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
    65s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18/02/2025, 12:34

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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 (2777) 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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:2092
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2764
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2224
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1104
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\+README-WARNING+.txt
      2⤵
        PID:2340
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:428
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1800
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:3028
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1968

          Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            911B

            MD5

            abb71b9a5c4d0f824c7be7b0bdd0b026

            SHA1

            97faeaab7c0415b1962f2076b3398fd38901a9f9

            SHA256

            84503976c6a8bb2266c72a0e155dde24f6bd2c40a55e8d27b4e2eaa938d88acf

            SHA512

            7219f34c609362463ac1b402ddd6e7501b6624d525306eeaa50edc53664f7eec12dc9b7469a620da10464362d06a0867f8624f80f46ddde1ef8b54ba9200788b

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