Overview

overview

10

Static

static

ed42bb9e3f...71.exe

windows7-x64

10

ed42bb9e3f...71.exe

windows10-2004-x64

10

Resubmissions

28-09-2022 14:43

220928-r3wgnagbh8 10

28-09-2022 13:08

220928-qc7xbsfhg7 10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2022 13:08

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General

  • Target

    ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71.exe

  • Size

    56KB

  • MD5

    4124caf1406e1cf408a648502a51df86

  • SHA1

    cb4b48ce69ea5f683cdca7c33c6d90ef2be4412f

  • SHA256

    ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71

  • SHA512

    70c27a6af1a6eff38d4f2a41d39b520c70cf065ed6469870ecb65dfac494a2bc3f32d2be8fe68b1e77985e18e2243f2e07219f65aa34244654eda423359b5591

  • SSDEEP

    1536:aNeRBl5PT/rx1mzwRMSTdLpJRydB3IR5:aQRrmzwR5JMdGR

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

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 92E88E5C-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.

    ransomwarephobos
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 1 TTPs 2 IoCs
    evasion
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71.exe
    "C:\Users\Admin\AppData\Local\Temp\ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71.exe
      "C:\Users\Admin\AppData\Local\Temp\ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71.exe"
      2⤵
        PID:4240
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:3940
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1896
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1248
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:988
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2336
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4488
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:940
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:3616
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          2⤵
            PID:4952
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            2⤵
              PID:4972
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1204
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:2136
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic shadowcopy delete
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2160
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} bootstatuspolicy ignoreallfailures
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:4184
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled no
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:2044
              • C:\Windows\system32\wbadmin.exe
                wbadmin delete catalog -quiet
                3⤵
                • Deletes backup catalog
                PID:3928
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4424
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1864
          • C:\Windows\system32\wbengine.exe
            "C:\Windows\system32\wbengine.exe"
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4416
          • C:\Windows\System32\vdsldr.exe
            C:\Windows\System32\vdsldr.exe -Embedding
            1⤵
              PID:3768
            • C:\Windows\System32\vds.exe
              C:\Windows\System32\vds.exe
              1⤵
              • Checks SCSI registry key(s)
              PID:2676

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              5KB

              MD5

              cc052f62fccf3a2c17fe90616f5648f0

              SHA1

              84e6721af61d39dd7167984c0ce01c050f9b4d11

              SHA256

              1f7cbdd54b3dc2d324efd434803f69bb249ba808fb8b83cbf9f892c4980c681a

              SHA512

              ac0922d56a733a513285a9b43517becfa4f7a4b9e1b7271872dd5248dcecf537bf7822504c57bc30de9dd8d3a89acbcbab47c8d7398225b523f6f1c6ccb71d8c

              Download Submit

            • C:\info.hta
              Filesize

              5KB

              MD5

              cc052f62fccf3a2c17fe90616f5648f0

              SHA1

              84e6721af61d39dd7167984c0ce01c050f9b4d11

              SHA256

              1f7cbdd54b3dc2d324efd434803f69bb249ba808fb8b83cbf9f892c4980c681a

              SHA512

              ac0922d56a733a513285a9b43517becfa4f7a4b9e1b7271872dd5248dcecf537bf7822504c57bc30de9dd8d3a89acbcbab47c8d7398225b523f6f1c6ccb71d8c

              Download Submit

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

              5KB

              MD5

              cc052f62fccf3a2c17fe90616f5648f0

              SHA1

              84e6721af61d39dd7167984c0ce01c050f9b4d11

              SHA256

              1f7cbdd54b3dc2d324efd434803f69bb249ba808fb8b83cbf9f892c4980c681a

              SHA512

              ac0922d56a733a513285a9b43517becfa4f7a4b9e1b7271872dd5248dcecf537bf7822504c57bc30de9dd8d3a89acbcbab47c8d7398225b523f6f1c6ccb71d8c

              Download Submit

            • memory/940-141-0x0000000000000000-mapping.dmp

              Download

            • memory/988-138-0x0000000000000000-mapping.dmp

              Download

            • memory/1204-147-0x0000000000000000-mapping.dmp

              Download

            • memory/1248-136-0x0000000000000000-mapping.dmp

              Download

            • memory/1896-137-0x0000000000000000-mapping.dmp

              Download

            • memory/2044-152-0x0000000000000000-mapping.dmp

              Download

            • memory/2056-133-0x0000000000000000-mapping.dmp

              Download

            • memory/2136-149-0x0000000000000000-mapping.dmp

              Download

            • memory/2160-150-0x0000000000000000-mapping.dmp

              Download

            • memory/2336-139-0x0000000000000000-mapping.dmp

              Download

            • memory/2548-134-0x0000000000000000-mapping.dmp

              Download

            • memory/3616-142-0x0000000000000000-mapping.dmp

              Download

            • memory/3928-153-0x0000000000000000-mapping.dmp

              Download

            • memory/3940-135-0x0000000000000000-mapping.dmp

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            • memory/4184-151-0x0000000000000000-mapping.dmp

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            • memory/4240-132-0x0000000000000000-mapping.dmp

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            • memory/4488-140-0x0000000000000000-mapping.dmp

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            • memory/4952-143-0x0000000000000000-mapping.dmp

              Download

            • memory/4972-144-0x0000000000000000-mapping.dmp

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