Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 06:21

General

  • Target

    Fast Download.exe

  • Size

    27KB

  • MD5

    97d80681daef809909ac1b1e3b9898ba

  • SHA1

    f0ecc4ef701ea6ff61290f6fd4407049cd904e60

  • SHA256

    345d5d2759abd08a84c4c2e2a337a1babd02b5eda3921db1b83eb5d5f5ccc011

  • SHA512

    f90bb8868612f5bc52c07cf90c4e62daf47ba3a3418fae3a82030bff449d62cd83ce185b22fdae632abdb661c8e3a725cc5fa5c44e47ca34f9ccbda6fafd21da

  • SSDEEP

    384:YL1q6J1G4APO7l0j8YCYPPdR9MZAQk93vmhm7UMKmIEecKdbXTzm9bVhcaW6mr6s:mccEY6AZA/vMHTi9bD

Score
7/10

Malware Config

Signatures

  • Drops startup file 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fast Download.exe
    "C:\Users\Admin\AppData\Local\Temp\Fast Download.exe"
    1⤵
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:5012
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1432-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

    Filesize

    4KB

  • memory/1432-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/1432-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB

  • memory/1432-5-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

    Filesize

    4KB

  • memory/1432-6-0x0000000074BB0000-0x0000000075161000-memory.dmp

    Filesize

    5.7MB