Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/12/2023, 00:49

General

  • Target

    bd095d31c3fda1f0913f3fe779225448.dll

  • Size

    281KB

  • MD5

    bd095d31c3fda1f0913f3fe779225448

  • SHA1

    4d0eb36a03199c82df3ec57efc165ac63b4eb05d

  • SHA256

    33a6fcbdbfe8d6f234c4fc4d149af6cb88f0c7972d8c640b8eb6381704024477

  • SHA512

    6158a4230a3abb259274ca06e78290e940c43fe581f4a678dd20bd0e9ddf477b0adf7c38a2b4a89253c0d816b95a307fb797663a91bf56fbb8b295a71f904174

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0L:jDgtfRQUHPw06MoV2nwTBlhm8z

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\bd095d31c3fda1f0913f3fe779225448.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd095d31c3fda1f0913f3fe779225448.dll,#1
      2⤵
        PID:2084

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads