Overview

overview

10

Static

static

10

2025-02-18...op.exe

windows7-x64

9

2025-02-18...op.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    92s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18/02/2025, 12:45

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General

  • Target

    2025-02-18_5c0eb83fc20cd39fd9b66310d91c9f8f_makop.exe

  • Size

    49KB

  • MD5

    5c0eb83fc20cd39fd9b66310d91c9f8f

  • SHA1

    8d0a53c54ea13b3bfe5b7e64b443f957b4b1b41a

  • SHA256

    b9d15b25c5b1e16e0264cc2f0569fd3be50b5ebdc2a240eb3d831b46f71629a8

  • SHA512

    6a6607e5e58a9aa678aa3fcc871a40418e6dc00f43f7041d46bfb87c8e64061713c0141ce2a72b8cbd0188c72cdf430b36807145ed27c4c8ac5d231f6dfc25e6

  • SSDEEP

    768:iAxPvTRD1ayCt3LSUS6QCA3KlRDsKeqRO8785F7HyFj6cBCE2fje0YADPHvcVSa5:iqD183dAalnudHyFj6cBSfdYO3cVSag

Score
9/10
defense_evasiondiscoveryexecutionimpactransomware

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (2793) 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
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 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\2025-02-18_5c0eb83fc20cd39fd9b66310d91c9f8f_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-18_5c0eb83fc20cd39fd9b66310d91c9f8f_makop.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2912
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2788
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2316
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2984
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2552
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2424
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2744
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:436

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\+README-WARNING+.txt
          Filesize

          911B

          MD5

          936a0e66a5ca9da192e197c372dacaeb

          SHA1

          6a1125710d40915d7beb8aca11bab150b405885a

          SHA256

          87bf8fb30411583e61de48b65a9017cf323d30b97f0a1edb4d8450794dc2de5f

          SHA512

          d775104663bfd0c971bd04a007d69023c90f3053151744d690ea7c058122a00c07f80ed3f89ec97b6b43d700b58270546352116c252868d94a9b90f705e8ab2b

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