Overview

overview

10

Static

static

2aad85dbd4...le.exe

windows7_x64

10

2aad85dbd4...le.exe

windows10_x64

10

Analysis

  • max time kernel
    119s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    19-10-2021 13:57

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General

  • Target

    2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.bin.sample.exe

  • Size

    80KB

  • MD5

    5c66cd4f21254f83663819138e634dd9

  • SHA1

    6626cae85970e6490b8b0bf9da9aa4b57a79bb62

  • SHA256

    2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c

  • SHA512

    093e1fb491d73ee240f1b0084bda233ef272618b56e61ed8602a57dec7b241b3f80a4a1749ff46d141399e71dd6127c9a8893c9d8d24c6aa48b0479a7ab42a2a

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\chkvc3MvG.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What data stolen? From your network was stolen sensitive data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2 >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/EWX33VYY3IGOXSG5ZZ2

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • suricata: ET MALWARE BlackMatter CnC Activity

    suricata: ET MALWARE BlackMatter CnC Activity

    suricata
  • Modifies extensions of user files 15 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\2aad85dbd4c79bd21c6218892552d5c9fb216293a251559ba59d45d56a01437c.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1228
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1228-53-0x0000000074F81000-0x0000000074F83000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1228-55-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1228-54-0x0000000000285000-0x0000000000296000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1228-56-0x0000000000296000-0x0000000000297000-memory.dmp

    Filesize

    4KB

    Download