Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-04-2024 22:50

General

  • Target

    7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282.dll

  • Size

    625KB

  • MD5

    9d3f2ba9ad7b706b23b58603c301f43b

  • SHA1

    6ea6e655b78502ac64326e1e0e747a425759423c

  • SHA256

    7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282

  • SHA512

    94262f5d53b41262b98265156728bc7fb3699f942215239fc6bf87d537d99b79aa4c7abde206debb6e25a004dd904fe46d0cffb3a2179a4bba334062b719eb4a

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY5:o6RI1Fo/wT3cJYYYYYYYYYYYY5

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\7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282.dll,#1
      2⤵
        PID:1636

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads