Overview

overview

10

Static

static

5

5a5c3e6ac5...e2.exe

windows7-x64

10

5a5c3e6ac5...e2.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
    14/01/2024, 05:07

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General

  • Target

    5a5c3e6ac52f92a05aaa046a32821de2.exe

  • Size

    512KB

  • MD5

    5a5c3e6ac52f92a05aaa046a32821de2

  • SHA1

    8b17edb49a7c1c797f78769d8af58441d4ebf448

  • SHA256

    60ab55a22988e6f5dc4163d8afe32e3e2865a24a2f3568f11a561883c2ebc8ca

  • SHA512

    baf546b5de9e9c43f5cb53cf2a6a1d1c214fde0642cdd332b36ce6e5ebe566aaf9c2deb831612f8813bb87c22792e8a8b6642e420e90f38b7cba51fe60eb3e22

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6B:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5C

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 14 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\5a5c3e6ac52f92a05aaa046a32821de2.exe
    "C:\Users\Admin\AppData\Local\Temp\5a5c3e6ac52f92a05aaa046a32821de2.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:2044
    • C:\Windows\SysWOW64\mhgmlcxsoq.exe
      mhgmlcxsoq.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:2612
      • C:\Windows\SysWOW64\coqzbqcd.exe
        C:\Windows\system32\coqzbqcd.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:2728
    • C:\Windows\SysWOW64\jfbssizadngyh.exe
      jfbssizadngyh.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2904
    • C:\Windows\SysWOW64\coqzbqcd.exe
      coqzbqcd.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:2732
    • 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:2584
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2808
      • C:\Windows\SysWOW64\bhtiwldgwicecnc.exe
        bhtiwldgwicecnc.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2680

    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

      0437b0d558577072983910316ecf6d4f

      SHA1

      93db248b65525d6d557a5287809ceb60e688520e

      SHA256

      a71ae7f4a649201624b56c818a4ad6ea97666d8bdd7f2561844f9ee5ac48887f

      SHA512

      c94fec41e0d2a0a5f21eda83c546d422281eb264193f91dab22ca70d0bcffe6e976c6c3a2d45fcf6c99c276dd84174e4f5eecf34a33a925d9ac857c186de7988

      Download Submit

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

      20KB

      MD5

      994ab686d586468646fa6bf57454b0ee

      SHA1

      c84f6df043cd57169a35bb1bd6e410fe16fa21f0

      SHA256

      2036d9395c82a78915e89256eee6aca354ce20dc814b56a6910dd814d610e8a0

      SHA512

      68aa764f2be5012f23637ecac649a8e759958c4d67c18a358983fbeb93600cf29a8ac95c893e4bc173439452f1ef69e932d8c84b7424f4339ff5a8836a9d2ab5

      Download Submit

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

      512KB

      MD5

      c249644ff75b322af4361d8b22b73f35

      SHA1

      98ec1ffcff6ecc75f3a32a61086b997626ae2500

      SHA256

      48ad22ba3fca676006545f7566ac32b5ccf0584216a7357c00d1371181818523

      SHA512

      18d0db3845732916d44820fd655c155f59417243d4d11eeb018786ad8b2b199f7b2b7fc7112589fbddb8fd85fef20a7853929ffba1925d7424a9cf519c5bd02f

      Download Submit

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

      512KB

      MD5

      0f28d38119265467e43e1659972e1917

      SHA1

      0e5c723a4022da81935ed4bdf551c0215e189a58

      SHA256

      e3cb1b1732750ff3993112f2ae147b2ed8da4935e64477c5ab797e62f957b31e

      SHA512

      e8ced5b73e6e906aea8faf2dd422fef91e9e1a774c5196dc5f96198b45e35d5f590e10907793bbb9f734a8861f82930b814988083515828aef34f3a7f3482af5

      Download Submit

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

      512KB

      MD5

      82124828f138bdc3764df12e56b6a51a

      SHA1

      0cd40142cd8756a2b9861e8c6f9fd7de064b4aa7

      SHA256

      8419128b3fe328fdb40b00d1a21f7acb495b3ce7a5cfff4e282712cc509729e9

      SHA512

      77b1df2402b5ed060f29c085404c8a2c2e52577bf5284a1372d37719471266b8af50de806f1857b2683fbb292501de1acae5d6a0b3aada5fff0b9cdea7aaa057

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\coqzbqcd.exe
      Filesize

      473KB

      MD5

      c688a629088e5eb8824819c42cc14a75

      SHA1

      d37baeec5a3bf94ac5b3054d21b1bfd713ee6fd3

      SHA256

      d244afd7613f1acd0a8f2261a04337ce0d60fbe4a35bc4dfd35f26aa3171cc99

      SHA512

      397c31b7b416c7d8b130e0590a1b1655fdecee4c46bbbce7f05208d11773076024b656736bf30ea509de5a4ab4eaba8055565066f3999f3437441c5bff3748b0

      Download Submit

    • \Windows\SysWOW64\mhgmlcxsoq.exe
      Filesize

      512KB

      MD5

      af9bee9ee470712c9916f4d0975cf771

      SHA1

      cdc86a765a35044c0ec45a9b2543b9cf711296e4

      SHA256

      cad24f08547406dfe0a2cc20d94428fff49850ed8b2ec63f225155d86aa46392

      SHA512

      214e56fe36b493135ad0762cd8ff36e0432673e50928c68cacd57d0d12a97bc940885f36fdd226fc8fce14e5302703343ac5d9c314365defaca9a2b82a0d5fe6

      Download Submit

    • memory/2044-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2584-47-0x0000000070C6D000-0x0000000070C78000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2584-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2584-45-0x000000002FE21000-0x000000002FE22000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2584-76-0x0000000070C6D000-0x0000000070C78000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2584-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download