Analysis

  • max time kernel
    34s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 08:45

General

  • Target

    762ccea2c53ba132997f8632030e076494c0d8d77bdc8200289105cfafd8786d.dll

  • Size

    228KB

  • MD5

    9c6f19654624c466c6b3539e7a1acd58

  • SHA1

    a12f6e16fe3fa17f3e7fe60bd16cb58ec31f2b51

  • SHA256

    762ccea2c53ba132997f8632030e076494c0d8d77bdc8200289105cfafd8786d

  • SHA512

    7a82a7d472bd13ef5bb8f3bd762d5659082eabdb4b7984c9beaf079c6b36da95ac8f95312dee8e3851e517a112fbe2bbc6eb0ae2d4aa5f412bfb979753848b39

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0N:jDgtfRQUHPw06MoV2nwTBlhm8F

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\762ccea2c53ba132997f8632030e076494c0d8d77bdc8200289105cfafd8786d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\762ccea2c53ba132997f8632030e076494c0d8d77bdc8200289105cfafd8786d.dll,#1
      2⤵
        PID:1136

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1136-55-0x0000000075F51000-0x0000000075F53000-memory.dmp

      Filesize

      8KB