Analysis

  • max time kernel
    129s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 05:04

General

  • Target

    f3b3b33d4450e130838dd3248e4bd71cc1ac68b3576704b476ef63d092b3ea74.dll

  • Size

    1.0MB

  • MD5

    ce6f0a991d30a2c05bb5b2a3f7d7e8f3

  • SHA1

    1e46492dfef8032cab5c78178113113d61d14ee7

  • SHA256

    f3b3b33d4450e130838dd3248e4bd71cc1ac68b3576704b476ef63d092b3ea74

  • SHA512

    7e10fca01de13aa3dee8d6bf42ecf9e4a95f9dc79910c5fd923b563b3b9a4c01edcb276cac8d0068b1974ae6b64fc72af7194252be61089db6584b71eaeddc61

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYq:o6RI1Fo/wT3cJYYYYYYYYYYYYq

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\f3b3b33d4450e130838dd3248e4bd71cc1ac68b3576704b476ef63d092b3ea74.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3b3b33d4450e130838dd3248e4bd71cc1ac68b3576704b476ef63d092b3ea74.dll,#1
      2⤵
        PID:2400

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads