Overview

overview

10

Static

static

10

f3c6dac2d2...0f.exe

windows7-x64

10

f3c6dac2d2...0f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 12:24

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General

  • Target

    f3c6dac2d21f7289e2807c0479a76105a5e8ed3a5c7ccbeae6d289e0b6e6880f.exe

  • Size

    3.9MB

  • MD5

    e935daaad632a9539fcddcb2839a4413

  • SHA1

    96f7794f17ce6d4f4bd34242b86035728612cd6d

  • SHA256

    f3c6dac2d21f7289e2807c0479a76105a5e8ed3a5c7ccbeae6d289e0b6e6880f

  • SHA512

    515fe24aa8203c83e58ba59621bc057da2b6f9f5529dd18fc11b5f3001503d10d06ec58d654f1446707113581c4d51d39e4144f47a7ab1a80fe609c89d8bf9c8

  • SSDEEP

    49152:QqfUqBfTafqaa5Xa+Xyqr5LFZBUM2/x102UlJnI7mRkyMDiNZri3r8SZ:QqfHr+qF/C0rBN2Z/yMDiXgr

Score
10/10
ransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT

Ransom Note
Dear Management! We inform you that your network has undergone a penetration test, during which we encrypted your files and downloaded more than 55 GB of your and your customers data, including: Accounting Marketing data Confidentional documents Copy of some mailboxes Databases backups We understand that if this information gets to your clients or to media directly, it will cause reputational and financial damage to your business, which we wouldn't want, therefore, for our part, we guarantee that information about what happened will not get into the media (but we cannot guarantee this if you decide to turn to third-party companies for help or ignore this message). 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 me: [email protected] or [email protected] Additional ways to communicate in tox chat https://tox.chat/ contact our tox id: 5BF6FF6E9633FDCF1441BF271CBE5DAE1B6B027FA5B85A6EE5704E8B7FEC8E50A323CD66F7D2
URLs

https://tox.chat/

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (7784) files with added filename extension

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

    ransomware
  • 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
  • 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\f3c6dac2d21f7289e2807c0479a76105a5e8ed3a5c7ccbeae6d289e0b6e6880f.exe
    "C:\Users\Admin\AppData\Local\Temp\f3c6dac2d21f7289e2807c0479a76105a5e8ed3a5c7ccbeae6d289e0b6e6880f.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\jrsywxdfpfx.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\SysWOW64\sc.exe
        SC QUERY
        3⤵
        • Launches sc.exe
        PID:2764
      • C:\Windows\SysWOW64\findstr.exe
        FINDSTR SERVICE_NAME
        3⤵
          PID:2728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\ddaguikqa.bat
        2⤵
          PID:2960
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\smombcot.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2152
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\gtwygvlxrhpmsgf.bat
          2⤵
            PID:3024
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1944

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT
          Filesize

          1KB

          MD5

          908b081d27e66459f1a358ad68dd4f2e

          SHA1

          83368abadbac8ff7b287d5456d793dda97d6c770

          SHA256

          ebe3caa315fe5d07d991a3aecbc4697e4392800d61917c4e16de6582048682cf

          SHA512

          20e5a4e138d0e234ec366ebe63d6481bf578a9640aa03475b22b2d1cf1c7f94b07db1bad0aeb462729108152f216faee025670d8e57f9ff05d96f8572ae18785

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

          47B

          MD5

          2202e846ba05d7f0bb20adbc5249c359

          SHA1

          4115d2d15614503456aea14db61d71a756cc7b8c

          SHA256

          0965cb8ee38adedd9ba06bdad9220a35890c2df0e4c78d0559cd6da653bf740f

          SHA512

          cd6ce6d89a8e5f75724405bc2694b706819c3c554b042075d5eb47fdb75653235160ac8a85e7425a49d98f25b3886faaaec5599bcf66d20bf6115dc3af4ba9c7

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

          43B

          MD5

          3b854ac9791ad8977b46f8b347eca1de

          SHA1

          6d0eb57be34e059a7275e227928d52400200dc72

          SHA256

          4dd7521f4d8351fed8275553a0fa4713f65872a25011f4853713f6915abbbf09

          SHA512

          24853c988df7274e10119cdbbc8816afaa20da661ac03286f9b47660126be8bf6eef40f40261c79b205308647ef42c87d1d840280fa12f7179b3eefef5e75030

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

          43B

          MD5

          55310bb774fff38cca265dbc70ad6705

          SHA1

          cb8d76e9fd38a0b253056e5f204dab5441fe932b

          SHA256

          1fbdb97893d09d59575c3ef95df3c929fe6b6ddf1b273283e4efadf94cdc802d

          SHA512

          40e5a5e8454ca3eaac36d732550e2c5d869a235e3bbc4d31c4afa038fe4e06f782fa0885e876ad8119be766477fdcc12c1d5d04d53cf6b324e366b5351fc7cd4

          Download Submit