Analysis

  • max time kernel
    184s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 12:55

General

  • Target

    49c7c6914243ce2615f3a360a501efee92bc65653a18498f32c6a83c10831a3e.dll

  • Size

    309KB

  • MD5

    edc236c595a5c76ead85eff84ba2bbb0

  • SHA1

    cc13d25779817bd404a906bae86ffde1e7975bbe

  • SHA256

    49c7c6914243ce2615f3a360a501efee92bc65653a18498f32c6a83c10831a3e

  • SHA512

    71e1a2c24e7a402fb43f949c4ff33e5b36a215601e19e6cd6909a036e7f2884b532651cdd5a434bb9883cb17f1aa233ca0cb4fd27a574d00c6d99238b4b3538e

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0S:jDgtfRQUHPw06MoV2nwTBlhm8K

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\49c7c6914243ce2615f3a360a501efee92bc65653a18498f32c6a83c10831a3e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\49c7c6914243ce2615f3a360a501efee92bc65653a18498f32c6a83c10831a3e.dll,#1
      2⤵
        PID:3040

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3040-132-0x0000000000000000-mapping.dmp