Windows 7 deprecation

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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 05:29

General

  • Target

    1d7a6a0ec43351d6afb4117eda56ad40N.exe

  • Size

    43KB

  • MD5

    1d7a6a0ec43351d6afb4117eda56ad40

  • SHA1

    1034041906406eb24ec6e92c7223d4a679a0e114

  • SHA256

    e755da1c18d880ec127b8ce356176d1d977662728bfd7f2234b527397eff236a

  • SHA512

    845d166288aaae0afc57ddc6ca154c8912544b3f7d302056ecc5b5ca4ba992dcf3a69ab578bd1a67ad00cdcc0e59a9ab7cbe014c0ecdb0b6270e45fd6d502cec

  • SSDEEP

    768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh4:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYY

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\1d7a6a0ec43351d6afb4117eda56ad40N.exe
    "C:\Users\Admin\AppData\Local\Temp\1d7a6a0ec43351d6afb4117eda56ad40N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      PID:1772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    43KB

    MD5

    e158a92827ccbec502bb6686f1549b8c

    SHA1

    2c98ac37523c6d5e2f60136ad1df7dd71ce96b2d

    SHA256

    2895280d9e1871150e6b8824e9780a7be11491ea5f71389726af933c56a1fb14

    SHA512

    3c24e913fd393c45be9ae92857e6b6ed26c63b3bb704e35f6420ab9b45271885fc70d455572f7767ba4a1a731074a441646efb0afc5f08c8fe0eb46cf07654dd

  • memory/1772-9-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2416-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2416-6-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB