Overview

overview

10

Static

static

10

b2bd3de3e5...bb.exe

windows10-2004-x64

10

cd9ccf8681...f7.exe

windows10-2004-x64

10

cobaltstri...de.exe

windows10-2004-x64

10

default.exe

windows10-2004-x64

10

ec4f09f82d...d3.exe

windows10-2004-x64

10

emotet_exe...04.exe

windows10-2004-x64

10

emotet_exe...23.exe

windows10-2004-x64

10

eupdate.exe

windows10-2004-x64

7

f4f47c67be...3f.exe

windows10-2004-x64

10

fb5d110ced...9c.exe

windows10-2004-x64

6

fee15285c3...35.exe

windows10-2004-x64

10

file(1).exe

windows10-2004-x64

1

file.exe

windows10-2004-x64

7

gjMEi6eG.exe

windows10-2004-x64

10

good.exe

windows10-2004-x64

10

hyundai st...1).exe

windows10-2004-x64

10

hyundai st...10.exe

windows10-2004-x64

10

infected d...er.exe

windows10-2004-x64

10

inps_979.xls

windows10-2004-x64

1

june9.dll

windows10-2004-x64

10

mouse_2.exe

windows10-2004-x64

10

oof.exe

windows10-2004-x64

10

openme.exe

windows10-2004-x64

10

ou55sg33s_1.exe

windows10-2004-x64

10

senate.dll

windows10-2004-x64

10

starticon3.exe

windows10-2004-x64

10

update.exe

windows10-2004-x64

10

vir1.xlsx

windows10-2004-x64

1

wwf[1].exe

windows10-2004-x64

10

xNet.dll

windows10-2004-x64

1

전산 및...��.exe

windows10-2004-x64

10

전산 및...�1.exe

windows10-2004-x64

10

Resubmissions

15/04/2025, 17:34

250415-v5ylksypw9 10

15/04/2025, 06:16

250415-g1p7ras1dw 10

14/04/2025, 08:06

250414-jzpwpstxhx 10

14/04/2025, 07:59

250414-jvg1assky4 10

14/04/2025, 07:22

250414-h7g1dss1h1 10

14/04/2025, 07:16

250414-h3xv2s1nv6 10

11/04/2025, 21:39

250411-1h113szzaz 10

01/04/2025, 21:24

250401-z8184awycs 10

Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 08:06

Sharing

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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
makopcredential_accessdefense_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 (9389) 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
  • 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 11 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:5856
    • 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" n5856
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 652
        3⤵
        • Program crash
        PID:5924
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4388
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:4836
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4900
    • 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" n5856
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2588
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 652
        3⤵
        • Program crash
        PID:4976
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4544
    • 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"
      2⤵
        PID:4684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 564
          3⤵
          • Program crash
          PID:5524
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4572
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4852
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:3736
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:6072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4684 -ip 4684
        1⤵
          PID:5316
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4656 -ip 4656
          1⤵
            PID:3528
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2588 -ip 2588
            1⤵
              PID:5780

            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/2588-19079-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/2588-19014-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/4656-18947-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/4656-18903-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/4684-18902-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-18899-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-8639-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

              Download

            • memory/5856-18460-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/5856-7212-0x00000000009A0000-0x00000000009AB000-memory.dmp

              Filesize

              44KB

              Download

            • memory/5856-6619-0x00000000009C0000-0x0000000000AC0000-memory.dmp

              Filesize

              1024KB

              Download

            • memory/5856-2288-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-18949-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-19012-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download

            • memory/5856-3-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

              Download

            • memory/5856-2-0x00000000009A0000-0x00000000009AB000-memory.dmp

              Filesize

              44KB

              Download

            • memory/5856-19080-0x0000000000400000-0x000000000083C000-memory.dmp

              Filesize

              4.2MB

              Download