Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2022 05:22

General

  • Target

    e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe

  • Size

    56KB

  • MD5

    a6b6c9f529bbac5973236d91a65a80a6

  • SHA1

    d0eb443e04ecf1ac64eddd8a4b0eacaa5d3222fe

  • SHA256

    e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099

  • SHA512

    69ee566e6aa6ec2a753871e863ee23e7fb522b8212c75657d3f4888a6d1e77dfea06b1bc8d00fb9efa2209db1412d11773a60a0a7c5bbc80066bbbf58f94218b

  • SSDEEP

    1536:fNeRBl5PT/rx1mzwRMSTdLpJasHSW7E7oq5Mq:fQRrmzwR5J9HTeoqOq

Malware Config

Extracted

Path

C:\users\public\desktop\info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Write this ID in the title of your message B7AF6266-3352 If you do not receive a response within 24 hours, please contact us by Telegram.org account: @HostUppp You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! 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

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 3 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
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 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 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe
    "C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe
      "C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe"
      2⤵
        PID:956
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:696
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1776
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1336
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:560
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2040
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1688
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:872
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:1920
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1400
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:1564
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:2008
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:1664
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
          PID:1016
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1260
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1580
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            3⤵
            • Modifies boot configuration data using bcdedit
            PID:1536
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            3⤵
            • Modifies boot configuration data using bcdedit
            PID:1080
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            3⤵
            • Deletes backup catalog
            PID:1748
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2044
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:1580
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
            PID:1668

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\Desktop\info.hta

            Filesize

            5KB

            MD5

            193d0eb1547be24b4ff5175250480b76

            SHA1

            9965f452ef6adf4469c2dc553b591aa3e17b1597

            SHA256

            f63691d83b3e5d27e051f0155ea8d30fcba0ac9d144d71a9c8159256a46f75fc

            SHA512

            6c1d0e91648b8b7c6188b9d51bd9f73a898c7dad9215b77622081c53ffe206c228dd50eeb21e1fc6faa2e428364a85704523a9cef109c2b2b68f7bc589fd64e9

          • C:\info.hta

            Filesize

            5KB

            MD5

            193d0eb1547be24b4ff5175250480b76

            SHA1

            9965f452ef6adf4469c2dc553b591aa3e17b1597

            SHA256

            f63691d83b3e5d27e051f0155ea8d30fcba0ac9d144d71a9c8159256a46f75fc

            SHA512

            6c1d0e91648b8b7c6188b9d51bd9f73a898c7dad9215b77622081c53ffe206c228dd50eeb21e1fc6faa2e428364a85704523a9cef109c2b2b68f7bc589fd64e9

          • C:\users\public\desktop\info.hta

            Filesize

            5KB

            MD5

            193d0eb1547be24b4ff5175250480b76

            SHA1

            9965f452ef6adf4469c2dc553b591aa3e17b1597

            SHA256

            f63691d83b3e5d27e051f0155ea8d30fcba0ac9d144d71a9c8159256a46f75fc

            SHA512

            6c1d0e91648b8b7c6188b9d51bd9f73a898c7dad9215b77622081c53ffe206c228dd50eeb21e1fc6faa2e428364a85704523a9cef109c2b2b68f7bc589fd64e9

          • memory/560-64-0x0000000000000000-mapping.dmp

          • memory/696-56-0x0000000000000000-mapping.dmp

          • memory/872-57-0x0000000000000000-mapping.dmp

          • memory/1016-71-0x0000000000000000-mapping.dmp

          • memory/1336-63-0x0000000000000000-mapping.dmp

          • memory/1400-61-0x0000000000000000-mapping.dmp

          • memory/1564-68-0x0000000000000000-mapping.dmp

          • memory/1664-70-0x0000000000000000-mapping.dmp

          • memory/1688-66-0x0000000000000000-mapping.dmp

          • memory/1776-58-0x0000000000000000-mapping.dmp

          • memory/1920-59-0x0000000000000000-mapping.dmp

          • memory/1920-60-0x000007FEFB971000-0x000007FEFB973000-memory.dmp

            Filesize

            8KB

          • memory/1944-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

            Filesize

            8KB

          • memory/2008-69-0x0000000000000000-mapping.dmp

          • memory/2040-65-0x0000000000000000-mapping.dmp