Analysis

  • max time kernel
    1563s
  • max time network
    1563s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 07:17

General

  • Target

    2016-09-29-EITest-Rig-EK-payload-8th-run-CryptFile2.exe

  • Size

    100KB

  • MD5

    a94f5fa05150bf568a3c2d719ace2c02

  • SHA1

    51bde3d8160a6e9eec4d0f445ef3b27076dddfbf

  • SHA256

    7a3f89664c70aa0f6614ef731e9eddb061394497daeaf0720b89fee47af2f242

  • SHA512

    6dee48b6d24f2a4361d03797af8aa6561ff6ae05f882b3f4d6034fde094b4bfa596f61b446258232e7657484d9ff00db6631eef527fffffe78651895c2bdeae6

  • SSDEEP

    1536:ueBhQ2N/dYPAvq4OMZdRpK8WKzAlEEv4fvQUiEEvA2DsBpRLInFhm4zX:VtHy4OSLpKpe8Dvgcv8pRQm4

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 were protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here:-> http://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]

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 were protected by a strong encryption with RSA-2048. More information about the encryption keys using RSA-2048 can be found here:-> http://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: 80add89c1c9b74ea

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\2016-09-29-EITest-Rig-EK-payload-8th-run-CryptFile2.exe
    "C:\Users\Admin\AppData\Local\Temp\2016-09-29-EITest-Rig-EK-payload-8th-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:2716
    • 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:2056
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1176
    • 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:1752
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1660
    • 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:2888
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Z: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1288
    • 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:1960
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Y: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:288
    • 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:1492
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=X: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:684
    • 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:1436
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=W: /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:708
    • 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
      • Suspicious use of WriteProcessMemory
      PID:2476
      • 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:2496
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=U: /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=T: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1944
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=T: /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=S: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:912
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=S: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2700
    • 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:2696
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=R: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2948
    • 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:1552
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=Q: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=P: /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2884
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=P: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2020
    • 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:2608
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=O: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:1096
    • 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:2712
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=N: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2560
    • 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:580
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=M: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2012
    • 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:1904
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=L: /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1276
    • 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:2368
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=K: /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1688
    • 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:2032
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=J: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:772
    • 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:2820
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /For=I: /All /Quiet
        3⤵
        • System Location Discovery: System Language Discovery
        • Interacts with shadow copies
        PID:2468
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=H: /All /Quiet
      2⤵
        PID:2872
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=H: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:2356
      • 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:2136
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=G: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:1144
      • 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:2004
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=F: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:1308
      • 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:2036
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=E: /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Interacts with shadow copies
          PID:1504
      • 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:1088
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=D: /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=C: /All /Quiet
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3068
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /For=C: /All /Quiet
          3⤵
          • Interacts with shadow copies
          PID:2880
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin Delete Shadows /For=B: /All /Quiet
        2⤵
          PID:1632
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=B: /All /Quiet
            3⤵
            • System Location Discovery: System Language Discovery
            • Interacts with shadow copies
            PID:2360
        • 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:1568
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /For=A: /All /Quiet
            3⤵
            • Interacts with shadow copies
            PID:1056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C net stop vss
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1448
          • C:\Windows\SysWOW64\net.exe
            net stop vss
            3⤵
            • System Location Discovery: System Language Discovery
            PID:2732
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop vss
              4⤵
              • System Location Discovery: System Language Discovery
              PID:1016
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled No
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1652
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1320
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" bcdedit /set {default} recoveryenabled No
          2⤵
          • System Location Discovery: System Language Discovery
          PID:640
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" bcdedit /set {default} bootstatuspolicy ignoreallfailures
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2972
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" bcdedit /set bootstatuspolicy ignoreallfailures
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2340
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set bootstatuspolicy ignoreallfailures
          2⤵
          • System Location Discovery: System Language Discovery
          PID:316
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" bcdedit /set recoveryenabled NO
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2088
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set recoveryenabled NO
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2192
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1288
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" wbadmin delete catalog -quiet
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2656
        • 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:2888
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2936
      • C:\Windows\system32\conhost.exe
        \??\C:\Windows\system32\conhost.exe "-75412982311175910621165822548-151189546-23219262510458939421449038165217920724"
        1⤵
          PID:3032
        • C:\Windows\system32\conhost.exe
          \??\C:\Windows\system32\conhost.exe "68361086677487751473527684-1432497034848704392-17793543577429711911144332065"
          1⤵
            PID:2948

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\PerfLogs\HELP_DECRYPT_YOUR_FILES.TXT

            Filesize

            3KB

            MD5

            a2055997c8035d5ddedcc5e320a71aa9

            SHA1

            3749338fe70104e808c368ff4375e8a763d91034

            SHA256

            b4513c07ca8c741c7128f273654afae79ead9420a17a624c9c0f375bea133618

            SHA512

            d3624f8ca4080ed87252a5260514e27d399cf3338cfdb6e6b9b7cd86e781bd47afe9df8e96263a74ae98de6562d863c00dce6367634787050f21af4e103b7334

          • C:\PerfLogs\HELP_DECRYPT_YOUR_FILES.TXT

            Filesize

            3KB

            MD5

            a89360e9c1df150b4efda249a35cf02c

            SHA1

            1214f9b3d53f7b124c0b8dc56475551662ab71c1

            SHA256

            812bf5a1210527f387daf51693a5f5ebe6fe7004f4ff1e3865232ccdff0dba0b

            SHA512

            f3a6f04ec6f12318d4c8709112ff708216797ba1e6291c3d83c85bcf809fea58077a5ba7851f6175cb65df4ccbec5a617584ccc9c21a1b32b4e40d29e28764aa

          • memory/2716-0-0x0000000000100000-0x000000000010B000-memory.dmp

            Filesize

            44KB