Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 06:02

General

  • Target

    71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe

  • Size

    685KB

  • MD5

    89a8e2368f403528e58ea89fca2c4b30

  • SHA1

    21f196ea418a5796125500483754cf09a8111bf6

  • SHA256

    71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c

  • SHA512

    34cf94001566f2537f6433d7c4cbb89c780cc59c00a3fa4bcd3e9164553c4d0d651dbeb95ae439978890f74e00bded473eb46fb5e05cc2220abdc02a74b5f2a0

  • SSDEEP

    12288:Lnci3+GaMl9th6MLlRJTpx6a33Y9vZ5dQZcXFSRUR/dy9DoXAkkAntgoMdTewyb:FJtRJpx+xje+F9eDoXOfdTeN

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

USR

C2

pv8stresser.xyz:45201

Mutex

yzyrfG0e0ojtGuJLLm

Attributes
  • encryption_key

    MxiVBHqo0ITsYTvOCUNN6SV9XbYPIBwE

  • install_name

    Client.exe

  • log_directory

    Mozilla

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\71c5aa29fc4e8f9f853d757e40984e5e6b6376f5d241c21571671efb08653c3c_NeikiAnalytics.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2464
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\wfUIjfehRdMg.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:348
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1984
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 10 localhost
            4⤵
            • Runs ping.exe
            PID:2260
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2284
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 1460
            3⤵
            • Program crash
            PID:2100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\wfUIjfehRdMg.bat

        Filesize

        215B

        MD5

        aaa0c1403d2a6866bfd6560efb72c6ee

        SHA1

        e51cb590b4c6c6ca41348adcb79f20b48f48b004

        SHA256

        2679a5368c6b53e90a57610fdce7af867807f4692534ea59cca986c195bd9b60

        SHA512

        d02beb8cf1c7b40791c559177c08b6729c988b1a043d1b5e710a0f43be6e82ed56de809f2db8282063a0505ea179a51b839f43ebcf9f347ecf34ff885c87a313

      • memory/2284-95-0x0000000000900000-0x0000000000912000-memory.dmp

        Filesize

        72KB

      • memory/2436-83-0x0000000000400000-0x000000000048C000-memory.dmp

        Filesize

        560KB

      • memory/2464-11-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-70-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB

      • memory/2464-37-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-41-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-39-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-35-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-34-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-31-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-29-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-27-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-25-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-23-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-21-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-59-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-17-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-15-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-13-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

        Filesize

        4KB

      • memory/2464-94-0x0000000074A30000-0x000000007511E000-memory.dmp

        Filesize

        6.9MB

      • memory/2464-9-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-19-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-67-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-65-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-63-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-61-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-57-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-55-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-53-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-51-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-49-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-47-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-45-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-43-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-5-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-71-0x0000000000BD0000-0x0000000000C5C000-memory.dmp

        Filesize

        560KB

      • memory/2464-4-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-2-0x00000000001B0000-0x00000000001D8000-memory.dmp

        Filesize

        160KB

      • memory/2464-7-0x00000000001B0000-0x00000000001D1000-memory.dmp

        Filesize

        132KB

      • memory/2464-1-0x0000000000ED0000-0x0000000000F82000-memory.dmp

        Filesize

        712KB