Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 19:42

General

  • Target

    236fb83dcfc1d59827c290957f49cd16290618a9a5810aab5c747aa48638e341.exe

  • Size

    57KB

  • MD5

    6098a4053bb091373de48d98916d2951

  • SHA1

    b4685e7661d642efdd32a960c356f3ee0a9f64c0

  • SHA256

    236fb83dcfc1d59827c290957f49cd16290618a9a5810aab5c747aa48638e341

  • SHA512

    a0be9f5f060eb354f8dc1c66089eb782668b8c515d87785d78693f08592c331653b680b27f212c08b3f93db7cf27f7d79aa456fb29459f94fd3cb199e7d2cc30

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI/:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVN

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\236fb83dcfc1d59827c290957f49cd16290618a9a5810aab5c747aa48638e341.exe
    "C:\Users\Admin\AppData\Local\Temp\236fb83dcfc1d59827c290957f49cd16290618a9a5810aab5c747aa48638e341.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    57KB

    MD5

    113ae69c7448611e16f580e0b69840d1

    SHA1

    698b1182cb21b43aa76436197de263923998c75f

    SHA256

    30f77d0ff7b3c62e4181677333ed50f3ce8ed8e5e4a97c2a146576f58e53604d

    SHA512

    9bc2129f3e8c744cef9aa517dd3147363f3fd4de343c7baf28dd73d133e245e92a0432b66b659ebba0bcfc215336d5e9334299a5723a34d4eec7d89bab14746b

  • memory/584-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/584-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2188-9-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB