Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 01:48

General

  • Target
    db8840ce28ebc2966b3bb34a246951a7e7a92eed0ac28b369e91b4324c5bb72a.exe
  • Size 39KB
  • Sample240306-b8b27sff2w
  • SHA256 db8840ce28ebc2966b3bb34a246951a7e7a92eed0ac28b369e91b4324c5bb72a
  • 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\db8840ce28ebc2966b3bb34a246951a7e7a92eed0ac28b369e91b4324c5bb72a.exe
    "C:\Users\Admin\AppData\Local\Temp\db8840ce28ebc2966b3bb34a246951a7e7a92eed0ac28b369e91b4324c5bb72a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2384

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 39KB
        • SHA256 f91628ad34454030f3da17a60adbb0e6dfbad326eadb8afec51ac347bb782af5
        • MD5 SHA1 SHA512 SSDEEP

        memory/2384-10-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4000-0-0x0000000000450000-0x0000000000451000-memory.dmp

        memory/4000-9-0x0000000000400000-0x0000000000409000-memory.dmp