Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 19:32

General

  • Target

    e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll

  • Size

    246KB

  • MD5

    7713eb6938018847c859246bf072d9d2

  • SHA1

    11eba64c80d797324f06eabcc01bca880c23de95

  • SHA256

    e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98

  • SHA512

    e6564fde306fdf80b912a531e295f4ec180487f6a99472c063e0a597b3c426e5590e8bc938d44205ab4fc4303526205421e52a9c46299ff3358bd4b3d15d3b69

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm84

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\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e58b09addd9d96efe60189ace754cbfa0b22b7a4c7f2995941c127daee388b98.dll,#1
      2⤵
        PID:8

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/8-132-0x0000000000000000-mapping.dmp