Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-04-2024 20:53

General

  • Target

    3e7ad72cfab2a91befb65bc76a25cf9f388e38e347a36aafaeb6b9eaeff110e4.dll

  • Size

    769KB

  • MD5

    a0791849b0f3ba49283f591f1b861a75

  • SHA1

    a00f22860508dcc7812b4a0aaf27da52fcd28293

  • SHA256

    3e7ad72cfab2a91befb65bc76a25cf9f388e38e347a36aafaeb6b9eaeff110e4

  • SHA512

    cea219f6960a92e3b94bf858da0e30cec223b5ac0868106d705546a303a4542016f90f0f67343d88a01bf58345af7a22e3349ab0db0b2d84a1c511b8032a3614

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYK:o6RI1Fo/wT3cJYYYYYYYYYYYYK

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e7ad72cfab2a91befb65bc76a25cf9f388e38e347a36aafaeb6b9eaeff110e4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e7ad72cfab2a91befb65bc76a25cf9f388e38e347a36aafaeb6b9eaeff110e4.dll,#1
      2⤵
        PID:2076

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads