Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 11:06

General

  • Target

    ac663c1dccf3868c4a2e3ee6bc16c3c5dd351c9abbb93313f45f5ef51154d862.dll

  • Size

    508KB

  • MD5

    ca75f031ad969647c232eca59552b0c0

  • SHA1

    5dad46c24b47e53e313f22d3b874aed432df9eb3

  • SHA256

    ac663c1dccf3868c4a2e3ee6bc16c3c5dd351c9abbb93313f45f5ef51154d862

  • SHA512

    69433de8471bd10944e8421d1c5c18da8f9bf7c58f704ced18b3a20cfac076893d5d69985edbc5d24e23cb09d8b461ea288d2826f4fd0248306fdd351ab812e7

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q01:jDgtfRQUHPw06MoV2nwTBlhm89

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\ac663c1dccf3868c4a2e3ee6bc16c3c5dd351c9abbb93313f45f5ef51154d862.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac663c1dccf3868c4a2e3ee6bc16c3c5dd351c9abbb93313f45f5ef51154d862.dll,#1
      2⤵
        PID:2184

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads