Overview

overview

10

Static

static

5

7275c4f3b8...3b.exe

windows7-x64

10

7275c4f3b8...3b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 13:28

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General

  • Target

    7275c4f3b872ee1d583727624dbd043b.exe

  • Size

    512KB

  • MD5

    7275c4f3b872ee1d583727624dbd043b

  • SHA1

    e2739fd3d118d7cb76d9aa11ca146fba08b10d5e

  • SHA256

    1adcf3655481103f075d482b6ed17c6544da44cb7eb486223f7bfcd777178ab3

  • SHA512

    082ae250534c033f94e5ede6d7e330d4dd5b96d4140afcae0b3aa756c737714e8e471d21755a424c5fdc8a78e0da3d6cc448deb95ecad1cadcfade43a3a3f06d

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6q:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5r

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 7 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).

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7275c4f3b872ee1d583727624dbd043b.exe
    "C:\Users\Admin\AppData\Local\Temp\7275c4f3b872ee1d583727624dbd043b.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:2196
    • C:\Windows\SysWOW64\rzxzhverlu.exe
      rzxzhverlu.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:2388
      • C:\Windows\SysWOW64\xyfszwaq.exe
        C:\Windows\system32\xyfszwaq.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:2464
    • C:\Windows\SysWOW64\sodqvugcaztojmi.exe
      sodqvugcaztojmi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2016
    • C:\Windows\SysWOW64\xyfszwaq.exe
      xyfszwaq.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:2308
    • C:\Windows\SysWOW64\dyaelgucohpgs.exe
      dyaelgucohpgs.exe
      2⤵
      • Executes dropped EXE
      PID:2672
    • 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:2616
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      f7b5edea1bf07ec1a1be15fc2926165b

      SHA1

      9cda8887308806c7816e36ff9eab6a4b3e85d7b8

      SHA256

      657854f720db634af13b45e2081d551f10628e2184f4701f72afdd73d61f27c8

      SHA512

      836748b78a784588ef1e04325197dfeb5fe3351d8a0ff9aeaa6927244e4741dd3c560bbc7f45233e0cc64f39a621ec6da7768585b67dd9746018da25b093ea21

      Download Submit

    • C:\Program Files\OutClose.doc.exe
      Filesize

      512KB

      MD5

      dbe73d16b2387c2d6d6ab8b150e91510

      SHA1

      33d706e47eab45b0e5730937b0591e51bafd9df3

      SHA256

      38b3751745237afe1c334a8e795a95aef7779f25a69d7ba5ae4441aa4ea7ab92

      SHA512

      5affb1c3d0249dddf8eb6220d228bf7910a0d114ca0943ea6413c3b3e40b1e5da79f35cdcac428f3f3777cac0ffa9097adb1d6191a3c222a20c0666170ad01b8

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
      Filesize

      68B

      MD5

      a7a27f88ffa7ba40afd17e042b065a4d

      SHA1

      d028c90587d6fac87f178763ee5e5b6f9ccca6a8

      SHA256

      0977b07b4ed91356dbf3196df19840611ba6d8cdef7c294bf74bcb03c45f406d

      SHA512

      fb003649d7261005b8d2315d022e44b9377d17409183471718da3b05853714f0ce569de8d595a85ef7879a6ebbdaeded8e813d5cb486e3f411168f25b717d9dd

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      0e0c62a72da7b5df052e49afd74860af

      SHA1

      8e880ce489d306be5b3e0bca705391b70133a57f

      SHA256

      3cd56e36a892cfb4893b2d1508e3c6e1947c87a2648eff8cfaf971d77f0cfafb

      SHA512

      4e2b30422455cdfb3d3c2667e8d00e1e68a2a479bad2c711a069121731563d8d141e14ebb0d9d057aa6fe4dd8be6e0a840ae50e4ed15380faef4ff8dc3a924c8

      Download Submit

    • C:\Windows\SysWOW64\sodqvugcaztojmi.exe
      Filesize

      512KB

      MD5

      678e97f01f51b064c49d81faa111594d

      SHA1

      cbe19ba8d2d9472c04d9e6bb725c03c0617ef44d

      SHA256

      1787baf408a522564df24e0c3720e6aca932f14f6a78faa5cfa36ddb49beb855

      SHA512

      026ae6f8bbf021b621a4fad7883afc13b081a4ca89d23979947e60ea1d0a6bf955f8b5402c72d862a80f51f65847bb3401aec7b95de9b9136222edfc7532b396

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\dyaelgucohpgs.exe
      Filesize

      512KB

      MD5

      ae3ef9c7bcf591bf7126c661d7d6b5d6

      SHA1

      6b3d6f8ec77c1a0844d900f57ad0591b61f32e7c

      SHA256

      44e853d852839431e1fbdee147c928096abd670df86a7c3109e68e50fe919cdf

      SHA512

      7d0212bb17267de30b7713f1d768ab7efff1d77234c80f12dfc1b44e8a39410ba53fb10dec07ded667ffc1cf7a665b02ac3591f056e373e8a218a1516ba0b080

      Download Submit

    • \Windows\SysWOW64\rzxzhverlu.exe
      Filesize

      512KB

      MD5

      62a857d86ed806f2e84bd2211db77e1a

      SHA1

      7a966be2bd66ab2ccc8d46c6796ce4450b57e08c

      SHA256

      9091c21bf6587872d112ca39ef18ba4e93b0f6e1109a89e3639a128e30c9b99b

      SHA512

      5444e938271bb1f6d49625cb8b8796a1342ad0e6c95cd6fc4059a0c59f792d563a79c4b98700f7efcecc33e0ac124bfa19b114474bfa3c06d9a5c1e8005ffd2a

      Download Submit

    • \Windows\SysWOW64\xyfszwaq.exe
      Filesize

      512KB

      MD5

      1ec3af54eaaf34fcfdf630cb9ae94ff8

      SHA1

      32367560a804e10ded718bb8edfa58eb01a558ef

      SHA256

      42c7699f631a7038617ba6821e063e47bc0609076d8fa98f5ca79e6d5bfd3a46

      SHA512

      111dd0cf15a6360655292bdf15fa3cb355ed097bfdad8741e88e85885a8e663229f723cbbb35d090cb37a18cfd13471fd69e918cef4888d7b9119cd46578ae20

      Download Submit

    • memory/2196-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2616-46-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2616-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2616-44-0x000000002FC81000-0x000000002FC82000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2616-86-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2616-107-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download