Overview

overview

10

Static

static

3

17205c4318...90.exe

windows7-x64

10

17205c4318...90.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2023 13:58

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General

  • Target

    17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe

  • Size

    636KB

  • MD5

    267d5c3137d313ce1a86c2f255a835e6

  • SHA1

    c7a37c0edeffd23777cca44f9b49076be1bd43e6

  • SHA256

    17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90

  • SHA512

    9c119a9f973dae77f2cdd6a855ae45c20660aadc5c592f6d06f6360dd0bb5a380d0ed1fcc23c0cb721da70bcca7d32db46181be675bf0587276d35d6da26a31e

  • SSDEEP

    12288:aEky5bwpy02iRaeXCP2CIcdoKAXMr+Mr+kJZ4:j02iRaeHPcdo18rTrf6

Score
10/10
blackbastaransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\readme.txt

Family

blackbasta

Ransom Note
All of your files are currently encrypted by no_name_software. These files cannot be recovered by any means without contacting our team directly. DON'T TRY TO RECOVER your data by yourselves. Any attempt to recover your data (including the usage of the additional recovery software) can damage your files. However, if you want to try - we recommend choosing the data of the lowest value. DON'T TRY TO IGNORE us. We've downloaded a pack of your internal data and are ready to publish it on our news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. DON'T TRY TO CONTACT feds or any recovery companies. We have our informants in these structures, so any of your complaints will be immediately directed to us. So if you will hire any recovery company for negotiations or send requests to the police/FBI/investigators, we will consider this as a hostile intent and initiate the publication of whole compromised data immediately. DON'T move or rename your files. These parameters can be used for encryption/decryption process. To prove that we REALLY CAN get your data back - we offer you to decrypt two random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/ Your company id for log in: c98fa42b-3233-45df-bd7c-42529c44cb70 Your company key: 3 of any of your dc through comma. Example: "DC1, DC2, DC3". You can type less if you have no enough YOU SHOULD BE AWARE! We will speak only with an authorized person. It can be the CEO, top management, etc. In case you are not such a person - DON'T CONTACT US! Your decisions and action can result in serious harm to your company! Inform your supervisors and stay calm!
URLs

https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/

Signatures

  • Black Basta

    A ransomware family targeting Windows and Linux ESXi first seen in February 2022.

    ransomwareblackbasta
  • Renames multiple (2089) files with added filename extension

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

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe
    "C:\Users\Admin\AppData\Local\Temp\17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    PID:2140
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:5088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\readme.txt
    Filesize

    1KB

    MD5

    040ae5c2bdd54884b227cdf4e078ddb9

    SHA1

    9e9664a02b14214082beb31e839180ce9500b40b

    SHA256

    5f8d967a475fb1170cbdfe5173af63c1d19a0751f823cf4a3de594bcab3f517a

    SHA512

    fee91e14b5a87099804a8ff41706e97b5861c55eca45cda87c14a9e057710dc0d41b677295dc363a6a2337688bd4ceb6ddc176ff10d75c100c1450dd36e1e41f

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