Analysis

  • max time kernel
    48s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 02:43

General

  • Target

    c51d4514e9cbd14ce193c47bfe548eb607e408d63368f897d6a45ce519aae4d3.dll

  • Size

    215KB

  • MD5

    e7ccc9360ab7be9f919eaf5a0af64e0f

  • SHA1

    9d97fedea35c0d2de430903bf28066f222248f7a

  • SHA256

    c51d4514e9cbd14ce193c47bfe548eb607e408d63368f897d6a45ce519aae4d3

  • SHA512

    f1c159a200708f50651bd2aa18685d29e048c651db2e36d42b7b970390125833e91724d103ffea0a98861c11ec1ef7fb55776f58ae4eb03d559351eba5e80978

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0y:jDgtfRQUHPw06MoV2nwTBlhm86

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\c51d4514e9cbd14ce193c47bfe548eb607e408d63368f897d6a45ce519aae4d3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c51d4514e9cbd14ce193c47bfe548eb607e408d63368f897d6a45ce519aae4d3.dll,#1
      2⤵
        PID:840

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/840-55-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB