Analysis

  • max time kernel
    36s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 19:33

General

  • Target

    0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll

  • Size

    419KB

  • MD5

    5d4cf16ecd3d08650b347e190a502d70

  • SHA1

    885424cca7deaf6ff4edd624ad957c8a42355b98

  • SHA256

    0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6

  • SHA512

    87ef73bcd6660de303533a0734457da91a2c299bbdb3e17d4a9480c08a3a8d1cc8d217bdd2d0310fed28313e7a859898b9a6d708edfd1e087ad1e95c74b2e5b8

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q04:jDgtfRQUHPw06MoV2nwTBlhm8Q

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\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ad5f8ca2bffb2fbdcb91cf3429708dc6a72506b37ed083f0420bdd8ed151fe6.dll,#1
      2⤵
        PID:1400

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1400-54-0x0000000000000000-mapping.dmp

    • memory/1400-55-0x0000000076701000-0x0000000076703000-memory.dmp

      Filesize

      8KB