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Overview

overview

10

Static

static

10

ec4f09f82d...d3.exe

windows10-2004-x64

10

efd97b1038...ea4.js

windows10-2004-x64

3

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

jar.jar

windows10-2004-x64

10

june9.dll

windows10-2004-x64

10

mouse_2.exe

windows10-2004-x64

10

oof.exe

windows10-2004-x64

3

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

str.dll

windows10-2004-x64

10

svchost.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

01/03/2025, 18:58

250301-xmhhrayp15 10

01/03/2025, 18:55

250301-xkqrcaypx7 10

Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2024, 19:31

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 (8081) 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 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 8 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:3504
    • 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" n3504
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 752
        3⤵
        • Program crash
        PID:5112
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3744
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2372
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:3512
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:952
    • 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" n3504
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 768
        3⤵
        • Program crash
        PID:2464
    • 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" n3504
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 772
        3⤵
        • Program crash
        PID:3784
    • 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" n3504
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 652
        3⤵
        • Program crash
        PID:4068
    • 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" n3504
      2⤵
        PID:1812
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5004
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2192
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:3624
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4484 -ip 4484
        1⤵
          PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4348 -ip 4348
          1⤵
            PID:4904
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3324 -ip 3324
            1⤵
              PID:1072
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4388 -ip 4388
              1⤵
                PID:4872

              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

              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/3324-16418-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3324-16423-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-7181-0x0000000002440000-0x000000000244B000-memory.dmp

                Filesize

                44KB

                Download

              • memory/3504-1-0x0000000000850000-0x0000000000950000-memory.dmp

                Filesize

                1024KB

                Download

              • memory/3504-6413-0x0000000000850000-0x0000000000950000-memory.dmp

                Filesize

                1024KB

                Download

              • memory/3504-3-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

                Download

              • memory/3504-8604-0x0000000000400000-0x000000000041F000-memory.dmp

                Filesize

                124KB

                Download

              • memory/3504-16492-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-13624-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-16279-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-2-0x0000000002440000-0x000000000244B000-memory.dmp

                Filesize

                44KB

                Download

              • memory/3504-16333-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-4798-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/3504-16416-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4348-16339-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4348-16334-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4388-16494-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4388-16498-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4484-16281-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download

              • memory/4484-9621-0x0000000000400000-0x000000000083C000-memory.dmp

                Filesize

                4.2MB

                Download