Windows 7 deprecation

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Analysis

  • max time kernel
    120s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 12:19

General

  • Target

    d89e65b289451c13865b1a3a574883e0N.exe

  • Size

    43KB

  • MD5

    d89e65b289451c13865b1a3a574883e0

  • SHA1

    cd0f2d2cdbbf2e3553e692892551a2fec00078b2

  • SHA256

    9ff05cd5a5499a86eb0cc463b23c4d0942ab73a9b27eb340f9485919e34159be

  • SHA512

    d6387a7d528cf237a97a0593334129981cb0e3c2be7cf392f699a8254f1478c3162c4bebb459219a7a61b5aa7a3659e9824463f783d6099900662d36ccfe5c67

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhj:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYD

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\d89e65b289451c13865b1a3a574883e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\d89e65b289451c13865b1a3a574883e0N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    43KB

    MD5

    65b40a80ceab368eb29b5ecfeb6e19f2

    SHA1

    4004276010f99d8b1a2263dfd832953615220c31

    SHA256

    bfefa4927ea96f3ba63a35b5c5a8fdb4458d162d0a9ee20b82ef1ac89def40a3

    SHA512

    91a27c92ba3b9b78bc54f89dfbc4e84689c5830a7c510a76f07d0516f238e903b7397acf2e6753cd2d7bd7af089237445397e54d020883b8177a7a7100304e84

  • memory/2468-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2468-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/3044-8-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/3044-10-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB