Analysis

  • max time kernel
    94s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 00:43

General

  • Target

    9e80089bc5f078fcb7a6929dc43c888553934b93d9e111d7c3268a69dd02a201.dll

  • Size

    696KB

  • MD5

    1b2d77c9fe38cdfe80ea1c4c1039cc74

  • SHA1

    db3d23a1b55021d05d67d441b7821a642397cf19

  • SHA256

    9e80089bc5f078fcb7a6929dc43c888553934b93d9e111d7c3268a69dd02a201

  • SHA512

    3a78331fe32bb97bbb6e101ac45d18c1127c2c123736cd32fa6f52e09e1274a0fe13dad02d454d540d69af157327670debcad688417f9a534fc8abcf4e828536

  • 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\9e80089bc5f078fcb7a6929dc43c888553934b93d9e111d7c3268a69dd02a201.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9e80089bc5f078fcb7a6929dc43c888553934b93d9e111d7c3268a69dd02a201.dll,#1
      2⤵
        PID:3572

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads