Analysis

  • max time kernel
    149s
  • max time network
    147s
  • 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, 17:00

General

  • Target
    641c86ad71692ab0bcf05dd071a7e9b3.exe
  • Size 13KB
  • Sample231219-vjaydsadan
  • SHA256 f317e877507bd3c9eb81abc44ffc6a3655656a85cc4a0b2fc4206dc4e00f0652
  • 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\641c86ad71692ab0bcf05dd071a7e9b3.exe
    "C:\Users\Admin\AppData\Local\Temp\641c86ad71692ab0bcf05dd071a7e9b3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:4808

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 13KB
        • SHA256 06f7f5fa95d1c3778b5dc0b0169ee47a4520bc6587f7dc68a35d0e3347f28950
        • MD5 SHA1 SHA512 SSDEEP