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Overview

overview

10

Static

static

5

1dd267c95f...78.exe

windows7-x64

10

1dd267c95f...78.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 12:19

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General

  • Target

    1dd267c95fb82de848d0262b1b66bc78.exe

  • Size

    512KB

  • MD5

    1dd267c95fb82de848d0262b1b66bc78

  • SHA1

    500f1bee0954db7938bd6768dbcc6a83492d8d47

  • SHA256

    5079511925112402438b5b56358e81e09514239e16c787620b8f562ec41a88b2

  • SHA512

    21782e675e0fca9c202cd716be92f6aeb9ece4f2b6ad9535e71f14b5c95b59ae69181f5493026fd92b87916ce2c6cc33af58405f2fe24e5e1f00deb3de1f0c33

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6/: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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 8 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\1dd267c95fb82de848d0262b1b66bc78.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd267c95fb82de848d0262b1b66bc78.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:2072
    • C:\Windows\SysWOW64\dfrsrrqyes.exe
      dfrsrrqyes.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:2336
      • C:\Windows\SysWOW64\xsdrugxu.exe
        C:\Windows\system32\xsdrugxu.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2720
    • C:\Windows\SysWOW64\unwjhglqzdzzvcj.exe
      unwjhglqzdzzvcj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2804
    • C:\Windows\SysWOW64\xsdrugxu.exe
      xsdrugxu.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:2680
    • C:\Windows\SysWOW64\kngqmlvjyztda.exe
      kngqmlvjyztda.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2092
    • 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:2796
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      08a01861c7ac56e2ebe0da6db3291453

      SHA1

      d10a42240d64ca5bae3b7e7f92a48c821ca04f86

      SHA256

      beb60d8e0760ce92929c3ae8d9bdc036162ccebde7862460cff9dabc6be2c45f

      SHA512

      bb43583d64718651a5d99e21ab742d2e5df9f1a08e5bb0a879b2f2c229dea747b24f3a1faa73015daed21f5aa7b3edbe032884d0b5abbb683fb8e0a3a076ea6f

      Download Submit

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

      512KB

      MD5

      84eb6ea1d7a52c49e6f69186a3fb9f98

      SHA1

      7f9213d0d2e34838c697cc851056dd4acb4a3d8c

      SHA256

      2d9bbf0678586acc69ca0e60557d7a3851d825ba928805e723a9f7a6f155cb4d

      SHA512

      0813dcf5a81b59b7a2e8863766202eaa40f5408d6d1e7affbf14580ceef6e4301199ea76f91f8f33d103646df38eb143aec54fa940a6b4adef0939dfbb78020f

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\dfrsrrqyes.exe
      Filesize

      512KB

      MD5

      ea78318e3749c79009501c42ec1bf6a3

      SHA1

      f1885868a63e94981cd8aaf54513ae77c12aa2b7

      SHA256

      0865000454a5951acb0e5c28a3dca467a483fb8fc8fbbdfdb27d8f1708fb8c5f

      SHA512

      07c2706373d1a69c64d2bbb1df3dc6771e0fdd4d24f71dc0a2006b3f4d8e2a4457101a49dbc587b13c251600cfc7a32b839cc8b79939318792b776d86e25dedc

      Download Submit

    • \Windows\SysWOW64\kngqmlvjyztda.exe
      Filesize

      512KB

      MD5

      758bef56ada8af68ed40242980bb07a3

      SHA1

      27f8f0d0e7777d60bd8bc9a46ce49ca2c3b86d65

      SHA256

      26e51c9a7f9675e49615c2c040f0070754827816d0c5459c2d21e1a5a438076d

      SHA512

      b9bafcf9f5f48eb7dbb394ae8b815297b6de9cc8f46a80426a580f3cff32318ca96777809f461be278fcf8cc0d1915a285b79bc8fddb35e535447ddb9281e568

      Download Submit

    • \Windows\SysWOW64\xsdrugxu.exe
      Filesize

      512KB

      MD5

      d4c70efa41eefc1bcd2cbe36f72e2d5b

      SHA1

      61fe2c1b323512a37fd0e0dd2f20fcfb2af5f23b

      SHA256

      9c3b6bdf3c428b3eacede6dd1124c224e17c2615255cc65a03401b8c1e8f8b7c

      SHA512

      3500409c65758e15428088e5a9a5bbd9a43e473f3a2064a1de729726789d9d60fe527ce1e851805c974a478f9b95f0de00745c515c13c0c8cf2ab6799a5bf9ab

      Download Submit

    • memory/2072-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2796-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2796-47-0x0000000070C4D000-0x0000000070C58000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2796-66-0x0000000070C4D000-0x0000000070C58000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2796-45-0x000000002F191000-0x000000002F192000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2796-107-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2796-108-0x0000000070C4D000-0x0000000070C58000-memory.dmp

      Filesize

      44KB

      Download