Overview

overview

10

Static

static

3

전산 및...�1.exe

windows7-x64

10

전산 및...�1.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2025 02:43

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General

  • Target

    전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe

  • Size

    228KB

  • MD5

    8399865e44e7d6a193f8c8acf547eb31

  • SHA1

    17e3bee5debada69dadec0b748256925a1a8b1ac

  • SHA256

    aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890

  • SHA512

    bf9ceb3a36ca874dceb9ccfec8e7635f5f11f83f04226ceb4e2b4b2548dbcecf2618fe5063bec068b1571867984d0beece6b5f9be0747a13ddb53f9a09aa4d61

  • SSDEEP

    3072:tPTcPP3LvQjfIY9Spek01stm+XIm1EWaVw3ItNVFZUyfUNjhb+P0I1fcj:tPTcPfL43SW1stDXaXw3ItNVTUVjhGy

Score
10/10
makopdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Makop

    Ransomware family discovered by @VK_Intel in early 2020.

    ransomwaremakop
  • Makop family
    makop
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (8335) 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 6 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\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
    "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
      "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe" n2428
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1732
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1744
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2892
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2008
    • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
      "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe" n2428
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1540
    • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
      "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe" n2428
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
      "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe" n2428
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
      "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe" n2428
      2⤵
      • System Location Discovery: System Language Discovery
      PID:836
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1160
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2740
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2648
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1296

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Command and Scripting Interpreter

      1
      T1059

      Windows Management Instrumentation

      1
      T1047

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Direct Volume Access

      1
      T1006

      Indicator Removal

      3
      T1070

      File Deletion

      3
      T1070.004

      Modify Registry

      1
      T1112

      Credential Access

      Credentials from Password Stores

      1
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Peripheral Device Discovery

      1
      T1120

      Query Registry

      2
      T1012

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Web Service

      1
      T1102

      Exfiltration

      Impact

      Inhibit System Recovery

      3
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/836-16887-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/1540-16835-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/1732-5-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/1732-6-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/1732-707-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/2428-3985-0x0000000000250000-0x0000000000350000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2428-6703-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download

      • memory/2428-7726-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/2428-16814-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/2428-1-0x0000000000250000-0x0000000000350000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2428-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

        Filesize

        44KB

        Download

      • memory/2428-3-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

        Download

      • memory/2616-16864-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download

      • memory/2784-16842-0x0000000000400000-0x000000000083C000-memory.dmp

        Filesize

        4.2MB

        Download