Overview

overview

10

Static

static

10

d0003c88c3...54.exe

windows7-x64

10

d0003c88c3...54.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    45s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 08:15

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General

  • Target

    d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe

  • Size

    2.3MB

  • MD5

    2fa3c5b2e6a0c465045fe8dd7f55dd9a

  • SHA1

    1e6ea91491804da44db10be25bd1ea36baa0b362

  • SHA256

    d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54

  • SHA512

    12f2aaa7cf2055d0a15470d926690dc558d5b6a1eb7dd9f1e450ddbdd1c5389670aea7c39e800f86840f0a558b86ba023beb82d6ba66557a1882e6491b1865e1

  • SSDEEP

    49152:zwKNchAjMta5q1SRNyYvgkCzS8QpWRjoYS8KXrTBt6z8zQBmL2eC8AE:MKtjMoq0IG8QpWRjZaPEFnem

Score
10/10
snatchransomwarespywarestealerupx

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\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 3 IoCs
  • Snatch Ransomware

    Ransomware family generally distributed through RDP bruteforce attacks.

    ransomwaresnatch
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 10 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • UPX packed file 3 IoCs

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

    upx
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe
    "C:\Users\Admin\AppData\Local\Temp\d0003c88c3a7786f3642ec903ce98f4027badaba69b7c3bb2e90a6e4e9587f54.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\qolydosghgnypukps.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        PID:2024
      • C:\Windows\SysWOW64\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
          PID:1476
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\kydrhkw.bat
        2⤵
          PID:2040
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\xyuefb.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1188
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1632
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\dkiusoldlemhsuvpgea.bat
          2⤵
            PID:1036
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1996

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\qolydosghgnypukps.bat
          Filesize

          43B

          MD5

          55310bb774fff38cca265dbc70ad6705

          SHA1

          cb8d76e9fd38a0b253056e5f204dab5441fe932b

          SHA256

          1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

          SHA512

          40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

          Download Submit

        • C:\Users\Admin\AppData\Local\Temp\xyuefb.bat
          Filesize

          47B

          MD5

          2202e846ba05d7f0bb20adbc5249c359

          SHA1

          4115d2d15614503456aea14db61d71a756cc7b8c

          SHA256

          0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

          SHA512

          cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

          Download Submit

        • memory/1036-64-0x0000000000000000-mapping.dmp

          Download

        • memory/1108-54-0x0000000000000000-mapping.dmp

          Download

        • memory/1188-61-0x0000000000000000-mapping.dmp

          Download

        • memory/1200-58-0x0000000000400000-0x0000000000814000-memory.dmp

          Filesize

          4.1MB

          Download

        • memory/1200-60-0x0000000000400000-0x0000000000814000-memory.dmp

          Filesize

          4.1MB

          Download

        • memory/1200-65-0x0000000000400000-0x0000000000814000-memory.dmp

          Filesize

          4.1MB

          Download

        • memory/1476-57-0x0000000000000000-mapping.dmp

          Download

        • memory/1632-63-0x0000000000000000-mapping.dmp

          Download

        • memory/2024-56-0x0000000000000000-mapping.dmp

          Download

        • memory/2040-59-0x0000000000000000-mapping.dmp

          Download