Analysis

  • max time kernel
    151s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 01:28

General

  • Target

    d30c1b57978067dce840e020baf994d5944f9917a050253fd5150bd7be9c0868.exe

  • Size

    255KB

  • MD5

    63b0999be19cd61fd1daeafb5f15dc56

  • SHA1

    b2c25cdea66c3faa95b7b1f29da466c2f70ea715

  • SHA256

    d30c1b57978067dce840e020baf994d5944f9917a050253fd5150bd7be9c0868

  • SHA512

    69a809f0f47574e5e228e18557ac8043f94bc0f0c9a1e1d119e6a5f5fbdd41d71e3ea2a2b29823e493a25853300568f42cede2198fbcc4f896bd58ba58ddce6d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJx:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI+

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 35 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d30c1b57978067dce840e020baf994d5944f9917a050253fd5150bd7be9c0868.exe
    "C:\Users\Admin\AppData\Local\Temp\d30c1b57978067dce840e020baf994d5944f9917a050253fd5150bd7be9c0868.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\unkymrhmhr.exe
      unkymrhmhr.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\vatxdoib.exe
        C:\Windows\system32\vatxdoib.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:424
    • C:\Windows\SysWOW64\tgbgxjmfuvomdfg.exe
      tgbgxjmfuvomdfg.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c jlgkaqtjytamy.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1764
        • C:\Windows\SysWOW64\jlgkaqtjytamy.exe
          jlgkaqtjytamy.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1372
    • C:\Windows\SysWOW64\vatxdoib.exe
      vatxdoib.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1972
    • C:\Windows\SysWOW64\jlgkaqtjytamy.exe
      jlgkaqtjytamy.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1112
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:816
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2020

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

            Filesize

            255KB

            MD5

            c1244f61274fcf7648fae179f8235fba

            SHA1

            65a063f1f9628e571c5a0512a0e0c79ce8193f11

            SHA256

            77593eaaaff7d238ae7f917e93977dfc4d0c707be9643eb8ab8d9154f73b94c2

            SHA512

            80457a7c7788270a6fe2501595cf94119f6fbb861343bfc62e64ea2731fea1ffbae9c85f7c402293984bce7a22a408fecc25c9915a43c1bc061355df48a9f189

          • C:\Users\Admin\Documents\PublishGet.doc.exe

            Filesize

            255KB

            MD5

            7e47734173326cd4e6e135ffcd755124

            SHA1

            49f0a74f99e524a6beda1395dc1da0672e28ad92

            SHA256

            45427ccabe5279c1ea86e6061f72aac36c80ddaa2aa303d9e466e0a0477944ec

            SHA512

            c9f5099841b7101087b0bb77207f054f97575666ebb77acebfd6b9097ed42dc426df3853eb287d22f55653d6120210c5b3beb7a705ea7eeddce9418bf7db4f74

          • C:\Windows\SysWOW64\jlgkaqtjytamy.exe

            Filesize

            255KB

            MD5

            1e6b66d5ea46e1b5151c24721653f1cd

            SHA1

            c389c3401ed1d5360ef5d1414009898ea4cf8edd

            SHA256

            fb1598eb98248b25fd9f4872d62cb7443b6512891104bc9a691b8ada63a0b5c6

            SHA512

            7de05c07f3c54e700f2a2244a245ca9d8212cfda1fb5f3d820ee0dee48599c5bb5227b52f2e8dd377f8842880d6388c6c61d9abf27117932af85a230c1ffa21a

          • C:\Windows\SysWOW64\jlgkaqtjytamy.exe

            Filesize

            255KB

            MD5

            1e6b66d5ea46e1b5151c24721653f1cd

            SHA1

            c389c3401ed1d5360ef5d1414009898ea4cf8edd

            SHA256

            fb1598eb98248b25fd9f4872d62cb7443b6512891104bc9a691b8ada63a0b5c6

            SHA512

            7de05c07f3c54e700f2a2244a245ca9d8212cfda1fb5f3d820ee0dee48599c5bb5227b52f2e8dd377f8842880d6388c6c61d9abf27117932af85a230c1ffa21a

          • C:\Windows\SysWOW64\jlgkaqtjytamy.exe

            Filesize

            255KB

            MD5

            1e6b66d5ea46e1b5151c24721653f1cd

            SHA1

            c389c3401ed1d5360ef5d1414009898ea4cf8edd

            SHA256

            fb1598eb98248b25fd9f4872d62cb7443b6512891104bc9a691b8ada63a0b5c6

            SHA512

            7de05c07f3c54e700f2a2244a245ca9d8212cfda1fb5f3d820ee0dee48599c5bb5227b52f2e8dd377f8842880d6388c6c61d9abf27117932af85a230c1ffa21a

          • C:\Windows\SysWOW64\tgbgxjmfuvomdfg.exe

            Filesize

            255KB

            MD5

            b78b496ae7bbd8d0aeac3e6d443b3fcc

            SHA1

            73603fee27cf240a3c5a0ecad1e1293f8175858c

            SHA256

            b962e7fd6ebf6eca52e31843c258113473673189d87c44df1ea47bbcb180f476

            SHA512

            254f5ab972c9b7d865e81f7ebc2eaf2acbeba4f135c305b782b6d713f94e2fbcbf081da2ab49428cfdc518f2c8d55faaad80ef32696c8f79123441004766102d

          • C:\Windows\SysWOW64\tgbgxjmfuvomdfg.exe

            Filesize

            255KB

            MD5

            b78b496ae7bbd8d0aeac3e6d443b3fcc

            SHA1

            73603fee27cf240a3c5a0ecad1e1293f8175858c

            SHA256

            b962e7fd6ebf6eca52e31843c258113473673189d87c44df1ea47bbcb180f476

            SHA512

            254f5ab972c9b7d865e81f7ebc2eaf2acbeba4f135c305b782b6d713f94e2fbcbf081da2ab49428cfdc518f2c8d55faaad80ef32696c8f79123441004766102d

          • C:\Windows\SysWOW64\unkymrhmhr.exe

            Filesize

            255KB

            MD5

            ade5953ad1a824d7b06ad58ed74cc87f

            SHA1

            4f158e0b6ee2ecd3806c18c31cd1ccd8e056464c

            SHA256

            f6a2d6647224a15fe6144222fca86e4fd857fa2548999555981cecff353c6170

            SHA512

            862e6d8624fd7273e0e400c15ec8b06bd668d4547a427401c5fdf9193cb71e38b19e0e050e174fde181cd1835f7872d5fa63fd004125184ba987f873b10099a5

          • C:\Windows\SysWOW64\unkymrhmhr.exe

            Filesize

            255KB

            MD5

            ade5953ad1a824d7b06ad58ed74cc87f

            SHA1

            4f158e0b6ee2ecd3806c18c31cd1ccd8e056464c

            SHA256

            f6a2d6647224a15fe6144222fca86e4fd857fa2548999555981cecff353c6170

            SHA512

            862e6d8624fd7273e0e400c15ec8b06bd668d4547a427401c5fdf9193cb71e38b19e0e050e174fde181cd1835f7872d5fa63fd004125184ba987f873b10099a5

          • C:\Windows\SysWOW64\vatxdoib.exe

            Filesize

            255KB

            MD5

            e8bd05a1bb0f9ce856ece28c6079d188

            SHA1

            abe6c39012bcefea801eac2fd2c8cff09ae1c565

            SHA256

            cf1ab151c1f3ac24be39d20e806be55e6f7ea2682a6d6ba2a53f4b8e8dc82fb7

            SHA512

            c416460f7b8da8d19603c13eaecda0b610c1ddc68fe18c01be972de0ae3430e7e1ac335fb6e25f26cbbf923ff1af1a7b487d66a849ca8b13f6ccdcacf92d6c16

          • C:\Windows\SysWOW64\vatxdoib.exe

            Filesize

            255KB

            MD5

            e8bd05a1bb0f9ce856ece28c6079d188

            SHA1

            abe6c39012bcefea801eac2fd2c8cff09ae1c565

            SHA256

            cf1ab151c1f3ac24be39d20e806be55e6f7ea2682a6d6ba2a53f4b8e8dc82fb7

            SHA512

            c416460f7b8da8d19603c13eaecda0b610c1ddc68fe18c01be972de0ae3430e7e1ac335fb6e25f26cbbf923ff1af1a7b487d66a849ca8b13f6ccdcacf92d6c16

          • C:\Windows\SysWOW64\vatxdoib.exe

            Filesize

            255KB

            MD5

            e8bd05a1bb0f9ce856ece28c6079d188

            SHA1

            abe6c39012bcefea801eac2fd2c8cff09ae1c565

            SHA256

            cf1ab151c1f3ac24be39d20e806be55e6f7ea2682a6d6ba2a53f4b8e8dc82fb7

            SHA512

            c416460f7b8da8d19603c13eaecda0b610c1ddc68fe18c01be972de0ae3430e7e1ac335fb6e25f26cbbf923ff1af1a7b487d66a849ca8b13f6ccdcacf92d6c16

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \??\c:\Program Files\SubmitExpand.doc.exe

            Filesize

            255KB

            MD5

            fed64f985cdfff25dec2302f18fde6c2

            SHA1

            aac1bd92c5a6be9e159a5e5ef6bea34e223ff149

            SHA256

            eca38ca42184414fb44e84f8d2194595b5de4f5a769ea12f4fcfc057956f0fd2

            SHA512

            dfda4785e245884cb3339e9270628bcc345d2c852a1084fd69098e670a27f83c404644c05e35f793a05b81635e5ba3d416e5557fd3a115a4df733d9249bd9978

          • \Windows\SysWOW64\jlgkaqtjytamy.exe

            Filesize

            255KB

            MD5

            1e6b66d5ea46e1b5151c24721653f1cd

            SHA1

            c389c3401ed1d5360ef5d1414009898ea4cf8edd

            SHA256

            fb1598eb98248b25fd9f4872d62cb7443b6512891104bc9a691b8ada63a0b5c6

            SHA512

            7de05c07f3c54e700f2a2244a245ca9d8212cfda1fb5f3d820ee0dee48599c5bb5227b52f2e8dd377f8842880d6388c6c61d9abf27117932af85a230c1ffa21a

          • \Windows\SysWOW64\jlgkaqtjytamy.exe

            Filesize

            255KB

            MD5

            1e6b66d5ea46e1b5151c24721653f1cd

            SHA1

            c389c3401ed1d5360ef5d1414009898ea4cf8edd

            SHA256

            fb1598eb98248b25fd9f4872d62cb7443b6512891104bc9a691b8ada63a0b5c6

            SHA512

            7de05c07f3c54e700f2a2244a245ca9d8212cfda1fb5f3d820ee0dee48599c5bb5227b52f2e8dd377f8842880d6388c6c61d9abf27117932af85a230c1ffa21a

          • \Windows\SysWOW64\tgbgxjmfuvomdfg.exe

            Filesize

            255KB

            MD5

            b78b496ae7bbd8d0aeac3e6d443b3fcc

            SHA1

            73603fee27cf240a3c5a0ecad1e1293f8175858c

            SHA256

            b962e7fd6ebf6eca52e31843c258113473673189d87c44df1ea47bbcb180f476

            SHA512

            254f5ab972c9b7d865e81f7ebc2eaf2acbeba4f135c305b782b6d713f94e2fbcbf081da2ab49428cfdc518f2c8d55faaad80ef32696c8f79123441004766102d

          • \Windows\SysWOW64\unkymrhmhr.exe

            Filesize

            255KB

            MD5

            ade5953ad1a824d7b06ad58ed74cc87f

            SHA1

            4f158e0b6ee2ecd3806c18c31cd1ccd8e056464c

            SHA256

            f6a2d6647224a15fe6144222fca86e4fd857fa2548999555981cecff353c6170

            SHA512

            862e6d8624fd7273e0e400c15ec8b06bd668d4547a427401c5fdf9193cb71e38b19e0e050e174fde181cd1835f7872d5fa63fd004125184ba987f873b10099a5

          • \Windows\SysWOW64\vatxdoib.exe

            Filesize

            255KB

            MD5

            e8bd05a1bb0f9ce856ece28c6079d188

            SHA1

            abe6c39012bcefea801eac2fd2c8cff09ae1c565

            SHA256

            cf1ab151c1f3ac24be39d20e806be55e6f7ea2682a6d6ba2a53f4b8e8dc82fb7

            SHA512

            c416460f7b8da8d19603c13eaecda0b610c1ddc68fe18c01be972de0ae3430e7e1ac335fb6e25f26cbbf923ff1af1a7b487d66a849ca8b13f6ccdcacf92d6c16

          • \Windows\SysWOW64\vatxdoib.exe

            Filesize

            255KB

            MD5

            e8bd05a1bb0f9ce856ece28c6079d188

            SHA1

            abe6c39012bcefea801eac2fd2c8cff09ae1c565

            SHA256

            cf1ab151c1f3ac24be39d20e806be55e6f7ea2682a6d6ba2a53f4b8e8dc82fb7

            SHA512

            c416460f7b8da8d19603c13eaecda0b610c1ddc68fe18c01be972de0ae3430e7e1ac335fb6e25f26cbbf923ff1af1a7b487d66a849ca8b13f6ccdcacf92d6c16

          • memory/424-108-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/424-112-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/424-91-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/816-94-0x0000000072AF1000-0x0000000072AF4000-memory.dmp

            Filesize

            12KB

          • memory/816-98-0x000000007155D000-0x0000000071568000-memory.dmp

            Filesize

            44KB

          • memory/816-96-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/816-95-0x0000000070571000-0x0000000070573000-memory.dmp

            Filesize

            8KB

          • memory/816-109-0x000000007155D000-0x0000000071568000-memory.dmp

            Filesize

            44KB

          • memory/816-114-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/816-115-0x000000007155D000-0x0000000071568000-memory.dmp

            Filesize

            44KB

          • memory/892-87-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/892-104-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1108-103-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1108-86-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1112-89-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1112-106-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1324-93-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1324-85-0x00000000023A0000-0x0000000002440000-memory.dmp

            Filesize

            640KB

          • memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

            Filesize

            8KB

          • memory/1324-84-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1372-107-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1372-90-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1972-88-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1972-105-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1972-113-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/2020-111-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

            Filesize

            8KB