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Analysis

  • max time kernel
    134s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 15:39

General

  • Target

    NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll

  • Size

    275KB

  • MD5

    5ba487dee668508c9f96acda32c5d84c

  • SHA1

    02a6f24bf056fc8c10200c3a85bc56cf12d9b7dd

  • SHA256

    f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a

  • SHA512

    4bfe6182e3275a4cede4be5c838de299504c95c28d603fb32db4ebdabad8d827055a2e8709204a801fb66420811b881663e11080da036bc79b9b67173cda5111

  • SSDEEP

    6144:+RR5rhZFQGrsUwF7vlPoSyHAV2A+lPM6u:+R5nWFpPoSKu

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 6 IoCs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#1
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 644
        3⤵
        • Program crash
        PID:4244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 644
        3⤵
        • Program crash
        PID:2148
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4708 -ip 4708
    1⤵
      PID:4680

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4708-0-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4708-1-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4708-2-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4708-3-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4708-4-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4708-5-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB