Analysis

  • max time kernel
    1563s
  • max time network
    1563s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 07:17

General

  • Target

    2016-10-05-EITest-Rig-EK-payload-CryptFile2.exe

  • Size

    87KB

  • MD5

    329d083880ddb262e38a8db3c5a6c9c3

  • SHA1

    d580d080f717c3bc03bf487d38902f3ba8abbb46

  • SHA256

    1445d1d97f2700ab8335af641b50395522381fa1d06a12770987350fcca97c8a

  • SHA512

    433c1b54b7414aa58311fd8ed8c222fa91852e0a25fd2039c9ab9c2eb2f02a5d8c598508002618485f77ac636a150c1e64f649320d574d48f63e3dacdb058042

  • SSDEEP

    1536:etImPuQ5yf7aqkHNz8lnhF2ljUJlptcm5aqkHNz8lnhF2ljUJlptc:3m2cyf7aqkknhF2l0cm5aqkknhF2l0c

Malware Config

Extracted

Path

C:\PerfLogs\HELP_DECRYPT_YOUR_FILES.TXT

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here: https://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-2048 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start send email now for more specific instructions! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions: Contact us by email only, send us an email along with your ID number and wait for further instructions. Our specialist will contact you within 24 hours. For you to be sure, that we can decrypt your files - you can send us a single encrypted file and we will send you back it in a decrypted form. This will be your guarantee. Please do not waste your time! You have 72 hours only! After that The Main Server will double your price! So right now You have a chance to buy your individual private softWare with a low price! E-MAIL1: [email protected] E-MAIL2: [email protected] Spare email: E-MAIL1: [email protected] E-MAIL2: [email protected] YOUR_ID: 8987f8831c9b74ea

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 64 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 27 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2016-10-05-EITest-Rig-EK-payload-CryptFile2.exe
    "C:\Users\Admin\AppData\Local\Temp\2016-10-05-EITest-Rig-EK-payload-CryptFile2.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C wmic shadowcopy delete
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1668
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Z: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Z: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Y: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Y: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2248
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=X: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=X: /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:2052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=W: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=W: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=V: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:976
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=V: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2184
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=U: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2480
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=U: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2608
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=T: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1836
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=T: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=S: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2296
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=S: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=R: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1516
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=R: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Q: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2864
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Q: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=P: /All /Quiet
      2⤵
        PID:2612
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=P: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:2928
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=O: /All /Quiet
        2⤵
        • System Location Discovery: System Language Discovery
        PID:1196
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=O: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:2552
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=N: /All /Quiet
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2616
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=N: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:2188
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=M: /All /Quiet
        2⤵
          PID:2912
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=M: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2892
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=L: /All /Quiet
          2⤵
            PID:3064
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=L: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2660
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=K: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1348
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=K: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:1028
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=J: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2972
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=J: /All /Quiet
              3⤵
              • Interacts with shadow copies
              PID:2988
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=I: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2868
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=I: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2668
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=H: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2300
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=H: /All /Quiet
              3⤵
              • Interacts with shadow copies
              PID:956
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=G: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1848
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=G: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2932
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=F: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1268
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=F: /All /Quiet
              3⤵
              • Interacts with shadow copies
              PID:1660
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=E: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2016
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=E: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:1020
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=D: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:3032
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=D: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:1440
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=C: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2232
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=C: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:1444
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=B: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:620
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=B: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2256
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=A: /All /Quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:920
            • C:\Windows\SysWOW64\vssadmin.exe
              vssadmin Delete Shadows /For=A: /All /Quiet
              3⤵
              • System Location Discovery: System Language Discovery
              • Interacts with shadow copies
              PID:2632
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C net stop vss
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1344
            • C:\Windows\SysWOW64\net.exe
              net stop vss
              3⤵
              • System Location Discovery: System Language Discovery
              PID:2844
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop vss
                4⤵
                • System Location Discovery: System Language Discovery
                PID:2936
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled No
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2328
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1236
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set {default} recoveryenabled No
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1604
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set {default} bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1452
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1400
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1524
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set recoveryenabled NO
            2⤵
            • System Location Discovery: System Language Discovery
            PID:908
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set recoveryenabled NO
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1204
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2592
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" wbadmin delete catalog -quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2764
          • C:\Windows\SysWOW64\NOTEPAD.EXE
            "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Documents\HELP_DECRYPT_YOUR_FILES.TXT
            2⤵
            • System Location Discovery: System Language Discovery
            • Opens file in notepad (likely ransom note)
            PID:2476
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2216
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
          1⤵
            PID:1660
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2552

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\PerfLogs\HELP_DECRYPT_YOUR_FILES.TXT

            Filesize

            3KB

            MD5

            e8ee782f72a78bcb6c8e86860fa39c33

            SHA1

            b943d744cafffc0c540f16f1ef94f227fbf2f054

            SHA256

            48143b74ba0f5a479946db895b8d45185970f6d6914a0d5ae068c26906206fa7

            SHA512

            a56f0ee989493f99b3979a68deb30203aaa033bbe8cad15942fb848c54b69448612fe3470a51d6ade3593eced2c06d35f3c0677d53137a85cfa1343e2453541f

          • memory/2860-0-0x0000000000100000-0x000000000010B000-memory.dmp

            Filesize

            44KB