Overview

overview

10

task1

 

10

task2

 

10

Resubmissions

13-11-2019 07:33

191113-s6xvalyd5a 0

12-11-2019 15:34

191112-9te2mt6rbs 0

04-11-2019 16:22

191104-pvpshym7va 0

Analysis

  • max time kernel
    148s
  • max time network
    123s
  • resource
    win7v191014

Sharing

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General

  • Target

    test.zip

  • Sample

    191104-pvpshym7va

  • SHA256

    72b228f51cf5a1b7600f0e0848145e4e54e54838977a5a5b1c85f69b64b92cf5

Score
N/A

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Signatures

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Drops Office document 26 IoCs
    dropperexploitermaldoc
  • Drops startup file 6 IoCs
  • Deletes shadow copies 2 TTPs 2 IoCs
    ransomware
  • Loads dropped DLL 5 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • wannacry family
    familywannacry
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Executes dropped EXE 16 IoCs
  • Wannacry file encrypt 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Uses Volume Shadow Copy Service COM API 18 IoCs
    ransomware
  • Modifies registry key 1 TTPs 1 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Drops Office document
    • Drops startup file
    • Loads dropped DLL
    • Sets desktop wallpaper using registry
    • Wannacry file encrypt
    • Suspicious use of WriteProcessMemory
    PID:1304
  • C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    1⤵
    • Views/modifies file attributes
    PID:2036
  • C:\Windows\system32\conhost.exe
    \??\C:\Windows\system32\conhost.exe "-115038910015188956801145298583-1479397551652332624-1907009593-191511810289101129"
    1⤵
      PID:1108
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      1⤵
      • Modifies file permissions
      PID:1096
    • C:\Windows\system32\conhost.exe
      \??\C:\Windows\system32\conhost.exe "-1503606354-1328961248-1799969095-1440278469335985464225133632-968814611-494505845"
      1⤵
        PID:1248
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        1⤵
        • Executes dropped EXE
        PID:1984
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c 150411572888188.bat
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1964
      • C:\Windows\system32\conhost.exe
        \??\C:\Windows\system32\conhost.exe "-1460936501-1624471481-18514003891831949252-88739017-1042894813-1805403345973570257"
        1⤵
          PID:1236
        • C:\Windows\SysWOW64\cscript.exe
          cscript.exe //nologo m.vbs
          1⤵
          • Loads dropped DLL
          PID:1108
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected] co
          1⤵
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1404
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c start /b @[email protected] vs
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2016
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "145057907017855359601991710479519299250-701119678-375623424-1011126018-271459683"
          1⤵
            PID:1916
          • C:\Users\Admin\AppData\Local\Temp\@[email protected]
            @[email protected] vs
            1⤵
            • Suspicious use of SetWindowsHookEx
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:1092
          • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
            TaskData\Tor\taskhsvc.exe
            1⤵
            • Loads dropped DLL
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:612
          • C:\Windows\system32\conhost.exe
            \??\C:\Windows\system32\conhost.exe "-198005571219478652-14241811188247391-965170452-2060096372-991020182-1828240507"
            1⤵
              PID:880
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
              1⤵
              • Suspicious use of WriteProcessMemory
              PID:1116
            • C:\Windows\system32\conhost.exe
              \??\C:\Windows\system32\conhost.exe "2073671560-5282589371172192220-33082403-1097180908123252613-383683611-725571740"
              1⤵
                PID:1424
              • C:\Windows\SysWOW64\vssadmin.exe
                vssadmin delete shadows /all /quiet
                1⤵
                • Deletes shadow copies
                • Uses Volume Shadow Copy Service COM API
                PID:1040
              • C:\Windows\system32\vssvc.exe
                C:\Windows\system32\vssvc.exe
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                • Uses Volume Shadow Copy Service COM API
                PID:1180
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic shadowcopy delete
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                • Deletes shadow copies
                PID:1860
              • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
                taskdl.exe
                1⤵
                • Executes dropped EXE
                PID:1120
              • C:\Users\Admin\AppData\Local\Temp\taskse.exe
                taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                • Executes dropped EXE
                PID:2024
              • C:\Users\Admin\AppData\Local\Temp\@[email protected]
                @[email protected]
                1⤵
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of SetWindowsHookEx
                • Sets desktop wallpaper using registry
                • Executes dropped EXE
                PID:1452
              • C:\Windows\SysWOW64\cmd.exe
                cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ftqqepmlkbmm513" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
                1⤵
                • Suspicious use of WriteProcessMemory
                PID:2040
              • C:\Windows\system32\conhost.exe
                \??\C:\Windows\system32\conhost.exe "102711263126397308791628991118843825-1897584038213223323-283780711009128675"
                1⤵
                  PID:1964
                • C:\Windows\SysWOW64\reg.exe
                  reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "ftqqepmlkbmm513" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
                  1⤵
                  • Modifies registry key
                  • Adds Run entry to start application
                  PID:1344
                • C:\Windows\explorer.exe
                  "C:\Windows\explorer.exe"
                  1⤵
                    PID:832
                  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
                    taskdl.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1860
                  • C:\Users\Admin\AppData\Local\Temp\taskse.exe
                    taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Executes dropped EXE
                    PID:320
                  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
                    taskdl.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1676
                  • C:\Users\Admin\AppData\Local\Temp\taskse.exe
                    taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Executes dropped EXE
                    PID:1724
                  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
                    taskdl.exe
                    1⤵
                    • Executes dropped EXE
                    PID:1724
                  • C:\Users\Admin\AppData\Local\Temp\taskse.exe
                    taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    • Executes dropped EXE
                    PID:1344

                  Network

                  MITRE ATT&CK Enterprise v15

                  MITRE ATT&CK Additional techniques

                  • T1107
                  • T1158
                  • T1060

                  Replay Monitor

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                  Downloads

                  • memory/612-236-0x0000000002F00000-0x0000000002F11000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-237-0x0000000002AF0000-0x0000000002B01000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-402-0x0000000003430000-0x0000000003441000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-403-0x0000000003840000-0x0000000003851000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-404-0x0000000003430000-0x0000000003441000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-68-0x0000000002AF0000-0x0000000002B01000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-235-0x0000000002AF0000-0x0000000002B01000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-70-0x0000000002AF0000-0x0000000002B01000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/612-69-0x0000000002F00000-0x0000000002F11000-memory.dmp

                    Filesize

                    68KB

                    Download

                  • memory/1108-44-0x00000000027A0000-0x00000000027A4000-memory.dmp

                    Filesize

                    16KB

                    Download

                  • memory/1304-2-0x0000000010000000-0x0000000010010000-memory.dmp

                    Filesize

                    64KB

                    Download