Analysis

  • max time kernel
    144s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 08:15

General

  • Target

    d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe

  • Size

    2.3MB

  • MD5

    2fa3c5b2e6a0c465045fe8dd7f55dd9a

  • SHA1

    1e6ea91491804da44db10be25bd1ea36baa0b362

  • SHA256

    d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54

  • SHA512

    12f2aaa7cf2055d0a15470d926690dc558d5b6a1eb7dd9f1e450ddbdd1c5389670aea7c39e800f86840f0a558b86ba023beb82d6ba66557a1882e6491b1865e1

  • SSDEEP

    49152:zwKNchAjMta5q1SRNyYvgkCzS8QpWRjoYS8KXrTBt6z8zQBmL2eC8AE:MKtjMoq0IG8QpWRjZaPEFnem

Score
10/10

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Dear Management CMHA We inform you that your network has undergone a penetration test, during which we encrypted your files and downloaded more than 300 GB of your data (most from your PD), including: Accounting Confidential documents Personal data Copy of some mailboxes Important! Do not try to decrypt the files yourself or using third-party utilities. The only program that can decrypt them is our decryptor, which you can request from the contacts below. Any other program will only damage files in such a way that it will be impossible to restore them. You can get all the necessary evidence, discuss with us possible solutions to this problem and request a decryptor by using the contacts below. Please be advised that if we don't receive a response from you within 3 days, we reserve the right to publish files to the public. Contact us: [email protected] or [email protected] Additional ways to communicate in tox chat tox id:83E6E3CFEC0E4C8E7F7B6E01F6E86CF70AE8D4E75A59126A2C52FE9F568B4072CA78EF2B3C97 =========================================================== Customer service TOX ID: 0FF26770BFAEAD95194506E6970CC1C395B04159038D785DE316F05CE6DE67324C6038727A58 Only emergency! Use if support is not responding

Signatures

  • Detecting the common Go functions and variables names used by Snatch ransomware 1 IoCs
  • Snatch Ransomware

    Ransomware family generally distributed through RDP bruteforce attacks.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe
    "C:\Users\Admin\AppData\Local\Temp\d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\aumiontxuxooktyu.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2264
      • C:\Windows\SysWOW64\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        PID:1156
      • C:\Windows\SysWOW64\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
          PID:1708
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\rvbryuxjxppyjkoblnkq.bat
        2⤵
          PID:2468

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\aumiontxuxooktyu.bat

        Filesize

        43B

        MD5

        55310bb774fff38cca265dbc70ad6705

        SHA1

        cb8d76e9fd38a0b253056e5f204dab5441fe932b

        SHA256

        1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

        SHA512

        40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

      • memory/1156-135-0x0000000000000000-mapping.dmp

      • memory/1708-136-0x0000000000000000-mapping.dmp

      • memory/1884-132-0x0000000000400000-0x0000000000814000-memory.dmp

        Filesize

        4.1MB

      • memory/1884-138-0x0000000000400000-0x0000000000814000-memory.dmp

        Filesize

        4.1MB

      • memory/2264-133-0x0000000000000000-mapping.dmp

      • memory/2468-137-0x0000000000000000-mapping.dmp