Analysis

  • max time kernel
    150s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 09:37

General

  • Target

    29f13d9d338620a65275b07169bdafc25ab6129aac3f63581541aae0c99e9e38.exe

  • Size

    255KB

  • MD5

    78acf165f0969f340fdf40bff6cde495

  • SHA1

    f2556b32d49b35bce2bfb9424f3f9a74cab06757

  • SHA256

    29f13d9d338620a65275b07169bdafc25ab6129aac3f63581541aae0c99e9e38

  • SHA512

    1f8911589797fb1f581d214ffd64dc84bd059b07f29765a29243c8bcf1984e123eb9e286f1d8e3ab48b5090a2be0eb5e55401ed94d7046c2228c3ff97af420bc

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ1:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIK

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 32 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 14 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 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 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29f13d9d338620a65275b07169bdafc25ab6129aac3f63581541aae0c99e9e38.exe
    "C:\Users\Admin\AppData\Local\Temp\29f13d9d338620a65275b07169bdafc25ab6129aac3f63581541aae0c99e9e38.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:1464
    • C:\Windows\SysWOW64\acmqykgpyn.exe
      acmqykgpyn.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:1704
      • C:\Windows\SysWOW64\vwysdosf.exe
        C:\Windows\system32\vwysdosf.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:1664
    • C:\Windows\SysWOW64\evewubvvmiinjdg.exe
      evewubvvmiinjdg.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:1684
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c qxogushorschr.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\SysWOW64\qxogushorschr.exe
          qxogushorschr.exe
          4⤵
          • Executes dropped EXE
          PID:980
    • C:\Windows\SysWOW64\vwysdosf.exe
      vwysdosf.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:2024
    • C:\Windows\SysWOW64\qxogushorschr.exe
      qxogushorschr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1616
    • 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:552
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1516

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files\OutImport.doc.exe

            Filesize

            255KB

            MD5

            4156784bf981096c2a526b12d890d75a

            SHA1

            77a4d760b519df1bbb8bf7071b5a40a5a3d46a1e

            SHA256

            93ba1db082751504832d06ea418574686e10c5881bee46b7101bfc96faef4e23

            SHA512

            7fb75856b4ade5846e5b0a665e342ee11ff81c0405b0f2f4ba6b135470bb18621b7e9ee2d15596c8b224163ab850ec778459eed17879a6fdd524964172d9f7c9

          • C:\Windows\SysWOW64\acmqykgpyn.exe

            Filesize

            255KB

            MD5

            ce149b6e35e8bdfda26dee7f3359f5f7

            SHA1

            3d5f57632d3267d588ea393eabf6db13f3bf3848

            SHA256

            124b30d23006a8f1f23f79b27f04de004026f5656091b6fef24966d9803fd9c4

            SHA512

            6226f793d21188a39981e6461a5390b27ffa0a20823e4131685f16d05a2602f535601be1bfe1982184565bae5ff66c4f9b7428fd58bb6435bd0dce8b2033a27c

          • C:\Windows\SysWOW64\acmqykgpyn.exe

            Filesize

            255KB

            MD5

            ce149b6e35e8bdfda26dee7f3359f5f7

            SHA1

            3d5f57632d3267d588ea393eabf6db13f3bf3848

            SHA256

            124b30d23006a8f1f23f79b27f04de004026f5656091b6fef24966d9803fd9c4

            SHA512

            6226f793d21188a39981e6461a5390b27ffa0a20823e4131685f16d05a2602f535601be1bfe1982184565bae5ff66c4f9b7428fd58bb6435bd0dce8b2033a27c

          • C:\Windows\SysWOW64\evewubvvmiinjdg.exe

            Filesize

            255KB

            MD5

            08475817dec826dd988ddb4c6984b7ff

            SHA1

            6b4fdd45e797d32ad2cb1736a845992d69a06322

            SHA256

            c97ea90ad97e8a0d3ec71eb92e77446a8f5f5f7b29f76b06918efa8e742df786

            SHA512

            7a714e1c1e73ccbf02b60bb0733f00a05bda1e07a6b7471fc43c034e4d2eb18d8b279e539c27489f19dde332902316e108a89e619f4ed0a8fbca4db6dc36d67f

          • C:\Windows\SysWOW64\evewubvvmiinjdg.exe

            Filesize

            255KB

            MD5

            08475817dec826dd988ddb4c6984b7ff

            SHA1

            6b4fdd45e797d32ad2cb1736a845992d69a06322

            SHA256

            c97ea90ad97e8a0d3ec71eb92e77446a8f5f5f7b29f76b06918efa8e742df786

            SHA512

            7a714e1c1e73ccbf02b60bb0733f00a05bda1e07a6b7471fc43c034e4d2eb18d8b279e539c27489f19dde332902316e108a89e619f4ed0a8fbca4db6dc36d67f

          • C:\Windows\SysWOW64\qxogushorschr.exe

            Filesize

            255KB

            MD5

            cdd708203c7158a257dc8cfd0a472319

            SHA1

            6053e60ca13204cd30f6472abf96cfeab6942158

            SHA256

            8957c8561af28a82997bcf581dce331442036b2321eff48955a0d9b679195c40

            SHA512

            88c57f3404b91fdfc96fefa259a4872fc505c52ebf7afc1f6bf945f17fcb69e76c8c5ef7dc87eb056156e521f39f20c494e3bd290ca3c5dfc8ed0bd4d6a37966

          • C:\Windows\SysWOW64\qxogushorschr.exe

            Filesize

            255KB

            MD5

            cdd708203c7158a257dc8cfd0a472319

            SHA1

            6053e60ca13204cd30f6472abf96cfeab6942158

            SHA256

            8957c8561af28a82997bcf581dce331442036b2321eff48955a0d9b679195c40

            SHA512

            88c57f3404b91fdfc96fefa259a4872fc505c52ebf7afc1f6bf945f17fcb69e76c8c5ef7dc87eb056156e521f39f20c494e3bd290ca3c5dfc8ed0bd4d6a37966

          • C:\Windows\SysWOW64\qxogushorschr.exe

            Filesize

            255KB

            MD5

            cdd708203c7158a257dc8cfd0a472319

            SHA1

            6053e60ca13204cd30f6472abf96cfeab6942158

            SHA256

            8957c8561af28a82997bcf581dce331442036b2321eff48955a0d9b679195c40

            SHA512

            88c57f3404b91fdfc96fefa259a4872fc505c52ebf7afc1f6bf945f17fcb69e76c8c5ef7dc87eb056156e521f39f20c494e3bd290ca3c5dfc8ed0bd4d6a37966

          • C:\Windows\SysWOW64\vwysdosf.exe

            Filesize

            255KB

            MD5

            9468418e06126002f0086be87ad9f0f7

            SHA1

            dd764d41bb033bf073366f7f0afc67e58ef900b7

            SHA256

            c85db601e8b4f228955026eb13f82601ee17ff32a4d6aa0908a34041721c29e4

            SHA512

            5d259a8e832b625358ce9aabea0a1502c69ce5f002cd102dcd1833940a45a66f0c89ab38f68f31cdb5820f69a3a17a55fef64bda554b9d061a4b004622837ca7

          • C:\Windows\SysWOW64\vwysdosf.exe

            Filesize

            255KB

            MD5

            9468418e06126002f0086be87ad9f0f7

            SHA1

            dd764d41bb033bf073366f7f0afc67e58ef900b7

            SHA256

            c85db601e8b4f228955026eb13f82601ee17ff32a4d6aa0908a34041721c29e4

            SHA512

            5d259a8e832b625358ce9aabea0a1502c69ce5f002cd102dcd1833940a45a66f0c89ab38f68f31cdb5820f69a3a17a55fef64bda554b9d061a4b004622837ca7

          • C:\Windows\SysWOW64\vwysdosf.exe

            Filesize

            255KB

            MD5

            9468418e06126002f0086be87ad9f0f7

            SHA1

            dd764d41bb033bf073366f7f0afc67e58ef900b7

            SHA256

            c85db601e8b4f228955026eb13f82601ee17ff32a4d6aa0908a34041721c29e4

            SHA512

            5d259a8e832b625358ce9aabea0a1502c69ce5f002cd102dcd1833940a45a66f0c89ab38f68f31cdb5820f69a3a17a55fef64bda554b9d061a4b004622837ca7

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\acmqykgpyn.exe

            Filesize

            255KB

            MD5

            ce149b6e35e8bdfda26dee7f3359f5f7

            SHA1

            3d5f57632d3267d588ea393eabf6db13f3bf3848

            SHA256

            124b30d23006a8f1f23f79b27f04de004026f5656091b6fef24966d9803fd9c4

            SHA512

            6226f793d21188a39981e6461a5390b27ffa0a20823e4131685f16d05a2602f535601be1bfe1982184565bae5ff66c4f9b7428fd58bb6435bd0dce8b2033a27c

          • \Windows\SysWOW64\evewubvvmiinjdg.exe

            Filesize

            255KB

            MD5

            08475817dec826dd988ddb4c6984b7ff

            SHA1

            6b4fdd45e797d32ad2cb1736a845992d69a06322

            SHA256

            c97ea90ad97e8a0d3ec71eb92e77446a8f5f5f7b29f76b06918efa8e742df786

            SHA512

            7a714e1c1e73ccbf02b60bb0733f00a05bda1e07a6b7471fc43c034e4d2eb18d8b279e539c27489f19dde332902316e108a89e619f4ed0a8fbca4db6dc36d67f

          • \Windows\SysWOW64\qxogushorschr.exe

            Filesize

            255KB

            MD5

            cdd708203c7158a257dc8cfd0a472319

            SHA1

            6053e60ca13204cd30f6472abf96cfeab6942158

            SHA256

            8957c8561af28a82997bcf581dce331442036b2321eff48955a0d9b679195c40

            SHA512

            88c57f3404b91fdfc96fefa259a4872fc505c52ebf7afc1f6bf945f17fcb69e76c8c5ef7dc87eb056156e521f39f20c494e3bd290ca3c5dfc8ed0bd4d6a37966

          • \Windows\SysWOW64\qxogushorschr.exe

            Filesize

            255KB

            MD5

            cdd708203c7158a257dc8cfd0a472319

            SHA1

            6053e60ca13204cd30f6472abf96cfeab6942158

            SHA256

            8957c8561af28a82997bcf581dce331442036b2321eff48955a0d9b679195c40

            SHA512

            88c57f3404b91fdfc96fefa259a4872fc505c52ebf7afc1f6bf945f17fcb69e76c8c5ef7dc87eb056156e521f39f20c494e3bd290ca3c5dfc8ed0bd4d6a37966

          • \Windows\SysWOW64\vwysdosf.exe

            Filesize

            255KB

            MD5

            9468418e06126002f0086be87ad9f0f7

            SHA1

            dd764d41bb033bf073366f7f0afc67e58ef900b7

            SHA256

            c85db601e8b4f228955026eb13f82601ee17ff32a4d6aa0908a34041721c29e4

            SHA512

            5d259a8e832b625358ce9aabea0a1502c69ce5f002cd102dcd1833940a45a66f0c89ab38f68f31cdb5820f69a3a17a55fef64bda554b9d061a4b004622837ca7

          • \Windows\SysWOW64\vwysdosf.exe

            Filesize

            255KB

            MD5

            9468418e06126002f0086be87ad9f0f7

            SHA1

            dd764d41bb033bf073366f7f0afc67e58ef900b7

            SHA256

            c85db601e8b4f228955026eb13f82601ee17ff32a4d6aa0908a34041721c29e4

            SHA512

            5d259a8e832b625358ce9aabea0a1502c69ce5f002cd102dcd1833940a45a66f0c89ab38f68f31cdb5820f69a3a17a55fef64bda554b9d061a4b004622837ca7

          • memory/552-107-0x0000000070B6D000-0x0000000070B78000-memory.dmp

            Filesize

            44KB

          • memory/552-110-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/552-111-0x0000000070B6D000-0x0000000070B78000-memory.dmp

            Filesize

            44KB

          • memory/552-100-0x0000000070B6D000-0x0000000070B78000-memory.dmp

            Filesize

            44KB

          • memory/552-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/552-96-0x000000006FB81000-0x000000006FB83000-memory.dmp

            Filesize

            8KB

          • memory/552-95-0x0000000072101000-0x0000000072104000-memory.dmp

            Filesize

            12KB

          • memory/980-92-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1464-84-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1464-94-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

            Filesize

            8KB

          • memory/1464-85-0x0000000002EE0000-0x0000000002F80000-memory.dmp

            Filesize

            640KB

          • memory/1516-109-0x000007FEFB5E1000-0x000007FEFB5E3000-memory.dmp

            Filesize

            8KB

          • memory/1616-105-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1616-89-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1624-90-0x0000000002080000-0x0000000002120000-memory.dmp

            Filesize

            640KB

          • memory/1664-91-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1664-112-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1664-106-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1684-103-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1684-87-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1704-86-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/1704-102-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/2024-104-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/2024-88-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB

          • memory/2024-113-0x0000000000400000-0x00000000004A0000-memory.dmp

            Filesize

            640KB