Analysis

  • max time kernel
    35s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 00:12

General

  • Target

    207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll

  • Size

    617KB

  • MD5

    81c7e540ee4c1290fc3b0e86b1097120

  • SHA1

    2a8a26bb9cf57cf1535b3e9ad609679ede826117

  • SHA256

    207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f

  • SHA512

    e2dee1c5640aa80558b5fdb821e807e9e48ec0085a1536aca279342d1e295b73ae2dbfe33283bb7cce6a9275c686ed49c50462c601b6721ef6a6db1c2a502fbe

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8b

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\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\207a5de0ac3203b1128c5bf2603d64cc0136408747d7d8adf8d6ae53cb37836f.dll,#1
      2⤵
        PID:1376

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1376-54-0x0000000000000000-mapping.dmp

    • memory/1376-55-0x0000000075921000-0x0000000075923000-memory.dmp

      Filesize

      8KB