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
    149s
  • max time network
    153s
  • resource
    win10v191014

General

  • Target

    test.zip

  • Sample

    191113-591nb65hbx

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    • Wannacry file encrypt
    • Drops Office document
    • Sets desktop wallpaper using registry
    PID:4816
  • C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    1⤵
    • Views/modifies file attributes
    PID:4848
  • C:\Windows\SysWOW64\icacls.exe
    icacls . /grant Everyone:F /T /C /Q
    1⤵
    • Modifies file permissions
    PID:4864
  • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
    taskdl.exe
    1⤵
    • Executes dropped EXE
    PID:5108
  • C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c 267441573632655.bat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1988
  • C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    1⤵
      PID:4292
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      1⤵
      • Executes dropped EXE
      PID:3880
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:3984
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b @[email protected] vs
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4160
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:4788
    • 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:4784
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      1⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • Suspicious use of SetWindowsHookEx
      PID:4756
    • 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:3056
    • 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:708
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      1⤵
      • Executes dropped EXE
      PID:808
    • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
      TaskData\Tor\taskhsvc.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Loads dropped DLL
      PID:4872
    • C:\Windows\system32\SppExtComObj.exe
      C:\Windows\system32\SppExtComObj.exe -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3560
    • 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:872
      • 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:1496
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s BITS
        1⤵
        • Drops file in system dir
        PID:1900
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin delete shadows /all /quiet
        1⤵
        • Deletes shadow copies
        • Uses Volume Shadow Copy Service COM API
        PID:1400
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
        1⤵
          PID:2432
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          • Uses Volume Shadow Copy Service COM API
          PID:3060
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic shadowcopy delete
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          • Deletes shadow copies
          PID:3436
        • \??\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:2560
        • 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:808
        • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
          taskdl.exe
          1⤵
          • Executes dropped EXE
          PID:4404
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:5000
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
            • Windows security modification
            PID:4744
          • 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:4488
          • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
            taskdl.exe
            1⤵
            • Executes dropped EXE
            PID:3404

          Network

          MITRE ATT&CK Enterprise v15

          MITRE ATT&CK Additional techniques

          • T1060
          • T1107
          • T1089
          • T1158

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3984-48-0x0000000002780000-0x0000000002781000-memory.dmp

            Filesize

            4KB

          • memory/4816-36-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB

          • memory/4872-171-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-315-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-153-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-90-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-121-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-151-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-182-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-152-0x00000000036C0000-0x00000000036C1000-memory.dmp

            Filesize

            4KB

          • memory/4872-73-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-70-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-69-0x00000000036C0000-0x00000000036C1000-memory.dmp

            Filesize

            4KB

          • memory/4872-173-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB

          • memory/4872-389-0x00000000033B0000-0x00000000033B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-379-0x00000000033B0000-0x00000000033B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-333-0x00000000033B0000-0x00000000033B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-318-0x00000000033B0000-0x00000000033B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-317-0x0000000003BB0000-0x0000000003BB1000-memory.dmp

            Filesize

            4KB

          • memory/4872-316-0x00000000033B0000-0x00000000033B1000-memory.dmp

            Filesize

            4KB

          • memory/4872-68-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

            Filesize

            4KB