Overview

overview

10

Static

static

5

658e7379a1...e7.exe

windows7-x64

10

658e7379a1...e7.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 09:59

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General

  • Target

    658e7379a10fc02deab35987b5b9c9e7.exe

  • Size

    512KB

  • MD5

    658e7379a10fc02deab35987b5b9c9e7

  • SHA1

    b056a36f59c8f1ddd34713cc4939764e34ef9c98

  • SHA256

    d13e693c2f11aad7e810be1be2276653fc747d3b6c8781af20c769c18eb95556

  • SHA512

    c2b28701d9967e07b620d11d5226f872072ae46a75fde06ccbbb122270bada6596491ed91e0db1dd6192f1e331d0e67a6db922684467be98d25abc7d22b2d164

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6C:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5B

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 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 22 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\658e7379a10fc02deab35987b5b9c9e7.exe
    "C:\Users\Admin\AppData\Local\Temp\658e7379a10fc02deab35987b5b9c9e7.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:2536
    • 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:2764
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1636
      • C:\Windows\SysWOW64\hzchzcetecdfu.exe
        hzchzcetecdfu.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2560
      • C:\Windows\SysWOW64\rxeriuaq.exe
        rxeriuaq.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:2548
      • C:\Windows\SysWOW64\cilrewsehdiawxw.exe
        cilrewsehdiawxw.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2916
      • C:\Windows\SysWOW64\jwcfvavttn.exe
        jwcfvavttn.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:2028
    • C:\Windows\SysWOW64\rxeriuaq.exe
      C:\Windows\system32\rxeriuaq.exe
      1⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2616

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

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

      20KB

      MD5

      3a2fb37fb40d68ecc57e0e82cf9cb5fb

      SHA1

      ea07d9ff970be8a38dc44ed3f7cc252972be8b97

      SHA256

      bb348d3950f3786faa6d79232d4698170dc8285b1858e0e79094806849261acb

      SHA512

      99fb91a201bc7fc35dae16c323ca83302c6666d9ad5b2d6186bb08f434e842891b3adcdcf7a059d73338bdf716271061bee6e3d31840e3793522cbf637804427

      Download Submit

    • memory/2536-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2764-45-0x000000002F811000-0x000000002F812000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2764-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2764-47-0x0000000070F8D000-0x0000000070F98000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2764-86-0x0000000070F8D000-0x0000000070F98000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2764-107-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download