Analysis

  • max time kernel
    136s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-09-2021 12:48

General

  • Target

    cafe54e85c539671c94abdeb4b8adbef3bde8655006003088760d04a86b5f915.exe

  • Size

    250KB

  • MD5

    f08e24f57501f2c4e009b6a7d9249e99

  • SHA1

    cb590e4eaab33bba84082f3acbe01f35e1ce710f

  • SHA256

    cafe54e85c539671c94abdeb4b8adbef3bde8655006003088760d04a86b5f915

  • SHA512

    6f4305c80a49d234ffe423c08512c1685208bcc557d2e18cdff30757ad7b77c51d73046a44cb88bfe6fc31549bbd393a7bd100d1ece26ac3f56cb0e41c4cdb75

Malware Config

Extracted

Path

C:\Users\Public\LOCKFILE-README.hta

Family

lockfile

Ransom Note
LOCK FILE Any attempts to restore your files with the thrid-party software will be fatal for your files! Restore you data posible only buying private key from us. There is only one way to get your files back: contact us qTox ID: B2F873769EB6B508EBC2103DDEB7366CEFB7B09AB8314DAD0C4346169072686690489B47EAEB https://tox.chat/download.html Email: [email protected] Through a recommended Download Tor Browser - https://www.torproject.org/ and install it. Open link in Tor Browser - http://zqaflhty5hyziovsxgqvj2mrz5e5rs6oqxzb54zolccfnvtn5w2johad.onion This link only works in Tor Browser! Follow the instructions on this page Do not try to recover files yourself. this process can damage your data and recovery will become impossible Do not rename encrypted files. Do not waste time trying to find the solution on the Internet. The longer you wait, the higher will become the decryption key price Decryption of your files with the help of third parties may cause increased price (they add their fee to our). Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. Thanks to the warning wallpaper provided by lockbit, it's easy to use
URLs

https://tox.chat/download.html

http://zqaflhty5hyziovsxgqvj2mrz5e5rs6oqxzb54zolccfnvtn5w2johad.onion

Signatures

  • LockFile

    LockFile is a new ransomware that emerged in July 2021 with ProxyShell vulnerabilties.

  • Drops file in Drivers directory 21 IoCs
  • Modifies extensions of user files 13 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Kills process with WMI 9 IoCs
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cafe54e85c539671c94abdeb4b8adbef3bde8655006003088760d04a86b5f915.exe
    "C:\Users\Admin\AppData\Local\Temp\cafe54e85c539671c94abdeb4b8adbef3bde8655006003088760d04a86b5f915.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%vmwp%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%vmwp%'" call terminate
        3⤵
        • Kills process with WMI
        • Suspicious use of AdjustPrivilegeToken
        PID:1648
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%virtualbox%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:976
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%virtualbox%'" call terminate
        3⤵
        • Kills process with WMI
        • Suspicious use of AdjustPrivilegeToken
        PID:1140
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%vbox%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:464
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%vbox%'" call terminate
        3⤵
        • Kills process with WMI
        PID:708
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%sqlservr%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%sqlservr%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1724
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%mysqld%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%mysqld%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1460
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%omtsreco%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1188
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%omtsreco%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1076
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%oracle%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%oracle%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1156
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%tnslsnr%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%tnslsnr%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1668
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic process where "name like '%vmware%'" call terminate
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic process where "name like '%vmware%'" call terminate
        3⤵
        • Kills process with WMI
        PID:1004
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1724
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:872
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1312
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1836
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:2012
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1128
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:432
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1076
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1052
    • C:\Windows\system32\mshta.exe
      mshta "C:\Users\Public\LOCKFILE-README.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Modifies Internet Explorer settings
      PID:1816
    • C:\Windows\system32\cmd.exe
      cmd /c ping 127.0.0.1 -n 5 && del "C:\Users\Admin\AppData\Local\Temp\cafe54e85c539671c94abdeb4b8adbef3bde8655006003088760d04a86b5f915.exe" && exit
      2⤵
      • Deletes itself
      PID:632
      • C:\Windows\system32\PING.EXE
        ping 127.0.0.1 -n 5
        3⤵
        • Runs ping.exe
        PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1724-81-0x000007FEFBF91000-0x000007FEFBF93000-memory.dmp

    Filesize

    8KB