Overview

overview

10

Static

static

10

2024-11-08...op.exe

windows7-x64

9

2024-11-08...op.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 20:22

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General

  • Target

    2024-11-08_605f80f837e82c891c7fe7bbea34f5c8_makop.exe

  • Size

    49KB

  • MD5

    605f80f837e82c891c7fe7bbea34f5c8

  • SHA1

    413661decc73d03c7e1313b96eb4ea0ade199ada

  • SHA256

    1b242153c890019bc4ac43fd4fa3d685bc8e634b98f64587736d7e3b00bad1de

  • SHA512

    2c87c6c5988ea768f3feb256d377327e921815c3be0bd13d41fcb2eb4c097ef8c6a43c6b37decce2053753df1db7c1028320bcc4c6827843664f3cb69d65c215

  • SSDEEP

    1536:YEpD183dAalnudHyFj6cBSfdYO8tNJo2M:ZpD18endsOcBSfaOA

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 (8306) 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\2024-11-08_605f80f837e82c891c7fe7bbea34f5c8_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-08_605f80f837e82c891c7fe7bbea34f5c8_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:2380
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1716
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2876
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2304
    • 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:2500
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2360
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2728
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2864
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2608
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:780

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\+README-WARNING+.txt
          Filesize

          936B

          MD5

          d04c6e0b870c29518bc0884645d8d4c6

          SHA1

          40cc550cdaae4369a85e496b47ec28997e29db8f

          SHA256

          3a5303e73859bef5242a98cd208d63166f013699346a85c9443ca977ec1f838c

          SHA512

          b7708d7371f7265b5b850706a7787d71eaa7dc66bc3ea9897a220e71a83e61ab216f95034993c69465c574bdd2f09a3f670f3e372c7127a835f7247b234eea27

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