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

  • MD5

    6e690d61b9fa3c4e8ed32dc6f10b2fba

  • SHA1

    e31c1dd5df31e4e609fdbd3c47be5c68da5698f6

  • SHA256

    414e4d23e1de0c522db965e48d935db33b20c8c14547aa88d9589153cdce644b

  • SHA512

    a9d027f3874a9d8eb873fbbac93f7395098ec353d66120b2321573677a8aa80dc5d9a1b5ff1279cb0631ed959b5fde8e4840f67d2217d4828d3497bec736fbda

  • SSDEEP

    768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rCBsPGTWikRyyyxOnly9yyQ:GY9jw/dUT62rGdiUOWWrC6P6TQ

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

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    Filesize

    41KB

    MD5

    d0fee75524c814b0df667b25a07b8ba9

    SHA1

    4088b95238d8b33973db364215110bfb7693d8ed

    SHA256

    f2ad408ba34e698d8e0aedf63ee406eccab3ec19a51108b637e3d72fd744dbec

    SHA512

    dfd19831d9c0664bb3e180f38b5e0d25470003d129b693256cad96bcbcd4ccf4961f66b1e1751984b2613d269da9544e199b31111d4c33c738e555c7f5b56dd0

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

    Filesize

    4KB

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

    Filesize

    36KB

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

    Filesize

    36KB