Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 08:09

General

  • Target

    4246d25e0308f685d265ad2e6e3f16924a16edf6fdfb328c9f75227e6b9636bf.dll

  • Size

    358KB

  • MD5

    e1d0efbcd450a46d8cbbebbe75499afa

  • SHA1

    612f33092b3c575b92cf959d78155bcab28fb462

  • SHA256

    4246d25e0308f685d265ad2e6e3f16924a16edf6fdfb328c9f75227e6b9636bf

  • SHA512

    c822989a2cdd72caff6ecb9f59d0cf35ea36cc18e663c817b0f4e2d128c08683707549aefc116b094c4b10aab60d964a0adaf82e6d8be1093feae5f90e6e2c80

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+: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\4246d25e0308f685d265ad2e6e3f16924a16edf6fdfb328c9f75227e6b9636bf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4246d25e0308f685d265ad2e6e3f16924a16edf6fdfb328c9f75227e6b9636bf.dll,#1
      2⤵
        PID:1996

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1996-55-0x00000000760E1000-0x00000000760E3000-memory.dmp

      Filesize

      8KB