Analysis

  • max time kernel
    186s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 21:57

General

  • Target

    fe66b4975fcb8a321e6b55d7e7fa626baf4daa389c038fda0a7d07eeed26183c.dll

  • Size

    128KB

  • MD5

    24293ebdce464adf81fa7df9b69cbc67

  • SHA1

    9a4c183ae33d3ec5a43e0c2330bd7328190da6a3

  • SHA256

    fe66b4975fcb8a321e6b55d7e7fa626baf4daa389c038fda0a7d07eeed26183c

  • SHA512

    4d2bfef4c01efb595c3e66f0b5998e277c4f488fdd51899e18812344617ab88c46b2af5183d27cdf07acc1b67d4d5929c3b19f5631240845fe5f841f0570f392

  • SSDEEP

    3072:sAxv9I4I5taw3nI9sLVWGqeAzV2CdJSTBftoMY5dOf3QK:sAV9q5ww3nI+xboV2UJSTBlinsP

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\fe66b4975fcb8a321e6b55d7e7fa626baf4daa389c038fda0a7d07eeed26183c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe66b4975fcb8a321e6b55d7e7fa626baf4daa389c038fda0a7d07eeed26183c.dll,#1
      2⤵
        PID:480

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads