Analysis

  • max time kernel
    36s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 15:06

General

  • Target

    600454d176a9c5159cd189600a0b72a71f1a747a5b9f54d0f1088ede7d3702b1.dll

  • Size

    610KB

  • MD5

    0d2d41a2355f3d27ca14b6f8fd6ba130

  • SHA1

    2cf40a7b5505b1666b007bcac6ca1f7d75a10755

  • SHA256

    600454d176a9c5159cd189600a0b72a71f1a747a5b9f54d0f1088ede7d3702b1

  • SHA512

    f9fafc67f4f5e7d779775da8c9eb86f8aa76f40a6c2b3c1cdb53128fa7ff7908cba6c529521664cc8ef00bf643acfcf6b6f7f4fd6534214069b16de5aff6be9f

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q04:jDgtfRQUHPw06MoV2nwTBlhm8g

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\600454d176a9c5159cd189600a0b72a71f1a747a5b9f54d0f1088ede7d3702b1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\600454d176a9c5159cd189600a0b72a71f1a747a5b9f54d0f1088ede7d3702b1.dll,#1
      2⤵
        PID:2032

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2032-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

      Filesize

      8KB