Overview

overview

10

Static

static

10

8f1b0affff...39.exe

windows7_x64

10

8f1b0affff...39.exe

windows10_x64

10

Analysis

  • max time kernel
    87s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    12-09-2021 05:25

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General

  • Target

    8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.exe

  • Size

    79KB

  • MD5

    de63e92d3c6735c5e31269678d2b9ea9

  • SHA1

    6f430f0efe373e5e4cab9c48bcef14460b7b4796

  • SHA256

    8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539

  • SHA512

    9d33340004965a97e56bfb02adb9bb575acc349021ff306c18f7d3d9792a518ee48ab0e09a1bd82346cb1a4d59e3f9baf66797a4612a2ce304f0b83fe94a6993

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\fViGXl6GW.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> Hello Compagnie Financiere Europeenne De Prises De Participation SA >>> 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 of data. If you do not contact us we will publish all your data will send it to the biggest mass media and your customers. >>> 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/6O5KBMY42CFGLLU7L2MW4 >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/6O5KBMY42CFGLLU7L2MW4

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 29 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.exe
    "C:\Users\Admin\AppData\Local\Temp\8f1b0affffb2f2f58b477515d1ce54f4daa40a761d828041603d5536c2d53539.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4684
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4684-115-0x0000000002F63000-0x0000000002F65000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4684-116-0x0000000002F60000-0x0000000002F61000-memory.dmp

    Filesize

    4KB

    Download