Analysis

  • max time kernel
    33s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:01

General

  • Target

    9301a0309f46893916627e7d6c4f2c710cc85408d38ea08a45251dbf28e42779.dll

  • Size

    226KB

  • MD5

    db5ba16152c5bccb076ec165ee0c4cb0

  • SHA1

    40ced2671557769517369a9dbdd742fa4a31514e

  • SHA256

    9301a0309f46893916627e7d6c4f2c710cc85408d38ea08a45251dbf28e42779

  • SHA512

    d8b0ef7b8e217c0e85b6d51ef72616b1f943631262fdb61cc55655e0c1e67d841502d68db62d9b5cb3cac57ef8d97a27d6a0a771a554c50326564b5623b49e6f

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Z:jDgtfRQUHPw06MoV2nwTBlhm8h

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\9301a0309f46893916627e7d6c4f2c710cc85408d38ea08a45251dbf28e42779.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9301a0309f46893916627e7d6c4f2c710cc85408d38ea08a45251dbf28e42779.dll,#1
      2⤵
        PID:1956

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1956-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

      Filesize

      8KB