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Overview

overview

10

Static

static

5

4e17f324cb...1b.exe

windows7-x64

10

4e17f324cb...1b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2024, 10:44

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General

  • Target

    4e17f324cbc63baed09f88b5246e491b.exe

  • Size

    512KB

  • MD5

    4e17f324cbc63baed09f88b5246e491b

  • SHA1

    8a0369fe4fe47e91aaf4541e250ec2a394efd631

  • SHA256

    56180f391122f907ae12e15c1279a904b9b12f91747c36042b723996f73bbcda

  • SHA512

    7b13985663465d03a83efac144bfec852f4dfe55b6263ff0e49760f09df52c4f853031bf90893b3b74100e86b409be972c1cc6dd21af84c60c2175903107897d

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6z:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5S

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 10 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 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\4e17f324cbc63baed09f88b5246e491b.exe
    "C:\Users\Admin\AppData\Local\Temp\4e17f324cbc63baed09f88b5246e491b.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:3064
    • C:\Windows\SysWOW64\jhbbcuqwja.exe
      jhbbcuqwja.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:2216
      • C:\Windows\SysWOW64\djcfxdbf.exe
        C:\Windows\system32\djcfxdbf.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:2812
    • C:\Windows\SysWOW64\pyawueiigdele.exe
      pyawueiigdele.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2800
    • 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:2560
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1180
      • C:\Windows\SysWOW64\djcfxdbf.exe
        djcfxdbf.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:2692
      • C:\Windows\SysWOW64\hnwhttcgycuejio.exe
        hnwhttcgycuejio.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2752

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      20KB

      MD5

      4130c5a2743c4760d731aa8f729ce628

      SHA1

      f4b049eb24984b433add6b4f610e3506b39ab2c5

      SHA256

      8a55e698f450061d7387c350f7114cc6d0d3fde08f3e0622f59755144dced594

      SHA512

      3f3363121efd81560da10647feafb037da25a2fe3a6480bc18c806d8510cd81a5dff75748c90f91c0113089ce24825f75640eb374237f208bc2868897409b361

      Download Submit

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

      512KB

      MD5

      929f8b96d1b49e4bd3699ae99088778a

      SHA1

      4fe42ad6f1cbad41a4e037813bd72fa40a9e837d

      SHA256

      4038d22b1bc4157ea8eccc2f77bc3cbda156c2ce4b1717a66dd5bc7b7077d6f4

      SHA512

      f015dda8b2f74e37a6c262b75aa4219da4e3331585ac016764d2f0967cb1dc6338f82762ef9e134df9542502aafac89322927713fe2877e4fa2b50d4ec322c59

      Download Submit

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

      512KB

      MD5

      2ace71b28eaa8c2cfdba641c1b9ceec1

      SHA1

      36d17a8fccaf6930f2f40de7ec5774366a6c0222

      SHA256

      3b18c14795edf6a98330598cda2416b5dd44e0e06c4e10f0163827610bd39991

      SHA512

      f552822a27edf75c610f428b696feb53be649177817d5426907ea78749ecf2a970b49ddd73226fd9c21b7534621453ee188837d79bc7b8ad983c07fb3f81a103

      Download Submit

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

      512KB

      MD5

      a5a5fbf4662ad7172d1fd473b99ed7c6

      SHA1

      d132353e47a5d46feaab2c25dc270442034e1908

      SHA256

      0fab29a9311fc5e9fb8edcaa199174a8eafb14f7cf16ec31bbd646cc4e5449c1

      SHA512

      47e5c68aeb7c208f7737520452493e4987c5a4e09dfa1297920a1d630f5df85c6505de1d4d5c0ccee3f8fc076f7523ccbdbd4f0982febb3e215e2153969af498

      Download Submit

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

      93KB

      MD5

      257f28bd5bdc2b725434b7ab570814e7

      SHA1

      972446e0f8d210c5d6f42a57a921391a236d564d

      SHA256

      d80f45a5995ba038d69dbe87f7c12827ffa2b53e79beedb0bc6ee91c10a61688

      SHA512

      c27aa91c3c3605941a1a121021c840fc7886cf27d43e9d6b2c371888a276d9dfd39135600a4f933f62dfa3d46cb6e12de6e31b3f8b939676701ff37f8cc61575

      Download Submit

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

      92KB

      MD5

      6662b185f19fbf697c56a25c92de7961

      SHA1

      0df0c0df0de3724258df2549c583e3c934aca726

      SHA256

      c11edb9e97848e20319fba876d9382c7193f68323eff1f7ed805bb04303bdc86

      SHA512

      c6e2cb83f68a63ca299dae843d2697d41dab8b565fb4005755b0d255b388779b6c1dad97375009c995f0a3d2e0acb4cc820090ca5dc24ee11e1a3de5b1a4921f

      Download Submit

    • \Windows\SysWOW64\djcfxdbf.exe
      Filesize

      382KB

      MD5

      badd716c7c48a8241873d9251da496d1

      SHA1

      6bd2a072c8f64a1780fe75d983cb7b6584985c6d

      SHA256

      ad4373bfa026f66380b8ce44d6bc300d146770114fb10087019af7c616dc11d7

      SHA512

      7bf3f09216e2ba376053e668963797cd78f91119467917a84f467dd3110d6bd26592784cdf7cefd293413ff5b6dbe10a996d89627177235d9f109732c05f36c5

      Download Submit

    • \Windows\SysWOW64\jhbbcuqwja.exe
      Filesize

      512KB

      MD5

      eedbff7cc333c8fbe313e14bb5b06dfc

      SHA1

      c387730875dfe442d40a1b54dba3bb565cb11aea

      SHA256

      333e42455bb3f1b3c9a936785f8fd7648bf43dbcb6fca54873f759958bcd97d2

      SHA512

      3407e934edea15501d5e8c5dc60fcba79d17394d2c78147ffa3475362e67283f12526053504d5342840b05f50888e6bcc3b325a76236c9049f73e3c770992434

      Download Submit

    • \Windows\SysWOW64\pyawueiigdele.exe
      Filesize

      512KB

      MD5

      cb56f1ca7b49af9a23c15d9b75d3a6c4

      SHA1

      7b806a95c4cc3d7243fe38f22e7514065b8354f7

      SHA256

      b6262696b048a718c617b8d7d6d2c18d91578110b2d77f479838a3f884e1cc66

      SHA512

      d12bb93ff29830a246c6d9c2dd4ba5fd6a951e3a48a954b8b153c93e094c0310bec0bcb485cbaf17a14cd11b20c27e2b37abc13b870729b530214f7a5eb64992

      Download Submit

    • memory/2560-45-0x000000002FD31000-0x000000002FD32000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2560-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2560-47-0x0000000070B7D000-0x0000000070B88000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2560-82-0x0000000070B7D000-0x0000000070B88000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2560-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3064-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download