Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 20:32

General

  • Target

    NEAS.9664e12fa47c1343e869f47ed6016520.dll

  • Size

    721KB

  • MD5

    9664e12fa47c1343e869f47ed6016520

  • SHA1

    2cccbb9feb628f00f822106992cd67a378528dbf

  • SHA256

    27f2ca99bb8d0c16ec5fdcd954512275fa4a9746ab4880fbf7239b7a31728885

  • SHA512

    f9c5b396e65379344808908280411b66a61a3f3b1b7c52bac66eda86cefb39782e430291c91cdd78c69ed951788a4e2abd25ba0f926c9463bc36366792f96e11

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYc:o6RI1Fo/wT3cJYYYYYYYYYYYYc

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.9664e12fa47c1343e869f47ed6016520.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.9664e12fa47c1343e869f47ed6016520.dll,#1
      2⤵
        PID:1812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads