Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 02:49

General

  • Target

    b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll

  • Size

    16KB

  • MD5

    7d2138c790b086d6f1183e12f21fe861

  • SHA1

    7580278b5132bb59159a9fbe5f154092de0f9d0c

  • SHA256

    b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347

  • SHA512

    44946f4f5e30cbe02b2722cd0a63a4dce80841f72a4ba6d897a261658b22027bfe4658968cf1e47ce2bde1a3950c0f30ab823836daefa7b9bf75ec4f9d631827

  • SSDEEP

    192:n7KSdtf/wB7vzXDe3mt+D69mdzfYluDDDDDDDDDDDDDDDDDDD+yMsuyK3fBQ2fAi:neUnwB7XV1ddDfBJfA

Malware Config

Signatures

  • Modifies Windows Defender notification settings 3 TTPs 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9153c63ae5911dea43344aa7058e14dd2987652423e3178c5cc1e6cad4fc347.dll,#1
      2⤵
      • Modifies Windows Defender notification settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath $ENV:TEMP
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 244
        3⤵
        • Program crash
        PID:2332

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/2328-7-0x0000000075220000-0x00000000752A9000-memory.dmp

          Filesize

          548KB

        • memory/2340-2-0x0000000073A11000-0x0000000073A12000-memory.dmp

          Filesize

          4KB

        • memory/2340-3-0x0000000073A10000-0x0000000073FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2340-4-0x0000000073A10000-0x0000000073FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2340-5-0x0000000073A10000-0x0000000073FBB000-memory.dmp

          Filesize

          5.7MB

        • memory/2340-6-0x0000000073A10000-0x0000000073FBB000-memory.dmp

          Filesize

          5.7MB