Overview

overview

10

Static

static

10

entry_1_0/...13.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11-02-2022 15:45

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General

  • Target

    entry_1_0/Malware_111113.exe

  • Size

    67KB

  • MD5

    31bb101acf2dac98da60970b19724556

  • SHA1

    2059a0e17ae68b6342f7fd60f9e27286cc4e5410

  • SHA256

    bd0a7378cd96701edafc0a8ddd7b2a9904552be29804750bff47b3e08e23319f

  • SHA512

    7266fa80ff54ad0a7a290f8e5a85b616dc0e4ad68049536907487cb4083ab2464761ea858bc99168816606e9d5407bb74dc2e73eb027228c3da3d23b2a86b012

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\uR7ZOTnZH.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We have downloaded 1TB from your fileserver. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> 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. >> Data leak includes 1. Full emloyeers personal data 2. Network information 3. Schemes of buildings, active project information, architect details and contracts, 4. Finance info >>> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV. >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/7NT6LXKC1XQHW5039BLOV

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 12 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
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\entry_1_0\Malware_111113.exe
    "C:\Users\Admin\AppData\Local\Temp\entry_1_0\Malware_111113.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:1724
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1600
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\uR7ZOTnZH.README.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1304

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1724-115-0x0000000001273000-0x0000000001275000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1724-116-0x0000000001270000-0x0000000001271000-memory.dmp

    Filesize

    4KB

    Download