Analysis

  • max time kernel
    1506s
  • max time network
    1181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 16:22

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    7KB

  • MD5

    675c4948e1efc929edcabfe67148eddd

  • SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

  • SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

  • SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • SSDEEP

    96:J9zdzBzMDByZtr/HDQIUIq9m6v6vBckzu9wSBpLEgvElHlernNQaSGYuH2DQ:JykDr/HA5v6G2IElFernNQZGdHW

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • 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:4256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:2896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 612
          3⤵
          • Program crash
          PID:2976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2896 -ip 2896
      1⤵
        PID:3100
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:2476
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2424

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2424-0-0x0000023DD3140000-0x0000023DD3150000-memory.dmp

          Filesize

          64KB

        • memory/2424-16-0x0000023DD3240000-0x0000023DD3250000-memory.dmp

          Filesize

          64KB

        • memory/2424-32-0x0000023DDB7E0000-0x0000023DDB7E1000-memory.dmp

          Filesize

          4KB

        • memory/2424-33-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-34-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-35-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-36-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-37-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-38-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-39-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-40-0x0000023DDB800000-0x0000023DDB801000-memory.dmp

          Filesize

          4KB

        • memory/2424-41-0x0000023DDBA00000-0x0000023DDBA01000-memory.dmp

          Filesize

          4KB

        • memory/2424-42-0x0000023DDBA00000-0x0000023DDBA01000-memory.dmp

          Filesize

          4KB

        • memory/2424-43-0x0000023DDB430000-0x0000023DDB431000-memory.dmp

          Filesize

          4KB

        • memory/2424-44-0x0000023DDB420000-0x0000023DDB421000-memory.dmp

          Filesize

          4KB

        • memory/2424-46-0x0000023DDB430000-0x0000023DDB431000-memory.dmp

          Filesize

          4KB

        • memory/2424-49-0x0000023DDB420000-0x0000023DDB421000-memory.dmp

          Filesize

          4KB

        • memory/2424-52-0x0000023DDB360000-0x0000023DDB361000-memory.dmp

          Filesize

          4KB

        • memory/2424-64-0x0000023DDB560000-0x0000023DDB561000-memory.dmp

          Filesize

          4KB

        • memory/2424-66-0x0000023DDB570000-0x0000023DDB571000-memory.dmp

          Filesize

          4KB

        • memory/2424-67-0x0000023DDB570000-0x0000023DDB571000-memory.dmp

          Filesize

          4KB

        • memory/2424-68-0x0000023DDB680000-0x0000023DDB681000-memory.dmp

          Filesize

          4KB