Overview

overview

10

Static

static

3

4cd10d8913...a1.exe

windows7-x64

10

4cd10d8913...a1.exe

windows10-2004-x64

10

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General

  • Target

    4cd10d89132a47c8d5baee9575e3d6a4697f03bf11e025cf9c68fd8278064ba1

  • Size

    778KB

  • Sample

    240320-mr16jseg83

  • MD5

    869e3310f76fa68108754036d0ab3b83

  • SHA1

    b68078b3a691928c8b07eeaf983aa54f74bc930b

  • SHA256

    4cd10d89132a47c8d5baee9575e3d6a4697f03bf11e025cf9c68fd8278064ba1

  • SHA512

    dda91d04475686836920d898a5d26b3ac1b35a0c0480c341438b05a81d0bd1f7d14fd35577c035ea91ecba1b5574682990846dc25da05c9b4afac81dcadce829

  • SSDEEP

    12288:mChSqfO9CidS/n3V44QnNhL1C0vtbv6ZziCQkw14505T:VhlaCdbQfL1C0vtbvCwk/05

Score
10/10
targetcompanyzgratdiscoveryevasionpersistenceransomwarerat

Malware Config

Extracted

Path

C:\HOW TO BACK FILES.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: 0E610AD245E364C592743B7B 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: [email protected] Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Extracted

Path

C:\Users\Admin\Contacts\HOW TO BACK FILES.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: B5D54FD7D02379723AA7E821 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: [email protected] Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Targets

    • Target

      4cd10d89132a47c8d5baee9575e3d6a4697f03bf11e025cf9c68fd8278064ba1

    • Size

      778KB

    • MD5

      869e3310f76fa68108754036d0ab3b83

    • SHA1

      b68078b3a691928c8b07eeaf983aa54f74bc930b

    • SHA256

      4cd10d89132a47c8d5baee9575e3d6a4697f03bf11e025cf9c68fd8278064ba1

    • SHA512

      dda91d04475686836920d898a5d26b3ac1b35a0c0480c341438b05a81d0bd1f7d14fd35577c035ea91ecba1b5574682990846dc25da05c9b4afac81dcadce829

    • SSDEEP

      12288:mChSqfO9CidS/n3V44QnNhL1C0vtbv6ZziCQkw14505T:VhlaCdbQfL1C0vtbvCwk/05

    Score
    10/10
    targetcompanyzgratdiscoveryevasionpersistenceransomwarerat

    • Detect ZGRat V1

    • TargetCompany,Mallox

      TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.

      ransomwaretargetcompany

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (7271) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks