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
    06-03-2024 00:12

General

  • Target

    b29b0233fdcf3fd733574505069a3a775dd3fac717a8090f814cf3ad702c1ea1.dll

  • Size

    1.0MB

  • MD5

    851ff5589289bb39a007306976088551

  • SHA1

    74c81794d373033edd142c35d1f5d3370417db59

  • SHA256

    b29b0233fdcf3fd733574505069a3a775dd3fac717a8090f814cf3ad702c1ea1

  • SHA512

    27129b7e224ec7ba6a9ac00404dfb8b5869724a0c94dde3f8652224c36395cbb3648ae6d8bfee4672e5d698c50ed393875d01d4509955b9c0c9929be932baa5c

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY6:o6RI1Fo/wT3cJYYYYYYYYYYYY6

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\b29b0233fdcf3fd733574505069a3a775dd3fac717a8090f814cf3ad702c1ea1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b29b0233fdcf3fd733574505069a3a775dd3fac717a8090f814cf3ad702c1ea1.dll,#1
      2⤵
        PID:1920

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads