Analysis

  • max time kernel
    298s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 16:49

General

  • Target
    $R0/Uninstall CSR Launcher.exe
  • Size 160KB
  • Sample260820-vbprksvsgz
  • SHA256 3ca7a621d2455bdbe32a33e128303707deb58340829d5a3df4ba711f9ccc19a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 12 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall CSR Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall CSR Launcher.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:364

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StdUtils.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\StdUtils.dll
        • Size 100KB
        • SHA256 b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\System.dll
        • Size 12KB
        • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UAC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\UAC.dll
        • Size 14KB
        • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WinShell.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\WinShell.dll
        • Size 3KB
        • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
        • MD5 SHA1 SHA512 TLSH

        modern-wizard.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\modern-wizard.bmp
        • Size 150KB
        • SHA256 2079f7a3eba60e0d9ee827a7208aa052a71b384873b641de5e299aeb8e733109
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsDialogs.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsProcess.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb5F8C.tmp\nsProcess.dll
        • Size 4KB
        • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Un_A.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
        • Size 160KB
        • SHA256 3ca7a621d2455bdbe32a33e128303707deb58340829d5a3df4ba711f9ccc19a4
        • MD5 SHA1 SHA512 SSDEEP TLSH