Overview

overview

10

Static

static

10

mouse_2.exe

windows10-2004-x64

10

mouse_2.exe

windows11-21h2-x64

10

openme.exe

windows10-2004-x64

10

openme.exe

windows11-21h2-x64

10

senate.dll

windows10-2004-x64

10

senate.dll

windows11-21h2-x64

10

update.exe

windows10-2004-x64

10

update.exe

windows11-21h2-x64

10

wwf[1].exe

windows10-2004-x64

10

wwf[1].exe

windows11-21h2-x64

10

xNet.dll

windows10-2004-x64

1

xNet.dll

windows11-21h2-x64

1

전산 및...��.exe

windows10-2004-x64

10

전산 및...��.exe

windows11-21h2-x64

10

전산 및...�1.exe

windows10-2004-x64

10

전산 및...�1.exe

windows11-21h2-x64

3

Resubmissions

04/11/2026, 19:12

261104-xwzhmatzbs10

29/10/2026, 08:21

261029-j8981aav8y10

29/10/2026, 08:19

261029-j8as5sxze1

29/10/2026, 08:19

261029-j797lsxzez

15/08/2026, 21:19

260815-z592tshg57

12/05/2026, 09:30

260512-lghqsah14t

12/05/2026, 09:29

260512-lf4a4ad17m

11/05/2026, 13:07

260511-qcln4aaw4z

09/05/2026, 21:41

260509-1j69gsdv7w10

09/05/2026, 21:41

260509-1jyx4sdv7s

Analysis

  • max time kernel
    149s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/02/2026, 15:54

Sharing

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General

  • Target
    전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe
  • Size 228KB
  • Sample260207-tcbexaes9d
  • SHA256 aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
credential_accessdefense_evasiondiscoveryexecutionmakopimpactpersistenceransomwarespywarestealer

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 (9841) 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
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • 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
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 4 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:3344
    • 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" n3344
      2⤵
      • System Location Discovery: System Language Discovery
      PID:6000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 6000 -s 652
        3⤵
        • Program crash
        PID:2064
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5656
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3592
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2928
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5560
    • 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" n3344
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 760
        3⤵
        • Program crash
        PID:5048
    • 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" n3344
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2104
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1088
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2072
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1040
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 6000 -ip 6000
      1⤵
        PID:4612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3976 -ip 3976
        1⤵
          PID:5200

        Network

              MITRE ATT&CK Enterprise v16

              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

              2
              T1555

              Credentials from Web Browsers

              1
              T1555.003

              Windows Credential Manager

              1
              T1555.004

              Unsecured Credentials

              1
              T1552

              Credentials In Files

              1
              T1552.001

              Discovery

              Browser Information Discovery

              1
              T1217

              Peripheral Device Discovery

              2
              T1120

              Query Registry

              3
              T1012

              System Information Discovery

              2
              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/2104-19991-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-14573-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-19990-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-6096-0x00000000009C0000-0x0000000000AC0000-memory.dmp
              Download

              memory/3344-6801-0x0000000000870000-0x000000000087B000-memory.dmp
              Download

              memory/3344-636-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp
              Download

              memory/3344-19806-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-2-0x0000000000870000-0x000000000087B000-memory.dmp
              Download

              memory/3344-19867-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3344-19930-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3976-19869-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/3976-19929-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/6000-13275-0x0000000000400000-0x000000000083C000-memory.dmp
              Download

              memory/6000-19807-0x0000000000400000-0x000000000083C000-memory.dmp
              Download