Windows 7 deprecation

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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 14:33

General

  • Target

    bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe

  • Size

    61KB

  • MD5

    9c7da90986eeaf07e5d899bd35307450

  • SHA1

    e69d725413303a6d95d9d7e090377ac15e25832e

  • SHA256

    bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385f

  • SHA512

    510c4e03de730ad2afd878f9814ee37f27097a1fedd37036c4333ef7dbeef79af63f2dbf0507fbeefe0d14f2422bf357d7ef02d64f9dcb0a151c55d1b0740ba2

  • SSDEEP

    384:asjPGY2HXgrkEYYhQ98E8I1XAV/QcaYpATUgch1A9NB/erxlFHXTFDe:aePG5H8XhKD8ISZQjkgs1lxlFJC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe
    "C:\Users\Admin\AppData\Local\Temp\bca4d79949ee0c2f6cb84461a970c490e7ee43e6681030e6bcaf1a34c117385fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\winupdate.exe
      "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\winupdate.exe

    Filesize

    61KB

    MD5

    a7d91509850670d908046231039f102d

    SHA1

    bffddcc4ddd570f621757e4b7e8db417d9242eb8

    SHA256

    6d9c062a1d166448eac75afb912582efd29043e3527a85edf292d7c400d47f54

    SHA512

    922d3961a872175a94df8247cc55410ff31cf160816207291fbcf60db9a2c787708613f6ab8c8235fb83edf0c9c1945b946ffe632a62f9b3bc292ab2f22e83b2

  • memory/1300-9-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/1300-11-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/1720-0-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB

  • memory/1720-1-0x0000000000501000-0x0000000000502000-memory.dmp

    Filesize

    4KB

  • memory/1720-7-0x0000000000500000-0x0000000000512000-memory.dmp

    Filesize

    72KB