Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 15:05

General

  • Target

    97fb6dbcc6cbf0c202142a7419534fe763f67ad4c70043dd1bb5a6690be00ba8.dll

  • Size

    762KB

  • MD5

    0cfb895d0aed770dee33b6db14c97f80

  • SHA1

    cd8381d5ac4b3ad41efd2b6c06df261b0da7f4ab

  • SHA256

    97fb6dbcc6cbf0c202142a7419534fe763f67ad4c70043dd1bb5a6690be00ba8

  • SHA512

    13ecfe4bea81e4bde240968cf2b9fc1aed9f9e17c29e2fa3073f10c6963a054fe7dff75d8498b335ab192f7fd1d62afe58175da86aaf605a9d2a9352a8a96c3b

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q00:jDgtfRQUHPw06MoV2nwTBlhm8s

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\97fb6dbcc6cbf0c202142a7419534fe763f67ad4c70043dd1bb5a6690be00ba8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\97fb6dbcc6cbf0c202142a7419534fe763f67ad4c70043dd1bb5a6690be00ba8.dll,#1
      2⤵
        PID:948

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/948-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

      Filesize

      8KB