Overview

overview

10

Static

static

10

2025-02-05...op.exe

windows7-x64

9

2025-02-05...op.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/02/2025, 03:37

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General

  • Target

    2025-02-05_f3f1c4b0746b99a513876f5c61e2ad47_makop.exe

  • Size

    49KB

  • MD5

    f3f1c4b0746b99a513876f5c61e2ad47

  • SHA1

    e9851fdcdbe37ed4d8fabedd02862e5fe1edea5a

  • SHA256

    4d5368ea6488cedce01f8b2c1ed77e45d37dc2adf1ed0bada3932412bc0732f0

  • SHA512

    b1105d997db5563464610fa29e5cf7769978188a70c137f305cbf12d189c3309cc5b8dcf5c5b3c270859e138533897920a1c6cdd1a20575b7b1a4f37731e4a73

  • SSDEEP

    768:NAxPvARD1ayCt3LSUS6QCA3KlRDsKeqRO8785F7HyFj6cBCE2fje0YADpnsTqFoN:NnD183dAalnudHyFj6cBSfdYOJU5Xo

Score
9/10
defense_evasiondiscoveryexecutionimpactransomwarespywarestealer

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (8316) 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
  • Reads user/profile data of web browsers 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Interacts with shadow copies 3 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 17 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\2025-02-05_f3f1c4b0746b99a513876f5c61e2ad47_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-05_f3f1c4b0746b99a513876f5c61e2ad47_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:2120
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1864
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2744
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2584
    • 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:2196
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2304
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2748
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2776
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2724
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:3024

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          554B

          MD5

          775dc01b377416685ed46e8ee0411082

          SHA1

          6065db8975866b4ba9b43fd90a43c7a7e91d532c

          SHA256

          2cb4692fcee9387dc7cbfe14ee6440dca21edaf0d5a99fb2b62599c4dacd0686

          SHA512

          febcd50fca5a1d64af9dbb37dfe7c31338eee4719a8f5b201cc8f0b1e5ebffb2d3666032af0840a6141f9d78f63030eb216dc7d7d2c6de3617fc11e3e373801b

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