Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 23:17

General

  • Target

    aad8c4d48daf23263734711c7853ae2d444567fe671130cfc64bd5f3a8de3a10.exe

  • Size

    36KB

  • MD5

    9c136337f80c9f3e5c468b85c52f4715

  • SHA1

    0fbfae869cc4bff94b1e251414c011ac713a00fd

  • SHA256

    aad8c4d48daf23263734711c7853ae2d444567fe671130cfc64bd5f3a8de3a10

  • SHA512

    f24473ae6ac9c12e264bbf06cdf324b513e56e20b69d032ccaa44eecb48246b7fed2b20b58576877bf7228a0d30a18f4e5e04ad85827213ddaff40c686e15c14

  • SSDEEP

    768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkc8:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gt

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aad8c4d48daf23263734711c7853ae2d444567fe671130cfc64bd5f3a8de3a10.exe
    "C:\Users\Admin\AppData\Local\Temp\aad8c4d48daf23263734711c7853ae2d444567fe671130cfc64bd5f3a8de3a10.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    36KB

    MD5

    6138d1284f4171d38e6bc636a68dcf3e

    SHA1

    d5160599451220188bb7a5b1eff3bb3811fe6adf

    SHA256

    8f38b2930fc085683292f0b75c9f87c9add40f8e722b9db3eba961242ed03ed5

    SHA512

    b2b13a2b5ee4eb7d3f4bce73146a954c8925c280f3df17176a4ba06cc0bf76f7915ed2c2e59c118874fa9bd15a26a102eb176c15b35fdc01c6a24d613ea2fc9e

  • memory/2644-5-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2644-8-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3516-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3516-7-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB