Analysis

  • max time kernel
    43s
  • max time network
    46s
  • 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

    171f2ae98ea7a4dd9d7801a06cea46a15fe91c937c3bae01d1e6937ed880cee6.dll

  • Size

    742KB

  • MD5

    08f54da040229e0fba57386a0372b300

  • SHA1

    c0ff2234969669aabdde03eaf412a861818e8750

  • SHA256

    171f2ae98ea7a4dd9d7801a06cea46a15fe91c937c3bae01d1e6937ed880cee6

  • SHA512

    7a530b4adbc96258945fcf687bc9a1930b464012892dabf04894638ba35f5aff33029507c23a40be8a04af380854cef3fd98ea762be2d1a40045ae66b9239332

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0K:jDgtfRQUHPw06MoV2nwTBlhm8S

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\171f2ae98ea7a4dd9d7801a06cea46a15fe91c937c3bae01d1e6937ed880cee6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\171f2ae98ea7a4dd9d7801a06cea46a15fe91c937c3bae01d1e6937ed880cee6.dll,#1
      2⤵
        PID:2016

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2016-55-0x0000000076711000-0x0000000076713000-memory.dmp

      Filesize

      8KB