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Overview

overview

10

Static

static

10

6a845a5bbf...0a.exe

windows7-x64

10

6a845a5bbf...0a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 17:10

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General

  • Target

    6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a.exe

  • Size

    36KB

  • MD5

    f2ee5fac443bc271ea8dffc4759ad104

  • SHA1

    2e0b54d11a13b114cfd203b1679e251482b67794

  • SHA256

    6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a

  • SHA512

    4528b0eb86ae1e0b116496fa69fe1901a199a20a8524de60d798717bb7e5caaddc59163a06bf5a7e40455f9f6bf6ef6adbe87ddb9d1022cbafa3c1e908fc9834

  • SSDEEP

    768:G9GEnDiAZ6vc4y1xP7jIFpaEuiXLiP6AluDAKCfIQJpxHN:GJnDiAOy1tjVfP6ZArg4pdN

Score
10/10
makoppersistenceransomware

Malware Config

Extracted

Path

C:\odt\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
  • Renames multiple (3322) files with added filename extension

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

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 8 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\6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a.exe
    "C:\Users\Admin\AppData\Local\Temp\6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a.exe
      "C:\Users\Admin\AppData\Local\Temp\6a845a5bbfabda4d9a5153444718b0426c9a2cf7f23f9ee87cae34d2c594400a.exe" n848
      2⤵
        PID:3188
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1144
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2864
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:4760
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4632
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3136
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3180
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2260
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:4596

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\odt\readme-warning.txt
        Filesize

        1KB

        MD5

        f891e6d960fbc7ba84a6373c8ef2c0be

        SHA1

        c53a96c107f4f4b3a9b809e82702353bb4c22fa6

        SHA256

        a0d46f41a438af5cd492cbc413bc6cbed37fbb6d1e28a850896e7d46be459ed6

        SHA512

        cd8282413fc8ac64985fb46c81638c84b57daad5c166a0e7268cf32b7231e03418532334bf0ddef34fb439f49732835c3ade09ef5333640dfdf700572bdac832

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