Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22/10/2021, 07:49

General

  • Target
    83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc.exe
  • Size 1.7MB
  • Sample211022-jnpfsscbej
  • SHA256 83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cobaltstrike

C2
  • http://192.168.50.210:80/Rdu2

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc.exe
    "C:\Users\Admin\AppData\Local\Temp\83f06213409abbf39756e856aea050e2b7b40b0c488ac6b966b15cbb2ec1e5fc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\System32\notepad.exe
      C:\Windows\System32\notepad.exe
      2⤵
        PID:760

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/760-56-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmp

          memory/760-57-0x0000000077540000-0x00000000776E9000-memory.dmp

          memory/760-58-0x000007FEFD680000-0x000007FEFD6EC000-memory.dmp

          memory/760-59-0x00000000000A0000-0x00000000000A1000-memory.dmp