Overview

overview

10

Static

static

10

b4b9fdf30c...e7.exe

windows11_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
    114s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    24-10-2021 15:21

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General

  • Target

    b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.exe

  • Size

    78KB

  • MD5

    5e2a1323dbf28eac8b3f4df9cb4f2d45

  • SHA1

    af77a09387df4ec967a8314ba0f93da0ef8e57ee

  • SHA256

    b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7

  • SHA512

    c2ba4f7458298129a8d2f1ac50640601d59086048ecc8d3d88985c31edf4014e4f4838308192ab39fb21d71a9b362a38a93edff58b570ec6f5ccfb940d871b94

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\WRLMMTHME.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 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.exe
    "C:\Users\Admin\AppData\Local\Temp\b4b9fdf30c017af1a8a3375218e43073117690a71c3f00ac5f6361993471e5e7.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2684
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3044

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2684-115-0x0000000000E00000-0x0000000000F4A000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/2684-116-0x0000000000E00000-0x0000000000F4A000-memory.dmp

    Filesize

    1.3MB

    Download