Overview

overview

10

Static

static

10

v2c.exe

windows7_x64

10

v2c.exe

windows10_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    28-10-2021 09:28

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General

  • Target

    v2c.exe

  • Size

    95KB

  • MD5

    757139e76fae876ae50dd2c3ac11d5d8

  • SHA1

    1c150493014d29c1f8a51e397e527f7d7c1476c7

  • SHA256

    9bae897c19f237c22b6bdc024df27455e739be24bed07ef0d409f2df87eeda58

  • SHA512

    852febe5dc991fa6dc5ff994b2de18548e98a2f53de903a480ed871d9d25413159b167a3c0ff39175bbf7c339604bb1eccc2f9425415ab16089bc56e3e998974

Score
10/10
blackmatterransomware

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 large amount of 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/U6H6RKDF6W3B8XOWL >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/U6H6RKDF6W3B8XOWL

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 3 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
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\v2c.exe
    "C:\Users\Admin\AppData\Local\Temp\v2c.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2012
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2012-54-0x0000000076581000-0x0000000076583000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2012-55-0x0000000000405000-0x0000000000416000-memory.dmp

    Filesize

    68KB

    Download

  • memory/2012-57-0x0000000000416000-0x0000000000417000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2012-56-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB

    Download