Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2024 06:13

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    10KB

  • MD5

    d0ecb311ba0307fea7ef74699fd8dd2e

  • SHA1

    5ed7f5f4c9d29363b8aec070aec5b78b68311980

  • SHA256

    2790ae9ffc256e0c1b8f9570858920ffa5a224c15939c84ee01918102e1dfd0a

  • SHA512

    49177e9c9d110dc639cb15bdf7f154807da1898d9289ce82b753658f56641af03864dfa6727c2a67cd499af8858605de007f46f538ca7119e1e3f73994a23bd0

  • SSDEEP

    192:nItx8GSBYnUMu3Oad973Ykv/RGwCzocJ4D4:Ix8GOYnBu3Oad973YkvMwCzocJ

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\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2668
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 612
        3⤵
        • Program crash
        PID:1980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2668 -ip 2668
    1⤵
      PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2668-0-0x0000000074DD0000-0x0000000074DD9000-memory.dmp

      Filesize

      36KB