDEEP

    3072:ADDCfQLJAs2V545qIiSsMfvofwwd4pGCVbZ0id34auDCnSCf/ln:1fQLJ/p0IiVM343abbl94aMC7

Malware Config

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

djvu

C2

http://ex3mall.com/lancer/get.php

Attributes
  • extension

    .isza

  • offline_id

    m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1

  • payload_url

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

    http://ex3mall.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-oWam3yYrSr 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: 0622JOsie

rsa_pubkey.plain

Extracted

Family

amadey

Version

3.61

C2

62.204.41.79/U7vfDb3kg/index.php

Targets

    • Target

      file.exe

    • Size

      223KB

    • MD5

      d3bffde4fa0e12abcbe5ecc10630f9ff

    • SHA1

      f36d4d840fe1cd3edab3148bdc89bfc7dcb243ac

    • SHA256

      6a8c425fa422a441500e498ceae43d25012127266b2f46f82e81739daf02aa29

    • SHA512

      3d0c0cf095dc5a247787670690c1b4ddc7969be0de570bb305eb32d683b9f480c7239cb87308f1ff74c53d38142dd4db3a2626944cbff2149dcf059c73d32c48

    • SSDEEP

      3072:ADDCfQLJAs2V545qIiSsMfvofwwd4pGCVbZ0id34auDCnSCf/ln:1fQLJ/p0IiVM343abbl94aMC7

    • 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.

    • Detect Amadey credential stealer module

    • 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 local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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 accounts

    • 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