Overview

overview

10

Static

static

10

2025-01-27...op.exe

windows7-x64

10

2025-01-27...op.exe

windows10-2004-x64

10

Resubmissions

27-01-2025 18:57

250127-xlytcaslej 10

27-01-2025 18:31

250127-w6e2as1pbn 10

Analysis

  • max time kernel
    118s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2025 18:57

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General

  • Target

    2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe

  • Size

    41KB

  • MD5

    2ef05873f585d356665f0ea0fd8678ff

  • SHA1

    0be8c14efaf9752d48f8bf34ca5d75a40284967b

  • SHA256

    cb4957ca31c15745b25aaf474f66582daf99a9060a54f31aa5557317ea010684

  • SHA512

    785bbb3090af3f82aa0ff501f761f66e3904ffd6707da39667ce87e0478aa5adcd8c8060e0472e460322a55a037850418beeccd0145b1ec9a04b8bc8cd14c908

  • SSDEEP

    768:5xyl5HeOrgHICm1+Gu5NjY2eX7exwr2QB/9QSNTsryu+BFrForD8tMEWV+:585H7wLm14NtSmQeriBc8twV+

Score
10/10
makopcredential_accessdefense_evasiondiscoveryevasionexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\readme-warning.txt

Family

makop

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted and now have the "CARLOS" 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
  • Makop family
    makop
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (8318) 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
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 18 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\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Users\Admin\AppData\Local\Temp\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe" n4064
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3784
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:468
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2692
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1848
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4380
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4352
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:276
    • C:\Users\Admin\AppData\Local\Temp\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-27_2ef05873f585d356665f0ea0fd8678ff_makop.exe" n4064
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4468
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1636
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:560
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1912
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:752
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3100

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Command and Scripting Interpreter

    1
    T1059

    Windows Management Instrumentation

    1
    T1047

    Persistence

    Privilege Escalation

    Defense Evasion

    Direct Volume Access

    1
    T1006

    Indicator Removal

    3
    T1070

    File Deletion

    3
    T1070.004

    Credential Access

    Credentials from Password Stores

    2
    T1555

    Credentials from Web Browsers

    1
    T1555.003

    Windows Credential Manager

    1
    T1555.004

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Browser Information Discovery

    1
    T1217

    Peripheral Device Discovery

    2
    T1120

    Query Registry

    3
    T1012

    System Information Discovery

    3
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Web Service

    1
    T1102

    Exfiltration

    Impact

    Inhibit System Recovery

    4
    T1490

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini
      Filesize

      356B

      MD5

      cb3ff4886d6dc05a0bc05d54b83ca3c7

      SHA1

      f63c2156d9f5696d49162f9ec3a3d604ab16c0fa

      SHA256

      f8ef7a9fbe596d0cb10e06ff96ac15e70c63906542312fa62443898e02d55078

      SHA512

      43d8118990b03f4c246dad05460197097a9ec06a4b98756fb6dd1970401aa244ac574e2fe040318e5725fb0758c3b61d10d6fa4f3b9247b87639f24d8170946d

      Download Submit

    • C:\$Recycle.Bin\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini
      Filesize

      356B

      MD5

      5d5c2c2498ced6a8e9d889f0b9050826

      SHA1

      f0ea16c99a6f3c8f16fed0a404fa9f0d8e7a533d

      SHA256

      ef28572a6dd4e1c89d35f63a94751ef7bdadbbf4355369394d99f22f0c87517d

      SHA512

      df8e580a0d9d68d0f568101a659f5105ef3b00ce8814d49eb0f9f67c49a1da20ecfad4f88721e48fd3ce55aec3bf7f91147f8ad5be5f8a6617316fce7d986514

      Download Submit

    • C:\Users\Admin\Desktop\readme-warning.txt
      Filesize

      1KB

      MD5

      5b847e2c729d9b78c10c5a05a7f00e4d

      SHA1

      753c40fe7f8f18159eb9702660773502e7eb564a

      SHA256

      1647ba80119c23da45a2b01d70c8564a062122b9273f94f130379a4bead68435

      SHA512

      e450eff2150d7cec896a46391d51477c57f8cc22b41a66587d56b6d8b3642ea61cc52f85455521a2d8ced28ef284f20caca129eb01da73cf9bb29d902a9f3de0

      Download Submit