Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2023 03:48

General

  • Target

    a224157a9fe7df4ab2539b7f713122df.dll

  • Size

    231KB

  • MD5

    a224157a9fe7df4ab2539b7f713122df

  • SHA1

    a20e3f4045420945bcc93d7066e81f869238fc16

  • SHA256

    25d9002804c315ab26f8e1c6adbc31fcce8ac1b2fb00272d87763a0aef20b601

  • SHA512

    ec33b325ac7615a86eae9a3676b107cedb932cd7b14f14f961237280915b55ce8ffdaad5b7cb99fc741f87240a060a0319ad92a6db1d95ffe923f96515e3ee2a

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Z:jDgtfRQUHPw06MoV2nwTBlhm8x

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\a224157a9fe7df4ab2539b7f713122df.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a224157a9fe7df4ab2539b7f713122df.dll,#1
      2⤵
        PID:2760

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads