Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2024, 01:01

General

  • Target
    8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
  • Size 36KB
  • Sample241201-bdpd2s1mht
  • SHA256 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Upatre family
  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
    "C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        szgfw.exe

        • Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
        • Size 36KB
        • SHA256 be1e0a9dd7231b753de855197b902dae8a7fed19312b6497457891f47aa1888e
        • MD5 SHA1 SHA512 SSDEEP

        memory/1748-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

        memory/1748-9-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3540-10-0x0000000000400000-0x0000000000409000-memory.dmp