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Overview

overview

10

Static

static

5

33f6ad4510...fb.exe

windows7-x64

10

33f6ad4510...fb.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 18:18

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General

  • Target

    33f6ad45101924695ada416233770cfb.exe

  • Size

    512KB

  • MD5

    33f6ad45101924695ada416233770cfb

  • SHA1

    0ff77081cfa9f9a5b3593a2462548d59516054d1

  • SHA256

    6d8dc1060bb48b1689e1ff4f705551476255d58fbfecf67e3a92d9cd3be8c582

  • SHA512

    2ea14184a82e16a39c099d7b476816f54f058de22e546ac29778db8fabff702eb6e144aed06a1ad03c423fc61f17ea54ce324f4bb39da8a637a7825335f4711c

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6P:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5U

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 8 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).

  • 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 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33f6ad45101924695ada416233770cfb.exe
    "C:\Users\Admin\AppData\Local\Temp\33f6ad45101924695ada416233770cfb.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:2380
    • C:\Windows\SysWOW64\xkgselutuc.exe
      xkgselutuc.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:2640
      • C:\Windows\SysWOW64\hxvejnty.exe
        C:\Windows\system32\hxvejnty.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:2484
    • C:\Windows\SysWOW64\gmjdzhoevllfxwy.exe
      gmjdzhoevllfxwy.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2776
    • C:\Windows\SysWOW64\hxvejnty.exe
      hxvejnty.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:2580
    • 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:2736
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2780
      • C:\Windows\SysWOW64\xawcasonokygh.exe
        xawcasonokygh.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2664

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      512KB

      MD5

      f0f1aa37e68f1e3379f9323b2de5606f

      SHA1

      babcbab37b498864172be82a2d26e7d78e25005b

      SHA256

      e0622837f40ffeab2e01b7932c1ef96ff01eaae02386cdcbab7509d0e74e7be8

      SHA512

      be071e51b831bac11f5d6476fb396ba7b7ef9462f925ec46d8575eb5712432b8bd8ff4c4030ffa97387baffb47d0f9efae0dcbce528994ab4f08c8e478675907

      Download Submit

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

      257KB

      MD5

      d3a4c6dd9b4c5e977140cc4359d964e3

      SHA1

      28301bbce69c8b2e489ff713570e540480d06e36

      SHA256

      2fcd6649cae0217107ceb02bef676d9c37fbfb01e2d28abcb5850d128e962684

      SHA512

      35eb782628461576b9f4842170989f76fedf9a99b72ef706d9d39a9777e28da4c1e575104e6a86732831d28f07b040bcd61032d3b95eafd71fa059adfba86efe

      Download Submit

    • C:\Users\Admin\Documents\UpdateRestart.doc.exe
      Filesize

      512KB

      MD5

      0f901155c9bb6885c0e84b51b296046d

      SHA1

      1a56183659ed4bde5164198cfa301a70e4c8cbfa

      SHA256

      70391e210c47d1d1f6ff097422176f59aebd18df72bf3fcf57ab4c1ebc306d4d

      SHA512

      0f35a7ac8d43158812c01c772be5868683624114e5067c06eaa8c85c24fc2983b708da7f30f8958b401a57a859e4facd6b73c67912ec1349377f33cfa9859dda

      Download Submit

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

      512KB

      MD5

      7a4e45c7bf03355adc4853b57ad5b2e8

      SHA1

      c2be3be28b577cbea338fd1360fe06ad484a4849

      SHA256

      8a951932c1ddc0c5ae54e50ee166738b8a521a80d4766a77a983aa3a79af5ef1

      SHA512

      a6d1f4ef86d618732938f49c6cc8166ebfe85b0efb8b51eb4d3b23b9e33ca116da1d55602e8ef507354e76070e71afff3f2ef6bb0bd7744d7e643e6719a32f26

      Download Submit

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

      512KB

      MD5

      7a9e4137786608e33e8a052b9c195415

      SHA1

      a3d5bad9343b555798de18abd531c011bdcc72e2

      SHA256

      0dbe7452fb30227374519fc4d83bb6b6d81cbc78c091ae508b4827a6a9f51080

      SHA512

      b4ae5eb5d49b738c4a12874bf0b9a75d80fd4f03cc576ffcaf411da6802779560d304c934628abb80d7a1c5f72923265085516fb21b7f2ee847c093210682a85

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    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\hxvejnty.exe
      Filesize

      512KB

      MD5

      34ca47bc0523e0fa4d13c23b271c5d73

      SHA1

      c2415d49e5f5aef2c9c4182669da0f7bb95bb082

      SHA256

      7d1f878432565edbe14ec6e93f2fd10c92ae3053062bbc43914f39af9406d079

      SHA512

      c23f86f294d9980874f07390309c138c97dc26a47e2ff666b3a60fe9d0bd9738cd01f1f67f0d4ad33edd39edd585d83b1bb54ba09916b4344b932e136537719c

      Download Submit

    • \Windows\SysWOW64\xkgselutuc.exe
      Filesize

      512KB

      MD5

      074523dee4cad3604c8641597d9de081

      SHA1

      909206d46509791efc169a6b32fe0529b2e54404

      SHA256

      29eab3486f6246f84f9d3189392bb3ec008a698cdcbcb621d0c98e9f6ad6e188

      SHA512

      a60aab1f489f55bbc4e80ff2ce65ac7267ee27e28f5039b26ade702f28596ecb15cac8c6fcdfe3c8ea2c042af84dc563f95563f346c06658f27c14ae437774d7

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    • memory/2380-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2736-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2736-47-0x000000007126D000-0x0000000071278000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2736-45-0x000000002F0E1000-0x000000002F0E2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2736-81-0x000000007126D000-0x0000000071278000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2736-102-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download