Windows 7 deprecation

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Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 23:33

General

  • Target

    58564ed5d2cae7921f0c415cd09a4e9c54e52f9f33b33acfc2aa015882fb917eN.exe

  • Size

    38KB

  • MD5

    d7444ea85d230e4a4255d77c157791f0

  • SHA1

    8e7cd0f442e90d562b6ec3b92c46bda93b2f0a0b

  • SHA256

    58564ed5d2cae7921f0c415cd09a4e9c54e52f9f33b33acfc2aa015882fb917e

  • SHA512

    054b27461ae83847ade6438bc7edaa1ffe927e3fba0d53985bd3f9ef1214c3f35c051b60d63afa5e2744c419963a8039095b29a596f127bc48d65e3da5d5ac37

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhD:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYj

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\58564ed5d2cae7921f0c415cd09a4e9c54e52f9f33b33acfc2aa015882fb917eN.exe
    "C:\Users\Admin\AppData\Local\Temp\58564ed5d2cae7921f0c415cd09a4e9c54e52f9f33b33acfc2aa015882fb917eN.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    39KB

    MD5

    e6260f8254c9a67aaee805e83b0e2b68

    SHA1

    eaf4fc6ced499ec214a481b08d44233c6fc233f0

    SHA256

    09930764c96f708e28b82481eac2c1f881f35bbb1b80a479eb685fd5372acfe4

    SHA512

    b755b5c5d71dafc93ad8af6a524704deb3168d05287dc9acb147495ee54a494a9352efc89fd6faed5f2300dafbc6ba38184d88ce796030c5307718e44c73f2c3

  • memory/1780-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4476-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/4476-4-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB