Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04/06/2024, 01:40

General

  • Target

    b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe

  • Size

    35KB

  • MD5

    9e2e889e1f68589f146cc461948ccc00

  • SHA1

    b29a9642948803cbf55a9b3a17e5028530f1b7cb

  • SHA256

    b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da

  • SHA512

    89facec613a55ca72e247406f1e006b9db2ea5adf9021b65ec1acc2878e5720cd31b02ad7d954c1df1009c1b1ae640c5b1a09006c487c94fa23b4d46e883cdb0

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhQ:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYw

Score
7/10

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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe
    "C:\Users\Admin\AppData\Local\Temp\b046774d4e726481688827f461d206dbb817cade7d9488ec26c6c58a19d801da.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    36KB

    MD5

    b8a957f29779f700dee3c13db5cdaf0c

    SHA1

    62786a5ccb1ef98c5eaf3aa5e9d551d31f0879bd

    SHA256

    2e435cbfa63263c686aa7fe8941e40fcc3331bea3a0b516085d4b6822c1fb173

    SHA512

    5c7513e0a366c9d5b600473471bf68a3be6d2c49559d856ea15f957ebb980315ca0f1a403e32e7ab458c678e5519ae6819d75f506460fb2e2c3b18251f5b4228

  • memory/2104-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2384-7-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB