Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-01-2023 02:24

General

  • Target

    758f3d2ba8130302a90b31c91862250ebcfe4e6a3a99bcef12ed7ce2f914c868.dll

  • Size

    356KB

  • MD5

    dccafd855960c17fc7d5aa4f86600fa0

  • SHA1

    5e7320c412444a6f79820a89da8677ece3dd7759

  • SHA256

    758f3d2ba8130302a90b31c91862250ebcfe4e6a3a99bcef12ed7ce2f914c868

  • SHA512

    5a2bc1d30ce9c31f10802d18a9c496b52e2ee1ae7c4f38e3b016c25cb1a684a4167ef5c1f38fda90818b7209c6a7c52350457bf60b94785c8155395a5b3caa9d

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0H:jDgtfRQUHPw06MoV2nwTBlhm8f

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\758f3d2ba8130302a90b31c91862250ebcfe4e6a3a99bcef12ed7ce2f914c868.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\758f3d2ba8130302a90b31c91862250ebcfe4e6a3a99bcef12ed7ce2f914c868.dll,#1
      2⤵
        PID:1716

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads