Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 12:47

General

  • Target

    8887a1397118b500e3b2982546c38710_NEAS.dll

  • Size

    820KB

  • MD5

    8887a1397118b500e3b2982546c38710

  • SHA1

    8cbad0fe21d2c030d6b3b993afcb98a679f92caf

  • SHA256

    3a6d635237c06523388c4fd2d324adaff5b6f98459cee975921a2250c65ce289

  • SHA512

    a1f0837534b9e352d4b790bb58ce3a0f224b191aa318bfa28069d79496f3be5bb8ae5bb53bec8b41c59813b41aa9e6431f96f1e06552a56bb7f6f6acf27382b0

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYW:o6RI1Fo/wT3cJYYYYYYYYYYYYW

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8887a1397118b500e3b2982546c38710_NEAS.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8887a1397118b500e3b2982546c38710_NEAS.dll,#1
      2⤵
        PID:1908

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads