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Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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:2036
    • 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:1980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 252
        3⤵
        • Program crash
        PID:2988

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1980-0-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/1980-1-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/1980-2-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/1980-3-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/1980-4-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/1980-5-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB