Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 18:00

General

  • Target
    916715cdd3cb9f6670424bd4f72682cdc4343d79fd36b19de992ee2c3095ecdeN.exe
  • Size 307KB
  • Sample241003-wljhzssdpc
  • SHA256 916715cdd3cb9f6670424bd4f72682cdc4343d79fd36b19de992ee2c3095ecde
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\916715cdd3cb9f6670424bd4f72682cdc4343d79fd36b19de992ee2c3095ecdeN.exe
    "C:\Users\Admin\AppData\Local\Temp\916715cdd3cb9f6670424bd4f72682cdc4343d79fd36b19de992ee2c3095ecdeN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Users\Admin\AppData\Local\Temp\xuhsbsshb.exe
      C:\Users\Admin\AppData\Local\Temp\xuhsbsshb.exe C:\Users\Admin\AppData\Local\Temp\ukilojtrz
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Users\Admin\AppData\Local\Temp\xuhsbsshb.exe
        C:\Users\Admin\AppData\Local\Temp\xuhsbsshb.exe C:\Users\Admin\AppData\Local\Temp\ukilojtrz
        3⤵
          PID:3012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 520
          3⤵
          • Program crash
          PID:1324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2764 -ip 2764
      1⤵
        PID:2212

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            0j9qjdm913vb7j0eyxt

            • Path C:\Users\Admin\AppData\Local\Temp\0j9qjdm913vb7j0eyxt
            • Size 213KB
            • SHA256 e8ccd88569cf6f25118135c988a15b8deab2bb3789537182219c41a33b08654b
            • MD5 SHA1 SHA512 SSDEEP

            ukilojtrz

            • Path C:\Users\Admin\AppData\Local\Temp\ukilojtrz
            • Size 4KB
            • SHA256 e6f2622adb08b89a002a501a6c6615291eec326f6233a57152545fa3afa2a856
            • MD5 SHA1 SHA512 SSDEEP

            xuhsbsshb.exe

            • Path C:\Users\Admin\AppData\Local\Temp\xuhsbsshb.exe
            • Size 4KB
            • SHA256 7e5a0ec65f4c96a6b8de07c341282da8777fc45f4976e415f1738fa165d0a272
            • MD5 SHA1 SHA512

            memory/2764-8-0x0000000003120000-0x0000000003122000-memory.dmp