Analysis

  • max time kernel
    120s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    02-10-2023 01:07

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.

  • Mimikatz

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

  • mimikatz is an open source tool to dump credentials on Windows 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 5 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • 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 Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 26 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:4040
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Delete /F /TN rhaegal
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /F /TN rhaegal
          4⤵
            PID:2260
        • 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 2664089407 && exit"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1944
          • 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 2664089407 && exit"
            4⤵
            • Creates scheduled task(s)
            PID:2732
        • 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 01:26:00
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2860
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 01:26:00
            4⤵
            • Creates scheduled task(s)
            PID:2168
        • C:\Windows\7AED.tmp
          "C:\Windows\7AED.tmp" \\.\pipe\{B8EF85FB-5E7F-47A5-B113-F8467A5A470B}
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3184
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -nohome
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3684
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3684 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2724
    • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" /s "C:\Users\Admin\Desktop\LockInvoke.pps" /ou ""
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3200
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\SplitImport.txt
      1⤵
      • Opens file in notepad (likely ransom note)
      PID:1960
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\GetImport.jpeg" /ForceBootstrapPaint3D
      1⤵
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1188
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
      1⤵
      • Drops file in System32 directory
      PID:4060
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:2712
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\GetImport.jpeg" /ForceBootstrapPaint3D
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:456
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
        PID:3200

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\~DFF98841009F8E727C.TMP

        Filesize

        16KB

        MD5

        6771a263232371ecc13a3e5f6f6b0e9b

        SHA1

        b1d9f893cc0928b3a25b8ee34d7442351f1f2502

        SHA256

        2b32446619dc33e4bd0424fb99ddf09aa4b03869ad9c8b2ba9000910f6528a7b

        SHA512

        b77b28ef0f6dfc38dc6a12e22c06f56a01c60d386612636698d795c37897ac363de56ebcd33034a8fefef9a44f6e6df80768d0c00c9d783bc92b96e5f30fa5f2

      • C:\Windows\7AED.tmp

        Filesize

        60KB

        MD5

        347ac3b6b791054de3e5720a7144a977

        SHA1

        413eba3973a15c1a6429d9f170f3e8287f98c21c

        SHA256

        301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

        SHA512

        9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

      • C:\Windows\7AED.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/212-3-0x0000000002590000-0x00000000025F8000-memory.dmp

        Filesize

        416KB

      • memory/212-11-0x0000000002590000-0x00000000025F8000-memory.dmp

        Filesize

        416KB

      • memory/212-14-0x0000000002590000-0x00000000025F8000-memory.dmp

        Filesize

        416KB

      • memory/3200-71-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-74-0x00007FFF365C0000-0x00007FFF365D0000-memory.dmp

        Filesize

        64KB

      • memory/3200-59-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-60-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-61-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-62-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-64-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-63-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-66-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-65-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-67-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-68-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-70-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-69-0x00007FFF365C0000-0x00007FFF365D0000-memory.dmp

        Filesize

        64KB

      • memory/3200-58-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-73-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-72-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-57-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-90-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-92-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-91-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-94-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-95-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-96-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-97-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/3200-93-0x00007FFF38E70000-0x00007FFF38E80000-memory.dmp

        Filesize

        64KB

      • memory/3200-102-0x00007FFF78DF0000-0x00007FFF78FE5000-memory.dmp

        Filesize

        2.0MB

      • memory/4060-109-0x000001FC769B0000-0x000001FC769C0000-memory.dmp

        Filesize

        64KB

      • memory/4060-113-0x000001FC77360000-0x000001FC77370000-memory.dmp

        Filesize

        64KB

      • memory/4060-120-0x000001FC7F640000-0x000001FC7F641000-memory.dmp

        Filesize

        4KB

      • memory/4060-122-0x000001FC7F6C0000-0x000001FC7F6C1000-memory.dmp

        Filesize

        4KB

      • memory/4060-124-0x000001FC7F6C0000-0x000001FC7F6C1000-memory.dmp

        Filesize

        4KB

      • memory/4060-125-0x000001FC7F750000-0x000001FC7F751000-memory.dmp

        Filesize

        4KB

      • memory/4060-126-0x000001FC7F750000-0x000001FC7F751000-memory.dmp

        Filesize

        4KB

      • memory/4060-127-0x000001FC7F760000-0x000001FC7F761000-memory.dmp

        Filesize

        4KB

      • memory/4060-128-0x000001FC7F760000-0x000001FC7F761000-memory.dmp

        Filesize

        4KB