Overview

overview

10

Static

static

5

d4e8cdf438...97.exe

windows7-x64

10

d4e8cdf438...97.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 01:47

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General

  • Target

    d4e8cdf4388ce82794252a58a4396c97.exe

  • Size

    512KB

  • MD5

    d4e8cdf4388ce82794252a58a4396c97

  • SHA1

    2856acb38e02b3e1530d3978942433c153df46d5

  • SHA256

    e4ab9c3f5eb2d8c4dfc3a159988ad3d59322e18331fb2ebeab50c59197f2c957

  • SHA512

    ac5a58f6e2fa6a564141e724cbec9f0eda299d1b3c2a9291a4d0018502d3e60b037f976a80b5a4667dd4c4e647412d677369e73443e144a93c234d9f308c8a51

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6A:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm51

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 6 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\d4e8cdf4388ce82794252a58a4396c97.exe
    "C:\Users\Admin\AppData\Local\Temp\d4e8cdf4388ce82794252a58a4396c97.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:1712
    • C:\Windows\SysWOW64\exairiocvt.exe
      exairiocvt.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:2544
      • C:\Windows\SysWOW64\qqyrfvij.exe
        C:\Windows\system32\qqyrfvij.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:2560
    • C:\Windows\SysWOW64\jkdlkmexpkizqkz.exe
      jkdlkmexpkizqkz.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2940
    • C:\Windows\SysWOW64\qqyrfvij.exe
      qqyrfvij.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:2600
    • C:\Windows\SysWOW64\apkvnmevvpyid.exe
      apkvnmevvpyid.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2660
    • 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:940
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1480

    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

      5e75dea82f8129eebe6d7eb0712940cf

      SHA1

      a2ef62474336cf71605e25fa078d4ae568329019

      SHA256

      223660695a99a6db853c5c9d1268c51aaae493e2041d753aa6215b9816200c1e

      SHA512

      cc8feae498e10680cce168177dcd27c066bd472739dfa0f805d139f68fb38dc45567120f90c6833bd22ae4636023133918a164b24b173b60a94a610dc33633cf

      Download Submit

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

      512KB

      MD5

      3e2f869544342ff21d060fdd0ef56635

      SHA1

      c2a02688c0276b0d649d50da57e018b58757244f

      SHA256

      0df26d0badb7b2da068e921ae4ab28751e5ea30edf64f8b4fd44f5d8098d3303

      SHA512

      969a9dec1c50d5379fdeeb662be682722f0e9406a254978fef99f673bf26357376c5d00fc64fea0ed890a490c632e7c5baef70c0945b2ac9993a065432d09dbc

      Download Submit

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

      512KB

      MD5

      c4144a1f8dd946a8be227d34c38fbd08

      SHA1

      d04d61ca7b3f44191bab6e9981002814864a1bbe

      SHA256

      a53c5b65b75196a997755009d84a66a314a3ea3494ffac48aa93af813b1972b2

      SHA512

      5c671c5a6917c3b49e9abd2247c670cc2a768898310810aa9871fe40b93d98711095aaadfc99bc9e250a9f4b3e13b6b59216f8292565f8fbcd19b631dd66c998

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\apkvnmevvpyid.exe
      Filesize

      512KB

      MD5

      71ae738b8d29c6ea1d3c695f1b0fd0ad

      SHA1

      ae13f71d46f09481a407100dfde40c92abe61236

      SHA256

      cd3354079aed649afdeb7c4d80441409481cf6a165eeff0534d20ba77f7394d3

      SHA512

      adf1f84185d20277bb61e27351fe79aafc586471edb66c0352ef5a43044a3baf417298c19cd90e8b6e24cfcaa23b7a771a0f4560b0edac5b3a747de587fb2e93

      Download Submit

    • \Windows\SysWOW64\exairiocvt.exe
      Filesize

      512KB

      MD5

      25fd906a8c11eee451cb672470c124b0

      SHA1

      33662bc9b17885868d0b5a86c3fe3c49b04e39ab

      SHA256

      86c7cd2db5a233ba42f802b7f2dc1fb4b87757eb9ea17cf6864f1553f53ad585

      SHA512

      107febdc2182c9415f25a777f5092af35fd159c691b517196118ac18f8295f6423f1f036e99047a8d58a9e004b0f7579014c7ff53572322e5901f2d0a5b9fc24

      Download Submit

    • \Windows\SysWOW64\qqyrfvij.exe
      Filesize

      512KB

      MD5

      3d69a21d17602b221e79c2ad0fab88e5

      SHA1

      1b360e09c08d2973041c65175b53d191dbe37259

      SHA256

      ccb1a4e07fa613d39025be1a52ac2ba34c2405c4da7df33e870468403ac938e0

      SHA512

      1bbecc22f5368cfaa8f67405c331a63fc11b0e34f169151a743bed984770b38374aeef423b6fb2750f72a50c65e0cefe5336c6e389b1e56aba1f81e030415b71

      Download Submit

    • memory/940-47-0x0000000070E7D000-0x0000000070E88000-memory.dmp

      Filesize

      44KB

      Download

    • memory/940-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/940-45-0x000000002F5C1000-0x000000002F5C2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/940-83-0x0000000070E7D000-0x0000000070E88000-memory.dmp

      Filesize

      44KB

      Download

    • memory/940-104-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1712-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download