Analysis

  • max time kernel
    148s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 04:09

General

  • Target

    150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe

  • Size

    1.2MB

  • MD5

    a56950b911b53a07e64b1a2f87c2907c

  • SHA1

    2d61afb037ac5ce044b5258b581b28badffae235

  • SHA256

    150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8

  • SHA512

    16a3417b212243bb8bb9814636f364971292a75cf2901d936141ddb7afa7ad63da52bcbfa429de7f867ac05fa71d7c7c34459d3e86243cecfeee46f34ccf0bcc

Malware Config

Extracted

Family

quasar

Version

2.1.0.0

Botnet

Wraith00hrs

C2

100.26.221.183:4782

Mutex

VNM_MUTEX_kv7tSTHxhbSWaYVuIh

Attributes
  • encryption_key

    VyRhk9JpIqX4HHIRBxn8

  • install_name

    windows chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    chrome Startup

  • subdirectory

    SubDir

Extracted

Family

warzonerat

C2

100.26.221.183:5200

Signatures

  • Contains code to disable Windows Defender 11 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Quasar Payload 11 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • VenomRAT

    VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT Payload 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
    "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Ucjyesajhla.vbs"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe
        "C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1868
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "chrome Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:1088
        • C:\Users\Admin\AppData\Roaming\SubDir\windows chrome.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\windows chrome.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1924
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "chrome Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\windows chrome.exe" /rl HIGHEST /f
            5⤵
            • Creates scheduled task(s)
            PID:1604
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell" Get-MpPreference -verbose
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1536
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*
            5⤵
              PID:1228
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\wZCZMKCqKHy2.bat" "
            4⤵
            • Loads dropped DLL
            PID:1152
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:824
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:936
              • C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe
                "C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:524
        • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
          "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
          2⤵
            PID:1308
          • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
            "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
            2⤵
              PID:1960
            • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
              "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
              2⤵
                PID:1796
              • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
                "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
                2⤵
                  PID:1920
                • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
                  "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
                  2⤵
                    PID:1264
                  • C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe
                    "C:\Users\Admin\AppData\Local\Temp\150ba1e4f4c8340037db7b118b3f95280e231656bdf1f575aa5a2d73591267c8.exe"
                    2⤵
                    • Adds Run key to start application
                    PID:1916

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • C:\Users\Admin\AppData\Local\Temp\CreativeCloudv.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • C:\Users\Admin\AppData\Local\Temp\Ucjyesajhla.vbs

                  Filesize

                  102B

                  MD5

                  4e190d8967b1a3444f9415b850f7f1de

                  SHA1

                  ba0336117fd8f29d19befb740d702cb32b9458ec

                  SHA256

                  5968a1b0a70ee3af256dbbc94ea040822985a965b68fa5964037b25231a1151d

                  SHA512

                  5afbd7492274ec2abb6d6fae4bd5f97f684fe1f27e11f73e4548b16a93f50fddb889a0747e2171345ededa8674ee8c50508cb7db188ca30a468c590075f528e8

                • C:\Users\Admin\AppData\Local\Temp\wZCZMKCqKHy2.bat

                  Filesize

                  211B

                  MD5

                  f86ca844709005564774188aa73d75ca

                  SHA1

                  30752de5df992114c0d3fb19489ca115fe386184

                  SHA256

                  4e0dd6d60033e339bacb9e31d58091b70c04423dc81ff44b5608ce3440d2022c

                  SHA512

                  204889624e72f2c1f229eec3276f0a87646548a278bea0f0db9742d0c07eea141e4bda3a4dcebb00e7d687dcc35adbb7e237157d3a5290fcf5e5c083a2377ea7

                • C:\Users\Admin\AppData\Roaming\SubDir\windows chrome.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • C:\Users\Admin\AppData\Roaming\SubDir\windows chrome.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • \Users\Admin\AppData\Local\Temp\CreativeCloudv.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • \Users\Admin\AppData\Local\Temp\CreativeCloudv.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • \Users\Admin\AppData\Roaming\SubDir\windows chrome.exe

                  Filesize

                  534KB

                  MD5

                  4ad1c7279f350bad69cec245674fbdbd

                  SHA1

                  af9cb6ea681d09f9c535d5bd55a9adcf5c9bc7f2

                  SHA256

                  9505524dff86345befdf3ce0dba5a7a58abe57725badbe0aa19a16ac20579422

                  SHA512

                  740190c6aceab1a81c37455cf86ae87908f77feb1dcff042c90ade2baeae730fdd0ade9f3921b56df6f55e726e2fb284909c62a0862147f6e679b7aa51f79d86

                • memory/524-102-0x0000000000160000-0x00000000001EC000-memory.dmp

                  Filesize

                  560KB

                • memory/952-55-0x0000000000430000-0x0000000000436000-memory.dmp

                  Filesize

                  24KB

                • memory/952-54-0x0000000000200000-0x0000000000334000-memory.dmp

                  Filesize

                  1.2MB

                • memory/952-58-0x0000000000660000-0x000000000067C000-memory.dmp

                  Filesize

                  112KB

                • memory/952-56-0x0000000000550000-0x00000000005E4000-memory.dmp

                  Filesize

                  592KB

                • memory/1536-90-0x000000006EB70000-0x000000006F11B000-memory.dmp

                  Filesize

                  5.7MB

                • memory/1536-92-0x0000000002272000-0x0000000002274000-memory.dmp

                  Filesize

                  8KB

                • memory/1868-65-0x0000000001020000-0x00000000010AC000-memory.dmp

                  Filesize

                  560KB

                • memory/1916-74-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-69-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-81-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-72-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-75-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-80-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-66-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-76-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-71-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1916-67-0x0000000000400000-0x0000000000554000-memory.dmp

                  Filesize

                  1.3MB

                • memory/1924-88-0x0000000001190000-0x000000000121C000-memory.dmp

                  Filesize

                  560KB

                • memory/2000-60-0x00000000750C1000-0x00000000750C3000-memory.dmp

                  Filesize

                  8KB