Windows 7 deprecation

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Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 20:37

General

  • Target

    e9789a530b222f95edf1e5b7602ad460N.exe

  • Size

    53KB

  • MD5

    e9789a530b222f95edf1e5b7602ad460

  • SHA1

    4137b53044a13ab97740a7bd10370fb774934583

  • SHA256

    c613525f16bc5d1ca5ef4b266ea37ca58688e9aa071302ba8c0d597117725b07

  • SHA512

    4ed68392dc95fd88b8e63b33f96fe1b09272dc7fbe4b2f3bc282d18a5d405c84169c9aa4111129bc5292e03803b62300865e63dfe12bcd143df4cf24ff1f3c35

  • SSDEEP

    1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIL:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVh

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\e9789a530b222f95edf1e5b7602ad460N.exe
    "C:\Users\Admin\AppData\Local\Temp\e9789a530b222f95edf1e5b7602ad460N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:2420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    53KB

    MD5

    7828f888b483c583f1515f4168f55a30

    SHA1

    96e88478fd5096ac4ee084fb2e79adb63a3bbafb

    SHA256

    4e255913ea220ded32e743c5c821ccc5f70d2fb40649a7d13f0bd3e458288f65

    SHA512

    3e100212790587d8c801138426851a5db47be50c50925277085e7ee2c84d591497719692ff0827a485e6386c93f814bf862a7584bb2b9b6baf36f9ce2a9f80af

  • memory/2420-7-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2420-9-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2504-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB