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Overview

overview

10

Static

static

10

2024-09-16...op.exe

windows7-x64

10

2024-09-16...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/09/2024, 06:25

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General

  • Target

    2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe

  • Size

    42KB

  • MD5

    2116e2be48afbe7c65e89bd0cebaec8c

  • SHA1

    3658f4fa9128a1f4e2a533083dfdb82f32ce8368

  • SHA256

    3a311679a57eabb27cb3aa62ad10a98403ed1ad705f9c519372099ec715b21bb

  • SHA512

    2f2520a6dcd39adc65fbe6fb112748b437d8aaeb26393ff0a710b47ccc3298c120d0430d43b0a80e8a3059ca8fc96ad5de740fbefd8048980edb74e85417fa4b

  • SSDEEP

    768:rO1oR/wVS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDRCbpkxDFBZZTE9+z+:rcS1FKnDtkuImspCnZZTE9+a

Score
10/10
defense_evasiondiscoveryexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\+README-WARNING+.txt

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted. 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 us. .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 mailboxes: [email protected] or [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

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (8310) 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
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • 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
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 25 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\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe" n2024
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2336
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2476
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2700
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2584
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping 1.1.1.1 -n 5 & fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe" & del /q /f "C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2808
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\2024-09-16_2116e2be48afbe7c65e89bd0cebaec8c_makop.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2440
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1368
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2204
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2824
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2560
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:2876

        Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\+README-WARNING+.txt
          Filesize

          1KB

          MD5

          ccc325cbd35ea09be415157280ed5a33

          SHA1

          a38c7c3aa3de53fd2d325490d6c5126c6339c510

          SHA256

          be930685b899133c3e18fccf1e46bc7fbd73317ba1d9a22f8cfcf7d71c9f22ca

          SHA512

          b6fff4a9d520ac2834f20c0c813fe954c4591beed7f089f51482f37ba7f1207721ec08bbfd41e0fb0d11244998692ed2a23ed204c39ab136b397deae6350ee63

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