Analysis

  • max time kernel
    910s
  • max time network
    912s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2023 14:48

Errors

Reason
Machine shutdown

General

  • Target

    BadRabbit.exe

  • Size

    431KB

  • MD5

    fbbdc39af1139aebba4da004475e8839

  • SHA1

    de5c8d858e6e41da715dca1c019df0bfb92d32c0

  • SHA256

    630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

  • SHA512

    74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87

  • SSDEEP

    12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63

Malware Config

Signatures

  • BadRabbit

    Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

  • Deletes NTFS Change Journal 2 TTPs 1 IoCs

    The USN change journal is a persistent log of all changes made to local files used by Windows Server systems.

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

  • Clears Windows event logs 1 TTPs 4 IoCs
  • mimikatz is an open source tool to dump credentials on Windows 2 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe
    "C:\Users\Admin\AppData\Local\Temp\BadRabbit.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
      2⤵
      • Blocklisted process makes network request
      • Modifies extensions of user files
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Delete /F /TN rhaegal
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1100
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /F /TN rhaegal
          4⤵
            PID:3580
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3984324953 && exit"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 3984324953 && exit"
            4⤵
            • Creates scheduled task(s)
            PID:1800
        • C:\Windows\SysWOW64\cmd.exe
          /c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 15:06:00
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:224
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 15:06:00
            4⤵
            • Creates scheduled task(s)
            PID:436
        • C:\Windows\8F16.tmp
          "C:\Windows\8F16.tmp" \\.\pipe\{7F6D3503-E46D-4D48-868B-4B0C5B367FFD}
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3908
        • C:\Windows\SysWOW64\cmd.exe
          /c wevtutil cl Setup & wevtutil cl System & wevtutil cl Security & wevtutil cl Application & fsutil usn deletejournal /D C:
          3⤵
            PID:5900
            • C:\Windows\SysWOW64\wevtutil.exe
              wevtutil cl Setup
              4⤵
              • Clears Windows event logs
              • Suspicious use of AdjustPrivilegeToken
              PID:5084
            • C:\Windows\SysWOW64\wevtutil.exe
              wevtutil cl System
              4⤵
              • Clears Windows event logs
              • Suspicious use of AdjustPrivilegeToken
              PID:2136
            • C:\Windows\SysWOW64\wevtutil.exe
              wevtutil cl Security
              4⤵
              • Clears Windows event logs
              • Suspicious use of AdjustPrivilegeToken
              PID:1360
            • C:\Windows\SysWOW64\wevtutil.exe
              wevtutil cl Application
              4⤵
              • Clears Windows event logs
              • Suspicious use of AdjustPrivilegeToken
              PID:4764
            • C:\Windows\SysWOW64\fsutil.exe
              fsutil usn deletejournal /D C:
              4⤵
              • Deletes NTFS Change Journal
              PID:992
          • C:\Windows\SysWOW64\cmd.exe
            /c schtasks /Delete /F /TN drogon
            3⤵
              PID:1612
              • C:\Windows\SysWOW64\schtasks.exe
                schtasks /Delete /F /TN drogon
                4⤵
                  PID:3844
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -pss -s 472 -p 644 -ip 644
            1⤵
              PID:4908
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 644 -s 1764
              1⤵
              • Program crash
              PID:3848
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -pss -s 528 -p 2564 -ip 2564
              1⤵
                PID:1892
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 2564 -s 2924
                1⤵
                • Program crash
                PID:1300
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault644432bah6286h4bafhb684h6d0123240649
                1⤵
                • Enumerates system info in registry
                • Modifies registry class
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:2616
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ffe370046f8,0x7ffe37004708,0x7ffe37004718
                  2⤵
                    PID:3828
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2176,8464376412528378536,846476545896350165,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
                    2⤵
                      PID:4324
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2176,8464376412528378536,846476545896350165,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:972
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2176,8464376412528378536,846476545896350165,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2792 /prefetch:8
                      2⤵
                        PID:5216
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:5196
                      • C:\Windows\system32\LogonUI.exe
                        "LogonUI.exe" /flags:0x4 /state0:0xa390d055 /state1:0x41c64e6d
                        1⤵
                        • Modifies data under HKEY_USERS
                        • Suspicious use of SetWindowsHookEx
                        PID:740

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                        Filesize

                        152B

                        MD5

                        78c7656527762ed2977adf983a6f4766

                        SHA1

                        21a66d2eefcb059371f4972694057e4b1f827ce6

                        SHA256

                        e1000099751602ae1adcec6f1c74e1d65f472936817b45239dfed4b043984296

                        SHA512

                        0a8e58ae95163b3cdf8e81b5085887761e73cb7c836a1a6a972e837fb3df69b2ac70cfd6311d06d40656344ec35eb48e512f007561480f0345486ac2b329be0b

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico

                        Filesize

                        70KB

                        MD5

                        e5e3377341056643b0494b6842c0b544

                        SHA1

                        d53fd8e256ec9d5cef8ef5387872e544a2df9108

                        SHA256

                        e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25

                        SHA512

                        83f09e48d009a5cf83fa9aa8f28187f7f4202c84e2d0d6e5806c468f4a24b2478b73077381d2a21c89aa64884df3c56e8dc94eb4ad2d6a8085ac2feb1e26c2ef

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Microsoft Edge.lnk

                        Filesize

                        2KB

                        MD5

                        4586131fb812ae1d929a2b47ba1b9801

                        SHA1

                        27c9e5a70faadacb752e8af755a1ca4bfc58365f

                        SHA256

                        d80fa1d05887c2743258269f40421052e705b56fba75158d9d823701744e2c37

                        SHA512

                        b96cd6b62f4d4c4f315a656b140597af1cba5e7c357826028c4b12bbf6e344bebe5e4364215b36d250883bd2e5988b9a0601b2bb5135c0019efe42599522f850

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                        Filesize

                        111B

                        MD5

                        285252a2f6327d41eab203dc2f402c67

                        SHA1

                        acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                        SHA256

                        5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                        SHA512

                        11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                        Filesize

                        3KB

                        MD5

                        ba438ed3d1f0596886518cbea55365c2

                        SHA1

                        0a4cee117928900928bc932993a74f1f221b2b56

                        SHA256

                        7395ea5682984a40b81c0cac24989b7c08f69528b0c396ac1ccf30c31e40dcc8

                        SHA512

                        f2ee8f24392db5956fd9ebcf6422c326f8ecf91e2182e1502049ae9e21a76015f304297c91c8a6198c8da18250cd19ba65d68c5f8089e9a039394f359835655b

                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                        Filesize

                        3KB

                        MD5

                        ee28e64a29df644f41ff1b126432ee28

                        SHA1

                        d7a7836477fc023300891fb716893074d9a8bc46

                        SHA256

                        ff5a2ab9115c2e48740217f3207aed7266d03b7acdca1bb55febf051eddfcbd8

                        SHA512

                        e1d6dc2620ab96f019827ddf6b013ca3d52ac6ec8dce0800080ed4e970e8029276de92f663bddc3c1f28ba7e080a8c299d683e86e01e1a6eb6d7da81219d471a

                      • C:\Windows\8F16.tmp

                        Filesize

                        60KB

                        MD5

                        347ac3b6b791054de3e5720a7144a977

                        SHA1

                        413eba3973a15c1a6429d9f170f3e8287f98c21c

                        SHA256

                        301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

                        SHA512

                        9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

                      • C:\Windows\8F16.tmp

                        Filesize

                        60KB

                        MD5

                        347ac3b6b791054de3e5720a7144a977

                        SHA1

                        413eba3973a15c1a6429d9f170f3e8287f98c21c

                        SHA256

                        301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

                        SHA512

                        9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

                      • C:\Windows\infpub.dat

                        Filesize

                        401KB

                        MD5

                        1d724f95c61f1055f0d02c2154bbccd3

                        SHA1

                        79116fe99f2b421c52ef64097f0f39b815b20907

                        SHA256

                        579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

                        SHA512

                        f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

                      • C:\Windows\infpub.dat

                        Filesize

                        401KB

                        MD5

                        1d724f95c61f1055f0d02c2154bbccd3

                        SHA1

                        79116fe99f2b421c52ef64097f0f39b815b20907

                        SHA256

                        579fd8a0385482fb4c789561a30b09f25671e86422f40ef5cca2036b28f99648

                        SHA512

                        f2d7b018d1516df1c97cfff5507957c75c6d9bf8e2ce52ae0052706f4ec62f13eba6d7be17e6ad2b693fdd58e1fd091c37f17bd2b948cdcd9b95b4ad428c0113

                      • memory/1284-147-0x0000000002C60000-0x0000000002CC8000-memory.dmp

                        Filesize

                        416KB

                      • memory/1284-144-0x0000000002C60000-0x0000000002CC8000-memory.dmp

                        Filesize

                        416KB

                      • memory/1284-136-0x0000000002C60000-0x0000000002CC8000-memory.dmp

                        Filesize

                        416KB