Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2024, 09:02

General

  • Target

    Uninstall.exe

  • Size

    66KB

  • MD5

    bff0fdb86add7fcf61bd450da04a9a83

  • SHA1

    9d564865bf2f054eba4d5d6c2c5f23c179666ca6

  • SHA256

    f46a2ee6c8d71d8fb4b4d11c0ffa95276fb0185bbcfbf2875c71ac6b647ff213

  • SHA512

    deca12d4026de2129897486b67700150f8525bdeb7db2cc756c99b2f2233c75a2d4043de575b2940ece8a98c2881a46de89d19279f585981b202a7bd307be0b8

  • SSDEEP

    1536:97ANUHtHV6AWzwfFJUPfT4t3kUYp+djPw6R9TokE9:9TvfTzcTsw6Rqz

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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.

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1840
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4972

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

          Filesize

          66KB

          MD5

          bff0fdb86add7fcf61bd450da04a9a83

          SHA1

          9d564865bf2f054eba4d5d6c2c5f23c179666ca6

          SHA256

          f46a2ee6c8d71d8fb4b4d11c0ffa95276fb0185bbcfbf2875c71ac6b647ff213

          SHA512

          deca12d4026de2129897486b67700150f8525bdeb7db2cc756c99b2f2233c75a2d4043de575b2940ece8a98c2881a46de89d19279f585981b202a7bd307be0b8

        • memory/1840-6-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4972-9-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4972-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB