Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 17:48

General

  • Target
    6e690d61b9fa3c4e8ed32dc6f10b2fba.exe
  • Size 41KB
  • Sample231219-wdxqmsgcgn
  • SHA256 414e4d23e1de0c522db965e48d935db33b20c8c14547aa88d9589153cdce644b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e690d61b9fa3c4e8ed32dc6f10b2fba.exe
    "C:\Users\Admin\AppData\Local\Temp\6e690d61b9fa3c4e8ed32dc6f10b2fba.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3756
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:4672

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 41KB
        • SHA256 f2ad408ba34e698d8e0aedf63ee406eccab3ec19a51108b637e3d72fd744dbec
        • MD5 SHA1 SHA512 SSDEEP

        memory/3756-1-0x0000000000670000-0x0000000000671000-memory.dmp

        memory/3756-9-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4672-10-0x0000000000400000-0x0000000000409000-memory.dmp