Overview

overview

10

Static

static

10

b4b9fdf30c...e7.exe

windows7_x64

10

b4b9fdf30c...e7.exe

windows10_x64

10

Resubmissions

24-10-2021 15:21

211024-srmaaafdck 10

21-10-2021 13:17

211021-qjbsgaada3 10

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 13:17

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.exe

  • Size

    78KB

  • MD5

    5e2a1323dbf28eac8b3f4df9cb4f2d45

  • SHA1

    af77a09387df4ec967a8314ba0f93da0ef8e57ee

  • SHA256

    b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7

  • SHA512

    c2ba4f7458298129a8d2f1ac50640601d59086048ecc8d3d88985c31edf4014e4f4838308192ab39fb21d71a9b362a38a93edff58b570ec6f5ccfb940d871b94

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\6amPnJyPq.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 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://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/O3KTUJZRE6CB4Q1OBR >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/O3KTUJZRE6CB4Q1OBR

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 18 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 20 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.exe
    "C:\Users\Admin\AppData\Local\Temp\b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.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
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\6amPnJyPq.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:868
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/868-63-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

    Filesize

    8KB

    Download

  • memory/868-64-0x00000000041E0000-0x00000000041E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1680-55-0x00000000754F1000-0x00000000754F3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1680-57-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1680-56-0x0000000000235000-0x0000000000246000-memory.dmp

    Filesize

    68KB

    Download

  • memory/1680-58-0x0000000000246000-0x0000000000247000-memory.dmp

    Filesize

    4KB

    Download