Analysis

  • max time kernel
    141s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-10-2023 00:32

General

  • Target

    NEAS.4e5af707cca5d4975ec90188782abc10.dll

  • Size

    676KB

  • MD5

    4e5af707cca5d4975ec90188782abc10

  • SHA1

    a3d02dd03c9cc11b14ffc1794575231f763156fe

  • SHA256

    63613a37f5be1021919da42d3c0863d58f709b63b08f272f1118fd0c1f6d3e30

  • SHA512

    d6d28d53451fa7397031f792af1ca3efb9f3d20234c1e060bbc6e3feca97174636f5eb32bdcc5b0b09becfa5c7016fcaa29cd726683260d871edabe455944c15

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYr:o6RI1Fo/wT3cJYYYYYYYYYYYYr

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.4e5af707cca5d4975ec90188782abc10.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4e5af707cca5d4975ec90188782abc10.dll,#1
      2⤵
        PID:260

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads