Overview

overview

10

Static

static

706f3eec32...le.exe

windows7_x64

10

706f3eec32...le.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20-09-2021 12:45

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General

  • Target

    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.bin.sample.exe

  • Size

    79KB

  • MD5

    62a1b4d4b461f4eaae91c70727f71604

  • SHA1

    1ced9a7e62aa65faa03eb1ad2bc786e9d9b5f6c2

  • SHA256

    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d

  • SHA512

    d14f989f5f54663c3ea63526a000e8db5d172046e37f412ed47cd31eb14db071b515b854bbb3ab3d2f41f936b6962583aaa0b3ef1236aa2506148813f66ad542

Score
10/10
blackmatterransomware

Malware Config

Extracted

Path

C:\1rWCqamCt.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 1000 GB 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. Blog post link: http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/72oJjilhMD/6d067a8741848166fa2ac1e69472280c >>> 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/X3452I2VDTHM30QX >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/72oJjilhMD/6d067a8741848166fa2ac1e69472280c

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/X3452I2VDTHM30QX

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Modifies extensions of user files 19 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\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.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
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\Users\Admin\1rWCqamCt.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1632
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/684-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

    Filesize

    8KB

    Download

  • memory/684-62-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

    Download

  • memory/684-61-0x0000000000815000-0x0000000000826000-memory.dmp

    Filesize

    68KB

    Download

  • memory/684-63-0x0000000000826000-0x0000000000827000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1632-68-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1632-69-0x0000000004160000-0x0000000004161000-memory.dmp

    Filesize

    4KB

    Download