Windows 7 deprecation

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Analysis

  • max time kernel
    143s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 22:06

General

  • Target

    1df6b8284f2ee66d546efa938f571765.exe

  • Size

    1.1MB

  • MD5

    1df6b8284f2ee66d546efa938f571765

  • SHA1

    f56428c36db6657f2b90fe691d19439cb7159013

  • SHA256

    2001fa457ae8c2ec82ee261e185b842b622bae3ead54e68434899a182190ddbe

  • SHA512

    d6f38989469551d4f2032538043aba9a30e76d03b86d594cdc7d8736f150b2c593117aff9388d807628d7afbfdbc5edb5831dd03696d72ed724d986145c5f8c4

  • SSDEEP

    24576:1NHlDWGouKPL+mk2ksI/rq38Xn27Y+A4eoEdbMP6KmZmY0x3ZWUhPokTM:1/XoVL+J2j9MXyY+ibNC643n9o3

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1df6b8284f2ee66d546efa938f571765.exe
    "C:\Users\Admin\AppData\Local\Temp\1df6b8284f2ee66d546efa938f571765.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      C:\Users\Admin\AppData\Local\Temp\setup.exe relaunch
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\kZCd157KEh\intro_page.html

    Filesize

    15KB

    MD5

    60995d04e55f8d138cf5183e95942906

    SHA1

    d90f51dd6705b94d7d3915dad623f61a7654a410

    SHA256

    05b3464493d500473e1370aafd8c0b8db1678bd38353237141997607caf5c132

    SHA512

    3886ba8025d96b3ba1522def75b997aec503505c14ec3364bba93fa8a5509c792b44bc67a9afbfcc4af9047bad69ae7c9dfd61ec094079cf7ddf3838704af871

  • \Users\Admin\AppData\Local\Temp\setup.exe

    Filesize

    1.1MB

    MD5

    1df6b8284f2ee66d546efa938f571765

    SHA1

    f56428c36db6657f2b90fe691d19439cb7159013

    SHA256

    2001fa457ae8c2ec82ee261e185b842b622bae3ead54e68434899a182190ddbe

    SHA512

    d6f38989469551d4f2032538043aba9a30e76d03b86d594cdc7d8736f150b2c593117aff9388d807628d7afbfdbc5edb5831dd03696d72ed724d986145c5f8c4

  • memory/1988-9-0x0000000000F30000-0x0000000001184000-memory.dmp

    Filesize

    2.3MB

  • memory/1988-29-0x0000000000F30000-0x0000000001184000-memory.dmp

    Filesize

    2.3MB

  • memory/3000-0-0x0000000000F80000-0x00000000011D4000-memory.dmp

    Filesize

    2.3MB

  • memory/3000-4-0x00000000028B0000-0x0000000002B04000-memory.dmp

    Filesize

    2.3MB

  • memory/3000-7-0x0000000000F80000-0x00000000011D4000-memory.dmp

    Filesize

    2.3MB

  • memory/3000-31-0x00000000028B0000-0x0000000002B04000-memory.dmp

    Filesize

    2.3MB