Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-05-2024 19:27

General

  • Target

    20040f38eb2c9314ef5e4ce5031d68da417f89d18982e0b75aeb62eabf94d035.dll

  • Size

    655KB

  • MD5

    8f0bc484251bac509a9906c379e4b8bf

  • SHA1

    424b37a48c771acea6c82d00f8146c3374c85666

  • SHA256

    20040f38eb2c9314ef5e4ce5031d68da417f89d18982e0b75aeb62eabf94d035

  • SHA512

    7887cb4b6b859a9df363787135608ee2193d3f66175b1d22f904b590c26948d163a0f8d875af890ab238f6801c70bfd1777069883bef514a3d64c2e15d060c8e

  • 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\20040f38eb2c9314ef5e4ce5031d68da417f89d18982e0b75aeb62eabf94d035.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\20040f38eb2c9314ef5e4ce5031d68da417f89d18982e0b75aeb62eabf94d035.dll,#1
      2⤵
        PID:2876

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads