Overview

overview

10

Static

static

ed01ebfbc9...aa.exe

windows7_x64

10

ed01ebfbc9...aa.exe

windows10_x64

10

Resubmissions

13-04-2021 15:20

210413-erpdk5746n 10

07-04-2021 20:23

210407-3w1xnp3sxx 10

30-03-2021 12:44

210330-rxae2gpzkn 10

15-03-2021 03:56

210315-v77jkyypdj 10

12-03-2021 14:39

210312-v91t4rfeva 10

09-03-2021 16:31

210309-jarv33yz26 10

08-03-2021 18:16

210308-nb95m4v9c6 10

04-03-2021 16:33

210304-wah1ytdaa6 10

04-03-2021 15:26

210304-v2jw3mqwkj 10

03-03-2021 02:26

210303-eg4g1z4wd2 10

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-03-2021 03:56

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General

  • Target

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Score
10/10
wannacrydiscoverypersistenceransomwarespywarestealerworm

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: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 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

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Executes dropped EXE 16 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 39 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Sets desktop wallpaper using registry
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:1428
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:1620
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1140
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 194531615780805.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:588
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
        • Loads dropped DLL
        PID:436
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      @[email protected] co
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Users\Admin\AppData\Local\Temp\TaskData\Tor\taskhsvc.exe
        TaskData\Tor\taskhsvc.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1600
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b @[email protected] vs
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] vs
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1700
        • 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
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1780
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • Interacts with shadow copies
            PID:672
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1540
    • C:\Users\Admin\AppData\Local\Temp\taskse.exe
      taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:272
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "uyjnwwlakzsi360" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
      2⤵
        PID:1740
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "uyjnwwlakzsi360" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
          3⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1732
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected]
        2⤵
        • Executes dropped EXE
        • Sets desktop wallpaper using registry
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1096
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1316
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1544
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1580
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:108
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1160
      • C:\Users\Admin\AppData\Local\Temp\taskse.exe
        taskse.exe C:\Users\Admin\AppData\Local\Temp\@[email protected]
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1064
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1688
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/436-53-0x00000000025A0000-0x00000000025A4000-memory.dmp

      Filesize

      16KB

      Download

    • memory/1600-85-0x0000000074291000-0x0000000074406000-memory.dmp

      Filesize

      1.5MB

      Download

    • memory/1600-181-0x0000000002DF0000-0x0000000002E01000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-87-0x00000000741D1000-0x00000000741E4000-memory.dmp

      Filesize

      76KB

      Download

    • memory/1600-88-0x00000000011F1000-0x000000000142E000-memory.dmp

      Filesize

      2.2MB

      Download

    • memory/1600-86-0x0000000074201000-0x0000000074251000-memory.dmp

      Filesize

      320KB

      Download

    • memory/1600-84-0x0000000003200000-0x0000000003211000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-83-0x0000000074531000-0x0000000074575000-memory.dmp

      Filesize

      272KB

      Download

    • memory/1600-348-0x00000000034E0000-0x00000000034F1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-82-0x0000000002DF0000-0x0000000002E01000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-347-0x00000000038F0000-0x0000000003901000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-179-0x0000000002DF0000-0x0000000002E01000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-180-0x0000000003200000-0x0000000003211000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-89-0x0000000002DF0000-0x0000000002E01000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1600-346-0x00000000034E0000-0x00000000034F1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1908-40-0x0000000076271000-0x0000000076273000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1908-41-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download