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Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 19:18

General

  • Target

    右键显示隐藏系统文件.exe

  • Size

    414KB

  • MD5

    6d41ee8c4bd2b574b02a29ce0b023eb9

  • SHA1

    6357ac007742c6b8fc6c10eb303bf729af663ce9

  • SHA256

    9f6bb66ec52ebb6d52006955dc94399c51d192dbec076df269de0552593b12ce

  • SHA512

    e0732b54b4b4edcf35f1d99df9a7dddb9d6d1a91545be6657f55318e98f80ab5dbf7b0701b62c327be14e52bbe5b69b8117946deecbdd204ad3cb0fed5af3525

  • SSDEEP

    6144:aTfFDbRnOTrZc1JWGkTfFDbRnOTrZc1JFo7TfFDbRnOTrZc1JlBE:I5OG2GW5OGlo95OGFBE

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\右键显示隐藏系统文件.exe
    "C:\Users\Admin\AppData\Local\Temp\右键显示隐藏系统文件.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3596
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\set.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\set.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\set.exe

    Filesize

    60KB

    MD5

    524a62841d9fab0d9d49f5bcff7bd8b1

    SHA1

    2c0243210aaebab392304237d6d651f8d72cb032

    SHA256

    065cdb23f4bf29e57a425f89c92631589a6d93489d2972ea5e13a6390352197a

    SHA512

    eb9aa16b64e8ea806c74acb8ea1bc96ad42124a4d2cb5617daf2f784172200a6ec5ecdb28d886483c7ee8b40407f5dbf443dc063dbdce5f43f842ed5747d4872

  • memory/3596-18-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB