Overview

overview

10

Static

static

10

072158f558...86.exe

windows7_x64

10

072158f558...86.exe

windows10_x64

10

20742987e6...41.exe

windows7_x64

10

20742987e6...41.exe

windows10_x64

10

22d7d67c3a...d6.exe

windows7_x64

10

22d7d67c3a...d6.exe

windows10_x64

10

2c323453e9...09.exe

windows7_x64

10

2c323453e9...09.exe

windows10_x64

10

2e50eb85f6...b2.exe

windows7_x64

10

2e50eb85f6...b2.exe

windows10_x64

10

4be85e2083...2b.exe

windows7_x64

10

4be85e2083...2b.exe

windows10_x64

10

5da8d2e1b3...fa.exe

windows7_x64

10

5da8d2e1b3...fa.exe

windows10_x64

10

668a4a2300...e6.exe

windows7_x64

10

668a4a2300...e6.exe

windows10_x64

10

6d4712df42...db.exe

windows7_x64

5

6d4712df42...db.exe

windows10_x64

10

706f3eec32...9d.exe

windows7_x64

10

706f3eec32...9d.exe

windows10_x64

10

7f6dd0ca03...84.exe

windows7_x64

10

7f6dd0ca03...84.exe

windows10_x64

10

9cf9441554...6a.exe

windows7_x64

10

9cf9441554...6a.exe

windows10_x64

10

b0e929e35c...6a.exe

windows7_x64

10

b0e929e35c...6a.exe

windows10_x64

10

c6e2ef30a8...99.exe

windows7_x64

10

c6e2ef30a8...99.exe

windows10_x64

10

e4a2260bcb...2d.exe

windows7_x64

10

e4a2260bcb...2d.exe

windows10_x64

10

eaac447d6a...4b.exe

windows7_x64

10

eaac447d6a...4b.exe

windows10_x64

10

Analysis

  • max time kernel
    157s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    23-11-2021 10:31

Sharing

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Report Analysis Logs

General

  • Target

    5da8d2e1b36be0d661d276ea6523760dbe3fa4f3fdb7e32b144812ce50c483fa.exe

  • Size

    78KB

  • MD5

    38035325b785329e3f618b2a0b90eb75

  • SHA1

    33294a6c609b6ced2acef3964d7ec34dc0101a9a

  • SHA256

    5da8d2e1b36be0d661d276ea6523760dbe3fa4f3fdb7e32b144812ce50c483fa

  • SHA512

    675a0defdfa3de5f54ece0297d955372480f25e8b9f27fa700d5cdc2c6ecedadc7b68cac2f8e2e452bdbab6a958593f45d3eab14d6e7bbfee472383879bd7b17

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\gawreXkrr.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
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    suricata
  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    suricata
  • Modifies extensions of user files 25 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\5da8d2e1b36be0d661d276ea6523760dbe3fa4f3fdb7e32b144812ce50c483fa.exe
    "C:\Users\Admin\AppData\Local\Temp\5da8d2e1b36be0d661d276ea6523760dbe3fa4f3fdb7e32b144812ce50c483fa.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:556
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\gawreXkrr.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1392
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/556-55-0x0000000075491000-0x0000000075493000-memory.dmp

    Filesize

    8KB

    Download

  • memory/556-56-0x0000000002035000-0x0000000002046000-memory.dmp

    Filesize

    68KB

    Download

  • memory/556-57-0x0000000002030000-0x0000000002031000-memory.dmp

    Filesize

    4KB

    Download

  • memory/556-58-0x0000000002046000-0x0000000002047000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1392-63-0x000007FEFB961000-0x000007FEFB963000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1392-64-0x00000000042E0000-0x00000000042E1000-memory.dmp

    Filesize

    4KB

    Download