Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 18:08

General

  • Target

    $TEMP/NSISPromotionEx.dll

  • Size

    1.8MB

  • MD5

    9e76a9d52f45845280024561eb0583d2

  • SHA1

    89a92563bfcb784ce0a17b3ba02e336f59dfb6b8

  • SHA256

    c10670e98eda82fe0984a02c88949ac1be96ca466d6d424a77ea5b67118e8d4d

  • SHA512

    9dab31a7dd32c01ca6d6ae38f38cfe8aa84a338b3cd4d540e308e246ec09f390a00bfc698a0b739951df66356a74de925b7e2c9be22c0e06ad2dd1b891451715

  • SSDEEP

    24576:YnLxB35LZ4nY2BNc3oXrgJnNZdC/eTPakySNerBOS7bCWlti66p:cLxph+hC3JHOeTPakyfkS7bHlti9p

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\NSISPromotionEx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\NSISPromotionEx.dll,#1
      2⤵
        PID:1532
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 676
          3⤵
          • Program crash
          PID:3164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1532 -ip 1532
      1⤵
        PID:3864

      Network

      MITRE ATT&CK Matrix

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      Downloads