Overview

overview

10

Static

static

5

b933133d37...41.exe

windows7-x64

10

b933133d37...41.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2024, 16:56

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General

  • Target

    b933133d378f35ef67a93f4334c9da41.exe

  • Size

    512KB

  • MD5

    b933133d378f35ef67a93f4334c9da41

  • SHA1

    b4ad1a8fc351de4b95fae1c62b5a3b2daaf97070

  • SHA256

    b61dd3c7e12ff2c1a05152e36f28395a0038e80b654f86b98b815668fc8343c5

  • SHA512

    176cff9f58682cdbc003988dbd0abea778cc430600f06049f7497a0119d0166d58760c654625256d8160b0945d917050f802ee2386e736095bdadae17dd5d7a7

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6p:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\b933133d378f35ef67a93f4334c9da41.exe
    "C:\Users\Admin\AppData\Local\Temp\b933133d378f35ef67a93f4334c9da41.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:1968
    • C:\Windows\SysWOW64\rnketyvuqu.exe
      rnketyvuqu.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:2332
      • C:\Windows\SysWOW64\pwycksln.exe
        C:\Windows\system32\pwycksln.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2592
    • C:\Windows\SysWOW64\tgkyiojvpwrgjgy.exe
      tgkyiojvpwrgjgy.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2028
    • C:\Windows\SysWOW64\pwycksln.exe
      pwycksln.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:2884
    • C:\Windows\SysWOW64\hfurrcqwbnurl.exe
      hfurrcqwbnurl.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1164
    • 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:2576
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1632
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      9241d98a36a536a21419e81c497db3ed

      SHA1

      8aeb4428029220eb8314c133b414b198cfd1e137

      SHA256

      5dea67a65e03837797b6bb9d55a8fb7e7fe51cfe2b7c9e22802b6efdadfd5af7

      SHA512

      0adf16ca81fcbe5d2debd9e46e1d292abe83177961160d76b90ae81b02ac23daab8ff7144199d7daf5d6bcdefe6768c7bf665f45ed3f2e1b6f3c6eac6fc60933

      Download Submit

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

      512KB

      MD5

      b99c137aff2c3d80940e84a2a1a2e61b

      SHA1

      006804c0e2b73918cfa05982193a0f3af43ebcae

      SHA256

      fe411f149560ce005dabe53a22fef8e79504e77990773ec9c0c0d8db338b7b8d

      SHA512

      dbb4f0ddfdd08de24fafc9554ee06faa6884b64d1e42af531318858a594802727083386275f8377c576555684a6923fd2e188c7286d56975ff5f1e0dd2c08519

      Download Submit

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

      512KB

      MD5

      acaef679c1409fe355d9e7d565bd16e8

      SHA1

      cfb5bf8a212bbf426729533289bb5df44777ca49

      SHA256

      51c714ac8381d791225c5c123887c8e66d64b44e4a166310d45806e530db3c0a

      SHA512

      db4cb00de668f18c66dd6c7f2593f2a695a3c1e84c0fcf7e4055e012ff7d3a20eaf9534c81fbb3fe7fee00e88a6e817eb0bf6a6e71aa0069fc06aecab62f798a

      Download Submit

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

      512KB

      MD5

      d0694da4242e47d1995a97df991f5d08

      SHA1

      b4ff3c6fee94ce46784b863000978dd5fe461998

      SHA256

      1a4f99c5b68eb92696966b628d6315c8498051d80ea033572a15d20ef6fcf183

      SHA512

      6dfddd760a00fc58a00101e9404ba5ee83b7f6a01d430f65e522b0de916081e930d99756c8935facfcb82d8ed23bd6ba077b9dba79bf523b255c634e58431433

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\hfurrcqwbnurl.exe
      Filesize

      512KB

      MD5

      7138e7c2c48cab35cb3714e4c0b5afa5

      SHA1

      c7d160ea9db1688a10ff24e80a49769588fbf2e8

      SHA256

      4eb437d7be2742aba0960f03fd1900cd82bf2465b0361ee4e3d656468644a308

      SHA512

      f459a86bb2487dab82bd2d539e54d1abaa58492df6d4c8001511bbfe65104caf84ee9474c756b8e47d5357b0a150c667da9bfce3f457a675d0870af285473ad1

      Download Submit

    • \Windows\SysWOW64\rnketyvuqu.exe
      Filesize

      512KB

      MD5

      b55933fb58074386bca6b9686979b28f

      SHA1

      f74a5cd8b311c64acdcd8743051c852a023339df

      SHA256

      e63e3523b4eb05be9b8ee25388690c9ce8338804171fdc1c637997b148ad099a

      SHA512

      c6d05978309f56f33a51f939475ab5310cd4948bd679790ee9081fc5a21f62e600974e56059929f971a1e8a827b918c1f96864eedd12e1fd6e7da0b1672bad48

      Download Submit

    • memory/1968-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2576-45-0x000000002F151000-0x000000002F152000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2576-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2576-47-0x00000000718FD000-0x0000000071908000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2576-80-0x00000000718FD000-0x0000000071908000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2856-75-0x0000000004060000-0x0000000004061000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2856-81-0x0000000004060000-0x0000000004061000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2856-87-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

      Filesize

      64KB

      Download