Overview

overview

10

Static

static

84ad231f0d...23.exe

windows7-x64

10

84ad231f0d...23.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2022 09:27

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23.exe

  • Size

    55KB

  • MD5

    578244d3c1afbe8009f04bbc9eb54076

  • SHA1

    83c1841f67d81d90aec1217766721bbb6856973e

  • SHA256

    84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23

  • SHA512

    0a2b657dfb30ad60fca8c94fac6182b1273404a3163bd65328588e43d6440c3da7c9bd1fc9b1e5f75496f58304051108763e3fb30dddca8b589ef8fcdbb54481

  • SSDEEP

    1536:ENeRBl5PT/rx1mzwRMSTdLpJtsbChoirP:EQRrmzwR5JqcZ

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 F208B805-3423 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 3 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 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23.exe
    "C:\Users\Admin\AppData\Local\Temp\84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:1268
    • C:\Users\Admin\AppData\Local\Temp\84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23.exe
      "C:\Users\Admin\AppData\Local\Temp\84ad231f0d74cd4bed8da0fbfc6801fc77424ee74a560e0d3175aa37b4ecab23.exe"
      2⤵
        PID:4384
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:712
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3544
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:220
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:224
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:3560
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1904
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:3404
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:3472
      • 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:3592
        • 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:2388
          • 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:1336
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:3976
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                3⤵
                • Interacts with shadow copies
                PID:4640
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic shadowcopy delete
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1808
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} bootstatuspolicy ignoreallfailures
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:2284
              • C:\Windows\system32\bcdedit.exe
                bcdedit /set {default} recoveryenabled no
                3⤵
                • Modifies boot configuration data using bcdedit
                PID:4284
              • C:\Windows\system32\wbadmin.exe
                wbadmin delete catalog -quiet
                3⤵
                • Deletes backup catalog
                PID:1364
          • 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:748
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4548
          • C:\Windows\system32\wbengine.exe
            "C:\Windows\system32\wbengine.exe"
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1520
          • C:\Windows\System32\vdsldr.exe
            C:\Windows\System32\vdsldr.exe -Embedding
            1⤵
              PID:4972
            • C:\Windows\System32\vds.exe
              C:\Windows\System32\vds.exe
              1⤵
              • Checks SCSI registry key(s)
              PID:3452

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              5KB

              MD5

              4076c8058ad2f0d1e40671964d12693d

              SHA1

              79286788e22af19d7fdbd03f0c1ee89241b5c50f

              SHA256

              56449591116c929b1b2b0d6e35978ef573c5e74b6b4b30e6d2f7c78552a3f175

              SHA512

              e46baecb9244091c0eb8524af90fb1111db6dbe20c388c431644a2606169b9f08a1b961c2d4e165d7f5318e16f4e4a5aca65a5bce05c3a6f7b47f9e5894c68ad

              Download Submit

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

              5KB

              MD5

              4076c8058ad2f0d1e40671964d12693d

              SHA1

              79286788e22af19d7fdbd03f0c1ee89241b5c50f

              SHA256

              56449591116c929b1b2b0d6e35978ef573c5e74b6b4b30e6d2f7c78552a3f175

              SHA512

              e46baecb9244091c0eb8524af90fb1111db6dbe20c388c431644a2606169b9f08a1b961c2d4e165d7f5318e16f4e4a5aca65a5bce05c3a6f7b47f9e5894c68ad

              Download Submit

            • memory/220-139-0x0000000000000000-mapping.dmp

              Download

            • memory/224-140-0x0000000000000000-mapping.dmp

              Download

            • memory/712-136-0x0000000000000000-mapping.dmp

              Download

            • memory/1336-144-0x0000000000000000-mapping.dmp

              Download

            • memory/1364-152-0x0000000000000000-mapping.dmp

              Download

            • memory/1808-149-0x0000000000000000-mapping.dmp

              Download

            • memory/1904-134-0x0000000000000000-mapping.dmp

              Download

            • memory/2284-150-0x0000000000000000-mapping.dmp

              Download

            • memory/2388-143-0x0000000000000000-mapping.dmp

              Download

            • memory/3264-133-0x0000000000000000-mapping.dmp

              Download

            • memory/3404-135-0x0000000000000000-mapping.dmp

              Download

            • memory/3472-137-0x0000000000000000-mapping.dmp

              Download

            • memory/3544-138-0x0000000000000000-mapping.dmp

              Download

            • memory/3560-141-0x0000000000000000-mapping.dmp

              Download

            • memory/3592-142-0x0000000000000000-mapping.dmp

              Download

            • memory/3976-145-0x0000000000000000-mapping.dmp

              Download

            • memory/4284-151-0x0000000000000000-mapping.dmp

              Download

            • memory/4384-132-0x0000000000000000-mapping.dmp

              Download

            • memory/4640-148-0x0000000000000000-mapping.dmp

              Download