Analysis

  • max time kernel
    119s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 01:51

General

  • Target
    a6ca305489227b750488c24b01956340696edcafc954e68338e6ded4094d8fbbN.exe
  • Size 31KB
  • Sample241105-b91f7asapc
  • SHA256 a6ca305489227b750488c24b01956340696edcafc954e68338e6ded4094d8fbb
  • 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\a6ca305489227b750488c24b01956340696edcafc954e68338e6ded4094d8fbbN.exe
    "C:\Users\Admin\AppData\Local\Temp\a6ca305489227b750488c24b01956340696edcafc954e68338e6ded4094d8fbbN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2912
    • 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:1472

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 31KB
        • SHA256 f6c48879ef890840411ade6fec2c1fad44404c7aa15554cd1b8354cb66421812
        • MD5 SHA1 SHA512 SSDEEP

        memory/1472-10-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2912-0-0x0000000000570000-0x0000000000571000-memory.dmp

        memory/2912-9-0x0000000000400000-0x0000000000409000-memory.dmp