Analysis

  • max time kernel
    138s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2023 04:43

General

  • Target

    NEAS.a50279abf94d8f03f0f3629568c150a0.dll

  • Size

    1.0MB

  • MD5

    a50279abf94d8f03f0f3629568c150a0

  • SHA1

    82f301a9df2d17c0a7989fdebaa667f0efeb23e0

  • SHA256

    416b4b83ffa31dd96b209898fdac4e264144b1610758e4691f6cc8218332851d

  • SHA512

    bb31fac21f0871109018f3900279a0fe4d28f8f98e1e01dee79b57e846182a66b8e8d8d16ae0f8d20abaf5d7763b81df0aa0dc2ac10ffd193b3712408c2a8149

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYi:o6RI1Fo/wT3cJYYYYYYYYYYYYi

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.a50279abf94d8f03f0f3629568c150a0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.a50279abf94d8f03f0f3629568c150a0.dll,#1
      2⤵
        PID:3544

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads