Analysis

  • max time kernel
    119s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 11:46

General

  • Target

    b384ded3cfe99213876d10c9e3266140N.exe

  • Size

    46KB

  • MD5

    b384ded3cfe99213876d10c9e3266140

  • SHA1

    2c8fa603bf972fa2a5cd3c21c4be308259a80363

  • SHA256

    5c6b81822a96dc575235110e77ac2dd41df73bb95799052d652d03b6703bf582

  • SHA512

    961c0db64c122e2482a5d52a6762efa381fdc5c1223e72f1a978f400b81276164c21fffec62f0e32b81a9d5e6b80c98c2328be27ea990405cb0d97f8b7749cfc

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh6:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYa

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 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\b384ded3cfe99213876d10c9e3266140N.exe
    "C:\Users\Admin\AppData\Local\Temp\b384ded3cfe99213876d10c9e3266140N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    46KB

    MD5

    e23cab575fcba71bb7709a1373ad1f72

    SHA1

    61d401a3df9cb995b785bcf19f5ef2ef3b030a11

    SHA256

    a4ab16422ced7ecf98a8c56eb6ec247b6f8e7f7e45e1bf5f7a9ea204fa2f2c33

    SHA512

    442d37185e421a7aefbca0bdf99b3b8bddd99100980f104a76bdc7d07e779e5e159404d3eefff25083e752669c3ddf4214a47da6bc35bb9cf81f71b0ca2b6bb6

  • memory/2872-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2872-5-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4888-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4888-7-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB