Analysis

  • max time kernel
    160s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:56

General

  • Target

    3dc6d14bc48ee2892c12c2a83afea5be5a5fd3477c94eca1be2c7fc36559f610.dll

  • Size

    548KB

  • MD5

    663fca5dd1e11dd39cc4645fb320ffb0

  • SHA1

    e92cf50896c250fde3022639557ba5dc3fdac09c

  • SHA256

    3dc6d14bc48ee2892c12c2a83afea5be5a5fd3477c94eca1be2c7fc36559f610

  • SHA512

    4373356cf5fab11cd8cb2cc73c98109ea4136a2b7620e6a6fcd65644b6e11232f35f49f19bfdc512f61d28d8dad55d83b89517d1f8b80c9775d8652b2fbbcb36

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0w:jDgtfRQUHPw06MoV2nwTBlhm8o

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\3dc6d14bc48ee2892c12c2a83afea5be5a5fd3477c94eca1be2c7fc36559f610.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc6d14bc48ee2892c12c2a83afea5be5a5fd3477c94eca1be2c7fc36559f610.dll,#1
      2⤵
        PID:1456

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1456-132-0x0000000000000000-mapping.dmp