Analysis

  • max time kernel
    101s
  • max time network
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 18:13

General

  • Target

    $PLUGINSDIR/NSxfer.dll

  • Size

    79KB

  • MD5

    f15486d7a79483fdde18e593c23e9c11

  • SHA1

    7563728e17a9165af5c3665d37165f26db9fad7a

  • SHA256

    d9fd2daa076ccc15154d655c1233d978bb5ae6a0381fe212c0dabd7b8c889cad

  • SHA512

    7bac21643b4db26e5fcd3bef83e72fecc420776093b0a323da60da870bcef8ba9ff527e0c84494a6d14ddcf5d817513a652dc48cc34c7d03b088146c74519450

  • SSDEEP

    1536:w43Oi3NhhhLnHYgyFPDVLNCtmDg2L7SR8mng2L7Sj:vOizhV4gyFPDVLNSCZfSR8GZfSj

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSxfer.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSxfer.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 536
        3⤵
        • Program crash
        PID:4576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3568 -ip 3568
    1⤵
      PID:2040

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • memory/3568-0-0x0000000075730000-0x0000000075742000-memory.dmp

            Filesize

            72KB