Analysis

  • max time kernel
    1565s
  • max time network
    1566s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 07:17

General

  • Target

    2016-10-28-EITest-Rig-EK-payload-first-run-CryptFile2.exe

  • Size

    87KB

  • MD5

    28f486318ef8e9ec7f0017dde41acfcc

  • SHA1

    eb8035d5633fd044151c50a9acdfc51db93e88a1

  • SHA256

    730c76b5761c02c65956dbd4afb6b44a946c76f51b0f8e039a0076ff098bc9b5

  • SHA512

    22a3a575fd9f8facc97efb615aeae178237027878a59f154a1878a9562551f990906b9cb18a343bea9dafc42c1fe5f14656d27ab8494a407bfbf62862b654a59

  • SSDEEP

    1536:1mqfkQPtw8Ku5Ekkkkas+ocyNGlQ0lwp+N55JXXHhaXd:1mF05BSOG0znHhQ

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] YOUR_ID: 1c9b74ea1257e4b1

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 43 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\2016-10-28-EITest-Rig-EK-payload-first-run-CryptFile2.exe
    "C:\Users\Admin\AppData\Local\Temp\2016-10-28-EITest-Rig-EK-payload-first-run-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:1832
    • 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:836
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1868
    • 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:948
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=Z: /All /Quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:352
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Z: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:988
    • 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:2172
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Y: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2292
    • 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:2136
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=X: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=W: /All /Quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=W: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:632
    • 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:1256
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=V: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:3032
    • 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:2180
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=U: /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1644
    • 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:2696
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=T: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2112
    • 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:300
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=S: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2376
    • 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:532
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=R: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2848
    • 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:3024
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Q: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=P: /All /Quiet
      2⤵
        PID:2908
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=P: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:3056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=O: /All /Quiet
        2⤵
          PID:2872
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=O: /All /Quiet
            3⤵
            • Interacts with shadow copies
            PID:3052
        • 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:2888
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=N: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=M: /All /Quiet
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1524
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=M: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2052
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=L: /All /Quiet
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2796
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=L: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1956
        • 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:1676
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=K: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2200
        • 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:2916
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=J: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1544
        • 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:2248
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=I: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2276
        • 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:2988
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=H: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2428
        • 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:2540
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=G: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2804
        • 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:2576
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=F: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2236
        • 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:924
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=E: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1500
        • 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:604
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=D: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:928
        • 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:2020
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=C: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:1528
        • 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:2876
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=B: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2900
        • 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:944
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=A: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:3032
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C net stop vss
          2⤵
            PID:1436
            • C:\Windows\SysWOW64\net.exe
              net stop vss
              3⤵
              • System Location Discovery: System Language Discovery
              PID:324
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop vss
                4⤵
                • System Location Discovery: System Language Discovery
                PID:2068
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled No
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1608
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1704
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set {default} recoveryenabled No
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2116
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set {default} bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2704
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2628
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set bootstatuspolicy ignoreallfailures
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1972
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" bcdedit /set recoveryenabled NO
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2848
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set recoveryenabled NO
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2224
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:2216
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" wbadmin delete catalog -quiet
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1636
          • 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:888
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:320
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "-594326559-16122299271055254059213521289013401039031195758005-1629545054378136795"
          1⤵
            PID:2376
          • C:\Windows\system32\conhost.exe
            \??\C:\Windows\system32\conhost.exe "1229603287697063636-17623221961536732986-144481713720949757411678618817-1024921480"
            1⤵
              PID:532
            • C:\Windows\system32\conhost.exe
              \??\C:\Windows\system32\conhost.exe "213087558-9689357601743825044-1636542991851747509-6432949141135167723480220437"
              1⤵
                PID:3052

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\PerfLogs\HELP_DECRYPT_YOUR_FILES.TXT

                Filesize

                3KB

                MD5

                98ded05361b83b93798b9a5ac22d1fd1

                SHA1

                f1f45abb8c73ea1b8d9d0b09bef6fcdff1cc2161

                SHA256

                ad6df3006453473c0a07e616f1ed82e5c9e8d86f729fa3710bd5c342827ae8c6

                SHA512

                ed20ab9f2b5691918197c945d487f9531fca9b8b17f6ae125e952c38098e32ef193f02a3b8f747b2457021716f860a6de6e5cef9f4882043d52bac38230572c9

              • memory/1832-0-0x00000000000F0000-0x00000000000FB000-memory.dmp

                Filesize

                44KB