Analysis

  • max time kernel
    133s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 01:57

General

  • Target

    3015cc3589ad765849cf18ccbc08a8561bc76ff0ef970fe7c4a435146e143003.dll

  • Size

    528KB

  • MD5

    52a0bbfa451c42ecc92277242e380870

  • SHA1

    edb53afbf64f1af62de279b194fd4aacb5f96553

  • SHA256

    3015cc3589ad765849cf18ccbc08a8561bc76ff0ef970fe7c4a435146e143003

  • SHA512

    f506015909fb3b07edf945fe321bfd8c067eaf14d8043ce47c9d094af863574da178395dcc937f55cefd2eac3d60d6ebee530ebe8c46bb6163da3b654dcd826a

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q05:jDgtfRQUHPw06MoV2nwTBlhm8x

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3015cc3589ad765849cf18ccbc08a8561bc76ff0ef970fe7c4a435146e143003.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3015cc3589ad765849cf18ccbc08a8561bc76ff0ef970fe7c4a435146e143003.dll,#1
      2⤵
        PID:2128

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2128-132-0x0000000000000000-mapping.dmp