Analysis

  • max time kernel
    138s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2023 03:14

General

  • Target

    NEAS.458afdb525c0b4dfdda8997c46728790_JC.dll

  • Size

    775KB

  • MD5

    458afdb525c0b4dfdda8997c46728790

  • SHA1

    e62ed47e83957fb847929a3a6528724550c54e6d

  • SHA256

    a1b2862c253e1bb1850131ae5e913ebc648648b33d7f3b27b50892861a276e2b

  • SHA512

    eced6af193cc6b39236d4d30ea624514a34407bab97c9c3c1fe0e23d88587cf1f682d167716892a3f087cead729a4e3d7d42b3670606380e0c94a5f5b2c515c1

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYv:o6RI1Fo/wT3cJYYYYYYYYYYYYv

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.458afdb525c0b4dfdda8997c46728790_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:444
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.458afdb525c0b4dfdda8997c46728790_JC.dll,#1
      2⤵
        PID:1836

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads