Overview

overview

10

Static

static

[email protected]

windows7_x64

10

[email protected]

windows10_x64

10

Analysis

  • max time kernel
    600s
  • max time network
    361s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    03/01/2022, 04:32

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General

  • Target

    [email protected]

  • Size

    489KB

  • MD5

    ad81961ccc571e985d35e6f30d396859

  • SHA1

    39dc8ac32563d88a11dee49137a0353b46f3eb38

  • SHA256

    630e24cc1c4c95321965ad967e77e1888c48c4b1f653d800c7df08e879814787

  • SHA512

    2d08c947b382b8633c1e055a8bbc57ae7b83f9a3a3ea1ac38080c52acc3fb928a2e199588b8cb0160494be03e6d42d4ae414d292e9e3838a6850cde1369aa8d8

Score
10/10
lockbitevasionpersistenceransomwaretrojan

Malware Config

Extracted

Path

C:\Restore-My-Files.txt

Ransom Note
!!!All of your files are encrypted!!! To decrypt them send e-mail to this address: [email protected] In case of no answer in 24h, send e-mail to this address: [email protected] All your files will be lost on Wednesday, February 2, 2022 4:33:45 AM. Your SYSTEM ID : 1607E57B

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\info.hta

Ransom Note
All your files have been encrypted by Loki locker! All your files have been encrypted due to a security problem with your PC. If you want to restore them, please send an email [email protected] You have to pay for decryption in Bitcoin. The price depends on how fast you contact us. After payment we will send you the decryption tool. You have to 48 hours(2 Days) To contact or paying us After that, you have to Pay Double . In case of no answer in 24 hours (1 Day) write to this email [email protected] Your unique ID is : 1607E57B You only have LIMITED time to get back your files! If timer runs out and you dont pay us , all of files will be DELETED and you hard disk will be seriously DAMAGED. You will lose some of your data on day 2 in the timer. You can buy more time for pay. Just email us. THIS IS NOT A JOKE! you can wait for the timer to run out ,and watch deletion of your files :) What is our decryption guarantee? Before paying you can send us up to for free decryption. The total size of files must be less than 2Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) Attention! DO NOT pay any money before decrypting the test files. DO NOT trust any intermediary. they wont help you and you may be victim of scam. just email us , we help you in any steps. DO NOT reply to other emails. ONLY this two emails can help you. Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
    evasiontrojan
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 29 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C schtasks /CREATE /SC ONLOGON /TN Loki /TR C:\Users\Admin\AppData\Roaming\winlogon.exe /RU SYSTEM /RL HIGHEST /F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /CREATE /SC ONLOGON /TN Loki /TR C:\Users\Admin\AppData\Roaming\winlogon.exe /RU SYSTEM /RL HIGHEST /F
        3⤵
        • Creates scheduled task(s)
        PID:4480
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\uvt5v2ad\uvt5v2ad.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4500
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA738.tmp" "c:\ProgramData\CSCD7D9D7DD0D34F968BC25FA8464381EE.TMP"
        3⤵
          PID:4568
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4760
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2492
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin DELETE SYSTEMSTATEBACKUP
        2⤵
          PID:4780
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          2⤵
            PID:4828
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
            2⤵
              PID:4860
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
              2⤵
                PID:4896
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C netsh advfirewall set currentprofile state off
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4964
                • C:\Windows\SysWOW64\netsh.exe
                  netsh advfirewall set currentprofile state off
                  3⤵
                    PID:3824
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /C netsh firewall set opmode mode=disable
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5024
                  • C:\Windows\SysWOW64\netsh.exe
                    netsh firewall set opmode mode=disable
                    3⤵
                      PID:4260
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C wmic shadowcopy delete
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4804
                    • C:\Windows\SysWOW64\Wbem\WMIC.exe
                      wmic shadowcopy delete
                      3⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3416
                  • C:\Windows\SysWOW64\mshta.exe
                    "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                    2⤵
                      PID:2324
                    • C:\Windows\SysWOW64\mshta.exe
                      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                      2⤵
                        PID:2288
                      • C:\Windows\SysWOW64\mshta.exe
                        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                        2⤵
                          PID:1256
                        • C:\Windows\SysWOW64\mshta.exe
                          "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                          2⤵
                            PID:3648
                          • C:\Windows\SysWOW64\mshta.exe
                            "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                            2⤵
                              PID:2336
                          • C:\Windows\system32\vssvc.exe
                            C:\Windows\system32\vssvc.exe
                            1⤵
                            • Suspicious use of AdjustPrivilegeToken
                            PID:3152

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • memory/3476-119-0x0000000004F70000-0x0000000004F92000-memory.dmp

                            Filesize

                            136KB

                            Download

                          • memory/3476-118-0x0000000005240000-0x00000000052B6000-memory.dmp

                            Filesize

                            472KB

                            Download

                          • memory/3476-117-0x0000000005000000-0x0000000005066000-memory.dmp

                            Filesize

                            408KB

                            Download

                          • memory/3476-116-0x00000000050A0000-0x0000000005132000-memory.dmp

                            Filesize

                            584KB

                            Download

                          • memory/3476-115-0x0000000000740000-0x00000000007C4000-memory.dmp

                            Filesize

                            528KB

                            Download

                          • memory/3476-120-0x0000000005330000-0x0000000005331000-memory.dmp

                            Filesize

                            4KB

                            Download