Analysis

  • max time kernel
    38s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:05

General

  • Target

    042a484119cb4cd5e6e26c7a18f040189ebed6646d1238672d97c7d73cf79848.dll

  • Size

    628KB

  • MD5

    eed5d7f8bca65c8925578c40601e5690

  • SHA1

    1164caa8613734cbda22b8a0ae7f5975073abb48

  • SHA256

    042a484119cb4cd5e6e26c7a18f040189ebed6646d1238672d97c7d73cf79848

  • SHA512

    64df01da58204f9d97d7ac606cdc401aa4e14b5f55b63005d5ca47078dfabd1978d096235f4c39cf2e8c928e360a539ca74345bd8d3fd8990c26361ff063d513

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0I: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\042a484119cb4cd5e6e26c7a18f040189ebed6646d1238672d97c7d73cf79848.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\042a484119cb4cd5e6e26c7a18f040189ebed6646d1238672d97c7d73cf79848.dll,#1
      2⤵
        PID:1108

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1108-55-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

      Filesize

      8KB