Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2024, 04:14

General

  • Target

    4a691b69c11387b2c2e19e50c27e3c80.dll

  • Size

    66KB

  • MD5

    4a691b69c11387b2c2e19e50c27e3c80

  • SHA1

    7ae3ae8390af4c2c39cf14cd26699e24b04ce4ec

  • SHA256

    e96c7628029915b660036bc40e41a38bbba7ea445c485274ab87c88016158a3f

  • SHA512

    f33d85d15081910f063d8667870a1812d2e9b877a3a96ddb7471fdf33049d83b0bc12bfc1a7449514c922c74e5c6c14b686d6d2148ef13342ba78ea626c84248

  • SSDEEP

    1536:GyLua1K0xP0DBCfdq6Zx/HRNVLRpedZk7hQB5ZmUOMt+eE:GscxifRbRwxOMt+p

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a691b69c11387b2c2e19e50c27e3c80.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4a691b69c11387b2c2e19e50c27e3c80.dll,#1
      2⤵
        PID:3948
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 692
          3⤵
          • Program crash
          PID:4844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3948 -ip 3948
      1⤵
        PID:4264

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/3948-0-0x0000000010000000-0x0000000010042000-memory.dmp

              Filesize

              264KB

            • memory/3948-1-0x0000000010000000-0x0000000010042000-memory.dmp

              Filesize

              264KB