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Overview

overview

10

Static

static

1

03b5ff330c...51.exe

windows7-x64

10

03b5ff330c...51.exe

windows10-2004-x64

10

Resubmissions

21/04/2023, 22:33

230421-2gn6kaad98 10

30/03/2023, 05:43

230330-getytabb28 10

Analysis

  • max time kernel
    141s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2023, 05:43

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General

  • Target

    03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe

  • Size

    220KB

  • MD5

    d338decc4c2d3d093a12740e444286c4

  • SHA1

    0867abf844576d906f05eefc1c32046be5e83b8e

  • SHA256

    03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051

  • SHA512

    1b4a15edf1baf39f47a08cfd792900e8d4a22ff6dbe7f8e61f55b9a30e741d3c1f2b1e845dc9932705da6f80f60bcd540054161cceb39b54a5a4f2f79ebf3dc0

  • SSDEEP

    3072:ES6pzeyKBiVr4BNnBNkhu/mN0dP25KR0bcbnl0jlMJFhP:mpzXK8gfRTdP2/2ltP

Score
10/10
makoppersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\readme-warning.txt

Family

makop

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted and now have the "makop" extension. The file structure was not damaged, we did everything possible so that this could not happen. .2. Q: How to recover files? A: If you wish to decrypt your files you will need to pay in bitcoins. .3. Q: What about guarantees? A: Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, you can send to us any 2 files with SIMPLE extensions(jpg,xls,doc, etc... not databases!) and low sizes(max 1 mb), we will decrypt them and send back to you. That is our guarantee. .4. Q: How to contact with you? A: You can write us to our mailbox: [email protected] .5. Q: How will the decryption process proceed after payment? A: After payment we will send to you our scanner-decoder program and detailed instructions for use. With this program you will be able to decrypt all your encrypted files. .6. Q: If I don�t want to pay bad people like you? A: If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause only we have the private key. In practice - time is much more valuable than money. :::BEWARE::: DON'T try to change encrypted files by yourself! If you will try to use any third party software for restoring your data or antivirus solutions - please make a backup for all encrypted files! Any changes in encrypted files may entail damage of the private key and, as result, the loss all data.

Signatures

  • Makop

    Ransomware family discovered by @VK_Intel in early 2020.

    ransomwaremakop
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • 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\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe
    "C:\Users\Admin\AppData\Local\Temp\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Users\Admin\AppData\Local\Temp\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe
      "C:\Users\Admin\AppData\Local\Temp\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe" n1736
      2⤵
        PID:628
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:992
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:812
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:828
      • C:\Users\Admin\AppData\Local\Temp\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe
        "C:\Users\Admin\AppData\Local\Temp\03b5ff330cca623ed119cd2a77b2a142bc38f2a8a3a6e714793fe20f7b0c4051.exe" n1736
        2⤵
          PID:1552
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:584
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1648
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:1896
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
            PID:1740

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          • C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\readme-warning.txt
            Filesize

            1KB

            MD5

            7d76ee5d10386a95f480fe3056986c1e

            SHA1

            99d43fa2a3fcc2348956fdfd40a10535ee5baa54

            SHA256

            c3f38ef88217a6309fe2c0baaf17fecd651a86a71f2a9716dd54345816a2410b

            SHA512

            af6bfa017b729741d1fd770a0722f67acc8d79d3750088115bd1c04955dc0b9353c4c507b95e293dc213ec7d8333d435a2bb974b3db8bde1de255a90223517ae

            Download Submit

          • memory/628-57-0x0000000000400000-0x00000000032A1000-memory.dmp

            Filesize

            46.6MB

            Download

          • memory/1552-17680-0x0000000000400000-0x00000000032A1000-memory.dmp

            Filesize

            46.6MB

            Download

          • memory/1736-55-0x0000000000020000-0x000000000002B000-memory.dmp

            Filesize

            44KB

            Download

          • memory/1736-278-0x0000000000400000-0x00000000032A1000-memory.dmp

            Filesize

            46.6MB

            Download

          • memory/1736-2527-0x0000000000400000-0x00000000032A1000-memory.dmp

            Filesize

            46.6MB

            Download

          • memory/1736-17675-0x0000000000400000-0x00000000032A1000-memory.dmp

            Filesize

            46.6MB

            Download