Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 22:53

General

  • Target

    657d3745b790d760e1e457e965dbcea0e2881c3cd6d29ffd5bde156c3222cefa.dll

  • Size

    181KB

  • MD5

    de03adcb2cf60b8fbee2992c812d683b

  • SHA1

    f4509af323aa23032265b29e8efc2eb0d388b887

  • SHA256

    657d3745b790d760e1e457e965dbcea0e2881c3cd6d29ffd5bde156c3222cefa

  • SHA512

    095e38feaf22895d99fb6458e324677efee6b6efd9e791e440cac7ec6691d1acfced1cec4f883efb59b5924d17624ca69167c88b7beb930f3cd25eaf707317b2

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q08:jDgtfRQUHPw06MoV2nwTBlhm8E

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\657d3745b790d760e1e457e965dbcea0e2881c3cd6d29ffd5bde156c3222cefa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\657d3745b790d760e1e457e965dbcea0e2881c3cd6d29ffd5bde156c3222cefa.dll,#1
      2⤵
        PID:1680

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads