Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 20:35

General

  • Target

    034dcf3eae831d7b6ff47a015533c05f.dll

  • Size

    239KB

  • MD5

    034dcf3eae831d7b6ff47a015533c05f

  • SHA1

    f43620ee0419f85de4587a13321f40c2120128f0

  • SHA256

    34c87cd5440425f461158ff0303406865d0cc31e9ad8c20e136f2ac75a6e247a

  • SHA512

    9df6af13c3d44fa9413543dcc22dd969ec3164f040265a6278161628f7f140d9968c0e059040c702e43600b9d9830b2a8875da230510e640d6850485aafd035c

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0j:jDgtfRQUHPw06MoV2nwTBlhm87

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\034dcf3eae831d7b6ff47a015533c05f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\034dcf3eae831d7b6ff47a015533c05f.dll,#1
      2⤵
        PID:1120

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads