Analysis

  • max time kernel
    222s
  • max time network
    285s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:49

General

  • Target

    ea838fc61f95dfd473500150f7e15760e7bf18452a2ceef95a41698821b14f45.dll

  • Size

    197KB

  • MD5

    9dc2730df2beae261c771a090cf47bf0

  • SHA1

    0fd3e2e3926dbb78b9848a613f289ccc946411f4

  • SHA256

    ea838fc61f95dfd473500150f7e15760e7bf18452a2ceef95a41698821b14f45

  • SHA512

    bfc56f1f0981df87d3e9cbcf1d12d75d7c35995dcc019549c502be57711198ad1d16cfde36bea8306c0307463f6f885e6b674070ca8c22be136bbf8e47e0d14c

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0M:jDgtfRQUHPw06MoV2nwTBlhm8U

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\ea838fc61f95dfd473500150f7e15760e7bf18452a2ceef95a41698821b14f45.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea838fc61f95dfd473500150f7e15760e7bf18452a2ceef95a41698821b14f45.dll,#1
      2⤵
        PID:4668

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads