Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2023, 02:40

General

  • Target
    bf7782fe90a4ac160b74d33652b1d708f0e41de2c53782d3bb1e265dd5c44de0.exe
  • Size 1.4MB
  • Sample231014-c6bt4acc61
  • SHA256 bf7782fe90a4ac160b74d33652b1d708f0e41de2c53782d3bb1e265dd5c44de0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks for any installed AV software in registry 1 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf7782fe90a4ac160b74d33652b1d708f0e41de2c53782d3bb1e265dd5c44de0.exe
    "C:\Users\Admin\AppData\Local\Temp\bf7782fe90a4ac160b74d33652b1d708f0e41de2c53782d3bb1e265dd5c44de0.exe"
    1⤵
    • Loads dropped DLL
    • Checks for any installed AV software in registry
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        360ini.dll

        • Path C:\Users\Admin\AppData\Local\Temp\uTxFoBqKuWyTgTeT\360ini.dll
        • Size 4.3MB
        • SHA256 a5c4a7521cb743b6d8fe4adf45797e3f99fa61cf65fdf4f3d1147988b8c5fb1f
        • MD5 SHA1 SHA512 SSDEEP

        360ini.dll

        • Path C:\Users\Admin\AppData\Local\Temp\uTxFoBqKuWyTgTeT\360ini.dll
        • Size 4.3MB
        • SHA256 a5c4a7521cb743b6d8fe4adf45797e3f99fa61cf65fdf4f3d1147988b8c5fb1f
        • MD5 SHA1 SHA512 SSDEEP

        memory/4340-0-0x0000000002ED0000-0x0000000002ED1000-memory.dmp