Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:05

General

  • Target

    0f3381b97a0744b00df9a9858c7a465a195043ec25c99be33d6365f67d64acf3.dll

  • Size

    392KB

  • MD5

    478df6ec6436b2db864c4a81817b3e20

  • SHA1

    aff7a6bdb7ab0b3ef3fc8506cff404d6f5fbe229

  • SHA256

    0f3381b97a0744b00df9a9858c7a465a195043ec25c99be33d6365f67d64acf3

  • SHA512

    684a93f278b7609265b2f044413e267181f219ef98735160a7deb1725fbd67f02adcbf3ee8f5d9dd1979c3f929a1c00d81f146d249bdf8bd3deb3a90a58edd4a

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0s:jDgtfRQUHPw06MoV2nwTBlhm8U

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\0f3381b97a0744b00df9a9858c7a465a195043ec25c99be33d6365f67d64acf3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f3381b97a0744b00df9a9858c7a465a195043ec25c99be33d6365f67d64acf3.dll,#1
      2⤵
        PID:916

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/916-55-0x0000000076091000-0x0000000076093000-memory.dmp

      Filesize

      8KB