Analysis

  • max time kernel
    98s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-07-2024 17:43

General

  • Target

    45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.zip

  • Size

    50KB

  • MD5

    05f3827b79462467cd41711ee3a1fee1

  • SHA1

    b8cea62a853c73aff99e7b0b9616ff567f05285e

  • SHA256

    452ccadead56b846bd968178bc46156b7a4bceeee25b6143ae9d793ebaa77adb

  • SHA512

    ce50dc7664ad904c3da0b8e46631cec0be2a4250f789f7478657a5ee68f98346a2dee9539dea153cfd3a792e2fbc3cd014493a40bd08201942b899769bbc0892

  • SSDEEP

    768:ykyP3gVLBzKQHMaS5vW67PJYDr8BPZDlyMiTvMUMkUKhkWCZ7pOfZtdJ:yiqQHC5WmPurCvwTvMUMkjkWCZ7pEZtL

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Deletes shadow copies 3 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 Windows Firewall 2 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.zip
    1⤵
      PID:468
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1248
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\" -spe -an -ai#7zMap4887:186:7zEvent23728
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3680
      • C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe
        "C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe"
        1⤵
        • Drops startup file
        • Executes dropped EXE
        • 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:4588
        • C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe
          "C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe"
          2⤵
          • Executes dropped EXE
          PID:3092
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4120
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4560
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
              PID:4184
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} bootstatuspolicy ignoreallfailures
              3⤵
              • Modifies boot configuration data using bcdedit
              PID:3824
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} recoveryenabled no
              3⤵
              • Modifies boot configuration data using bcdedit
              PID:3608
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete catalog -quiet
              3⤵
              • Deletes backup catalog
              PID:1144
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3220
            • C:\Windows\system32\netsh.exe
              netsh advfirewall set currentprofile state off
              3⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              PID:2212
            • C:\Windows\system32\netsh.exe
              netsh firewall set opmode mode=disable
              3⤵
              • Modifies Windows Firewall
              PID:1392
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:4960
          • C:\Windows\System32\winver.exe
            "C:\Windows\System32\winver.exe"
            1⤵
              PID:2444
            • C:\Windows\system32\wbengine.exe
              "C:\Windows\system32\wbengine.exe"
              1⤵
                PID:3084
              • C:\Windows\System32\vdsldr.exe
                C:\Windows\System32\vdsldr.exe -Embedding
                1⤵
                  PID:720
                • C:\Windows\System32\vds.exe
                  C:\Windows\System32\vds.exe
                  1⤵
                    PID:2084
                  • C:\Program Files\VideoLAN\VLC\vlc.exe
                    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Downloads\RepairRead.mp4"
                    1⤵
                      PID:4732
                    • C:\Windows\system32\taskmgr.exe
                      "C:\Windows\system32\taskmgr.exe" /4
                      1⤵
                        PID:3660

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[2E8FAA15-3483].[[email protected]].8base

                        Filesize

                        3.2MB

                        MD5

                        dce6900ab6174bfccb5903a54e6ddd0d

                        SHA1

                        c76361fc05a3a8f141d37ea5120dcbea328b71f5

                        SHA256

                        91151ebba4f1b9e7d84cf71d30d8f33b2857842054c153b8bfc5183693b0693e

                        SHA512

                        2c9fb9ef35ebd8d69c0db703b6ad2a27072e3d51ea29f90828c851b57a06a20c5d4d6bd70c98b99e05fe124c78c243114d9cfe7fd407e1287f7e9781ab775e7a

                      • C:\Users\Admin\Desktop\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f\45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f.exe

                        Filesize

                        66KB

                        MD5

                        87d6d2488b1260e70f4042bf1f292529

                        SHA1

                        161f9a79f8197c9b5de1beb7bd4d425d5c23b45b

                        SHA256

                        45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f

                        SHA512

                        a9d3930de1ff5849e61d1807c6de4b063790dc03f7e4f3f2101cbddde55002ffcc85d2ff433b753a5936403feedbc93c0f3658ffb5e8051d00ba58641e6afda7

                      • memory/4732-2752-0x00007FF95A290000-0x00007FF95A2A8000-memory.dmp

                        Filesize

                        96KB

                      • memory/4732-2681-0x00007FF94C050000-0x00007FF94C306000-memory.dmp

                        Filesize

                        2.7MB

                      • memory/4732-2758-0x00007FF94E390000-0x00007FF94E3A1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-2757-0x00007FF94E3B0000-0x00007FF94E3CD000-memory.dmp

                        Filesize

                        116KB

                      • memory/4732-2756-0x00007FF94E3D0000-0x00007FF94E3E1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-2755-0x00007FF94DEA0000-0x00007FF94DEB7000-memory.dmp

                        Filesize

                        92KB

                      • memory/4732-2754-0x00007FF94F440000-0x00007FF94F451000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-2753-0x00007FF94F460000-0x00007FF94F477000-memory.dmp

                        Filesize

                        92KB

                      • memory/4732-2659-0x00007FF74DF60000-0x00007FF74E058000-memory.dmp

                        Filesize

                        992KB

                      • memory/4732-2676-0x00007FF959820000-0x00007FF959854000-memory.dmp

                        Filesize

                        208KB

                      • memory/4732-2759-0x00007FF94CFE0000-0x00007FF94D1EB000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/4732-3177-0x00007FF94A890000-0x00007FF94A8A1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-2824-0x00007FF94ADB0000-0x00007FF94BE60000-memory.dmp

                        Filesize

                        16.7MB

                      • memory/4732-3176-0x00007FF9658A0000-0x00007FF9658B1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-3175-0x00007FF9658C0000-0x00007FF9658D1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-3174-0x00007FF9658E0000-0x00007FF9658F1000-memory.dmp

                        Filesize

                        68KB

                      • memory/4732-3173-0x00007FF965900000-0x00007FF965918000-memory.dmp

                        Filesize

                        96KB

                      • memory/4732-3172-0x00007FF965920000-0x00007FF965941000-memory.dmp

                        Filesize

                        132KB

                      • memory/4732-3164-0x00007FF965950000-0x00007FF965991000-memory.dmp

                        Filesize

                        260KB