Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2023 14:16

General

  • Target

    NEAS.5829eb14e2563ae496ed5a94516199b0_JC.dll

  • Size

    621KB

  • MD5

    5829eb14e2563ae496ed5a94516199b0

  • SHA1

    4220e8d69aed40bfee6b0cad29a8803d076fcec4

  • SHA256

    486b7a2f68505d1d3b8189973ec7d634c0a9120a65b299201b7aa6a8390dbbd1

  • SHA512

    88083e6dfeac05a16dae39ccd68ce2c76d7e271e42343fa627d201bbdf2c08803fad75aee102dfff45123dd33ba49c454c5ae97cce3291a24e1b59164ec6c1b5

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYF:o6RI1Fo/wT3cJYYYYYYYYYYYYF

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\NEAS.5829eb14e2563ae496ed5a94516199b0_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.5829eb14e2563ae496ed5a94516199b0_JC.dll,#1
      2⤵
        PID:1244

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads