Overview

overview

10

Static

static

7

3df675b080...c4.exe

windows7-x64

10

3df675b080...c4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2024 21:46

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General

  • Target

    3df675b0800e6fc57c81271c440327c4.exe

  • Size

    4.8MB

  • MD5

    3df675b0800e6fc57c81271c440327c4

  • SHA1

    361aaa051121753358ea49bfd05716cdd38fe492

  • SHA256

    c3cc8efd60b85139c9b9f4c62c56ffbafde26c1b22cd7b339a371afde7fc513b

  • SHA512

    321f4b2e5dda2b39268ea057df02f49e96a6ab8461fa9e0ed970202b9a934e816f4885c33534dad35f0301fb1046303a9d2b2207293947997db54e307cc4f06b

  • SSDEEP

    98304:TvIsEnzRvn+AEZ1g6fvGINDfjOFlnBRL9k8gruYEuuuen5qYrvdvJGiB:TAn1vnEc0G6D2lBbur6ueJR

Score
10/10
blackmatterb8726db5d916731db5625cfc30c4f7d9ransomwarevmprotect

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

b8726db5d916731db5625cfc30c4f7d9

Attributes
  • attempt_auth

    false

  • create_mutex

    false

  • encrypt_network_shares

    true

  • exfiltrate

    false

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

F:\jHFUHx9Uc.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> Hello Eisvogel Hubert Bernegger GmbH >>> 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 of data. If you do not contact us we will publish all your data will send it to the biggest mass media and your customers. >>> 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://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/5PBOYRSETHVDBDPTL >>> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://supp24maprinktc7uizgfyqhisx7lkszb6ogh6lwdzpac23w3mh4tvyd.onion/5PBOYRSETHVDBDPTL

Signatures

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • Renames multiple (141) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

    vmprotect
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\3df675b0800e6fc57c81271c440327c4.exe
    "C:\Users\Admin\AppData\Local\Temp\3df675b0800e6fc57c81271c440327c4.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4724
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\jHFUHx9Uc.README.txt
    Filesize

    1KB

    MD5

    e25ee5b580fcb49e00a481b656c2022a

    SHA1

    e5bb6f852b1d454a6afd66e5465fc3b89b0b9516

    SHA256

    1e45f64d3a9e3de8c1e270363349c62d346cbe744e3c31a50bcf65544a894a98

    SHA512

    3be30a96c432b3eb4875da5b4ea4ee799a73b9d787544265da368e77011975b1816bf0f8eb796cd1d716b91ed4f0e937f2fff8da4e9288ed010d5c8e0e44caea

    Download Submit

  • memory/4724-0-0x0000000000400000-0x0000000000BA4000-memory.dmp

    Filesize

    7.6MB

    Download

  • memory/4724-1-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4724-2-0x0000000000400000-0x0000000000BA4000-memory.dmp

    Filesize

    7.6MB

    Download

  • memory/4724-4-0x0000000002950000-0x0000000002960000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4724-5-0x0000000002950000-0x0000000002960000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4724-237-0x0000000000400000-0x0000000000BA4000-memory.dmp

    Filesize

    7.6MB

    Download