Overview

overview

10

task1

 

10

task2

 

10

Resubmissions

02-12-2019 09:09

191202-3peefk1fgj 10

25-11-2019 09:33

191125-mlb76vzzln 0

13-11-2019 08:52

191113-bdf8dc3pq6 0

13-11-2019 07:11

191113-f1dft78f6s 0

13-11-2019 07:10

191113-591nb65hbx 0

30-10-2019 14:27

191030-9pe7klare6 0

Analysis

  • max time kernel
    148s
  • max time network
    155s
  • resource
    win10v191014

Sharing

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General

  • Target

    test.zip

  • Sample

    191113-f1dft78f6s

  • 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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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

115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Signatures

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • wannacry family
    familywannacry
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion
  • Drops Office document 29 IoCs
    dropperexploitermaldoc
  • Drops file in system dir 5 IoCs
  • Uses Volume Shadow Copy Service COM API 13 IoCs
    ransomware
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Deletes shadow copies 2 TTPs 2 IoCs
    ransomware
  • Modifies registry key 1 TTPs 1 IoCs
  • Executes dropped EXE 12 IoCs
  • Wannacry file encrypt 64 IoCs
  • Drops startup file 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Drops Office document
    • Suspicious use of WriteProcessMemory
    • Sets desktop wallpaper using registry
    • Wannacry file encrypt
    • Drops startup file
    PID:4864
  • C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    1⤵
    • Views/modifies file attributes
    PID:4948
  • C:\Windows\SysWOW64\icacls.exe
    icacls . /grant Everyone:F /T /C /Q
    1⤵
    • Modifies file permissions
    PID:4956
  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
    taskdl.exe
    1⤵
    • Executes dropped EXE
    PID:372
  • C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c 211721573632688.bat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1896
  • C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    1⤵
      PID:4344
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      1⤵
      • Executes dropped EXE
      PID:4284
    • C:\Windows\system32\SppExtComObj.exe
      C:\Windows\system32\SppExtComObj.exe -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3468
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      1⤵
        PID:772
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        1⤵
        • Executes dropped EXE
        PID:2556
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] co
        1⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4520
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start /b @[email protected] vs
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4908
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] vs
        1⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4980
      • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
        TaskData\Tor\taskhsvc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:5056
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s BITS
        1⤵
        • Drops file in system dir
        PID:2584
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
        1⤵
          PID:3944
        • 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:4176
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin delete shadows /all /quiet
          1⤵
          • Uses Volume Shadow Copy Service COM API
          • Deletes shadow copies
          PID:2280
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Uses Volume Shadow Copy Service COM API
          • Suspicious use of AdjustPrivilegeToken
          PID:4092
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic shadowcopy delete
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          • Deletes shadow copies
          PID:2560
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
          1⤵
          • Checks system information in the registry (likely anti-VM)
          PID:772
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:5044
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
            • Windows security modification
            PID:5116
          • 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:4224
          • C:\Users\Admin\AppData\Local\Temp\@[email protected]
            @[email protected]
            1⤵
            • Sets desktop wallpaper using registry
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3604
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "nmsqcsinudawe237" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:3180
          • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
            taskdl.exe
            1⤵
            • Executes dropped EXE
            PID:4320
          • C:\Windows\SysWOW64\reg.exe
            reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "nmsqcsinudawe237" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
            1⤵
            • Adds Run entry to start application
            • Modifies registry key
            PID:3400
          • 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:4832
          • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
            taskdl.exe
            1⤵
            • Executes dropped EXE
            PID:696

          Network

          MITRE ATT&CK Enterprise v15

          MITRE ATT&CK Additional techniques

          • T1089
          • T1060
          • T1158
          • T1107

          Replay Monitor

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          Downloads

          • memory/4864-36-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB

            Download

          • memory/5056-227-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-226-0x0000000003A30000-0x0000000003A31000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-62-0x0000000003A30000-0x0000000003A31000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-64-0x0000000003A30000-0x0000000003A31000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-228-0x0000000003A30000-0x0000000003A31000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-63-0x0000000004230000-0x0000000004231000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-392-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-393-0x00000000047D0000-0x00000000047D1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-395-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-495-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5056-541-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

            Filesize

            4KB

            Download