Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2025, 03:53

General

  • Target

    2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    be0b87dfe646120b5b81eefcac6e230b

  • SHA1

    fa624a9cd8475e57771f9883f756c1f786156b82

  • SHA256

    1e4c64e66d954e64ae7e3c639d851f88cdda2e81b43dff26ca7fde158a54def3

  • SHA512

    aed828dfae4324843cbc0696533838aa9f99fb511450181dfc96b6147e117874fdd491aeea1a4387a2a60494a2accefd0408c2dceba878df7cbc95d0be8695b1

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfKhZytTD5iqUh:sxEvYjVzANyhwNA

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba family
  • Glupteba payload 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Drops file in System32 directory 7 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

    Using powershell.exe command.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Users\Admin\AppData\Local\Temp\2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-18_be0b87dfe646120b5b81eefcac6e230b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4600
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4740
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:5684
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4164
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2892
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5896
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:6080
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5820
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3656
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3800
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5516
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:5172
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:5388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dytxzuio.w2j.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

      Filesize

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      d65ec39a00ee8a6cc2334e9b3943e5cd

      SHA1

      52abce0974b3fd0d5b5e0d49704d3335c61d0514

      SHA256

      eb5a342a99bda19af186afdef4922da2e5f809fb909ca0245558361d5a94ef86

      SHA512

      87616885d4215ae447cc1e44a5a4a71cd0eab296814cc5a109920bf79d14b25fa855d4df0f86dcacdb18f02f5c83552025478d17f0d87b5114bed549b23480c9

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      0ddfd0c0f22bb74f58e1d1e8e5646def

      SHA1

      e4cae8b9657171b606e9e943cb84416c8cb79b8a

      SHA256

      e6e1ebc3a018cbb9afd125e6e705e26dc3e251d68648c8911f370b542f72b94c

      SHA512

      3627b72ebd89661789c42d16c4880a377151032efc5492436934a174acc9fd90f6d5ea705caaa23d039da964dc09dad4c5e76c904a0500476026c0432cd8cbef

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      7f116ed80537c16b73c650f33a19d389

      SHA1

      54490718bbe33c1d65e0c9f9676a60c365f1d72c

      SHA256

      16f4a552859ed84fc36863721193e3af9a9a85f457113d1c482f3e743cd7730c

      SHA512

      25b0f7b3a1bca067c6d628b8be6f16dd84a292701b373f11dbeabae016fd45b75934f245ae61ea294ed0df0c9d4640cd70721d95e31381bcd7c1f202c69c2fd2

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      8c5768bae7cdd490df2867c3c662dc35

      SHA1

      1eaf21bd0adb93f7d1fcf6a7535c62608213dd07

      SHA256

      e32a2c1165726aabd63143c423a5b2260d705fc18a032b647eb910c36ad92086

      SHA512

      44256064dfc1b8b0eac1cea28b2bff812ccd0877e78da1d442d9f5ce06f729269862bc5c54998617a3dc5062854741488014070f1d4ad61a1917ff30ea05f1a0

    • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

      Filesize

      19KB

      MD5

      486d7c64d428eeaed8451299b7ea9c59

      SHA1

      1dc34b2ca59a0f1ca021b9825475bbe06e1ea316

      SHA256

      cd98be1d0c3ef67a52ed85ea093478a9825d0c06af1e07dbbfbb6d272498211d

      SHA512

      5594f05f824824219e50369eb6b695844f371b31211b1739e01386158cec46aaed9c8ad26395005ed94759bb73dfc51b89c31e1f94c3fb87ae26943471fc21b8

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      be0b87dfe646120b5b81eefcac6e230b

      SHA1

      fa624a9cd8475e57771f9883f756c1f786156b82

      SHA256

      1e4c64e66d954e64ae7e3c639d851f88cdda2e81b43dff26ca7fde158a54def3

      SHA512

      aed828dfae4324843cbc0696533838aa9f99fb511450181dfc96b6147e117874fdd491aeea1a4387a2a60494a2accefd0408c2dceba878df7cbc95d0be8695b1

    • memory/2892-115-0x0000000070DC0000-0x0000000071114000-memory.dmp

      Filesize

      3.3MB

    • memory/2892-114-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/2892-112-0x0000000005F10000-0x0000000006264000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-43-0x00000000074D0000-0x0000000007566000-memory.dmp

      Filesize

      600KB

    • memory/3048-20-0x0000000006ED0000-0x0000000006F14000-memory.dmp

      Filesize

      272KB

    • memory/3048-22-0x0000000007770000-0x0000000007DEA000-memory.dmp

      Filesize

      6.5MB

    • memory/3048-23-0x0000000007110000-0x000000000712A000-memory.dmp

      Filesize

      104KB

    • memory/3048-25-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-24-0x00000000072C0000-0x00000000072F2000-memory.dmp

      Filesize

      200KB

    • memory/3048-26-0x0000000070B30000-0x0000000070B7C000-memory.dmp

      Filesize

      304KB

    • memory/3048-27-0x0000000070F00000-0x0000000071254000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-37-0x0000000007300000-0x000000000731E000-memory.dmp

      Filesize

      120KB

    • memory/3048-38-0x0000000007320000-0x00000000073C3000-memory.dmp

      Filesize

      652KB

    • memory/3048-40-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-39-0x0000000007410000-0x000000000741A000-memory.dmp

      Filesize

      40KB

    • memory/3048-42-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-41-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-1-0x00000000023D0000-0x0000000002406000-memory.dmp

      Filesize

      216KB

    • memory/3048-44-0x0000000007450000-0x0000000007461000-memory.dmp

      Filesize

      68KB

    • memory/3048-45-0x0000000007490000-0x000000000749E000-memory.dmp

      Filesize

      56KB

    • memory/3048-46-0x00000000074A0000-0x00000000074B4000-memory.dmp

      Filesize

      80KB

    • memory/3048-47-0x0000000007590000-0x00000000075AA000-memory.dmp

      Filesize

      104KB

    • memory/3048-48-0x0000000007580000-0x0000000007588000-memory.dmp

      Filesize

      32KB

    • memory/3048-51-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-21-0x0000000007070000-0x00000000070E6000-memory.dmp

      Filesize

      472KB

    • memory/3048-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/3048-19-0x0000000005D80000-0x0000000005DCC000-memory.dmp

      Filesize

      304KB

    • memory/3048-2-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-3-0x0000000004DB0000-0x00000000053D8000-memory.dmp

      Filesize

      6.2MB

    • memory/3048-4-0x0000000074C90000-0x0000000075440000-memory.dmp

      Filesize

      7.7MB

    • memory/3048-5-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

      Filesize

      136KB

    • memory/3048-18-0x0000000005D30000-0x0000000005D4E000-memory.dmp

      Filesize

      120KB

    • memory/3048-7-0x0000000005550000-0x00000000055B6000-memory.dmp

      Filesize

      408KB

    • memory/3048-17-0x0000000005690000-0x00000000059E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3048-6-0x00000000054E0000-0x0000000005546000-memory.dmp

      Filesize

      408KB

    • memory/3800-169-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

      Filesize

      304KB

    • memory/3800-180-0x00000000075C0000-0x0000000007663000-memory.dmp

      Filesize

      652KB

    • memory/3800-181-0x0000000007920000-0x0000000007931000-memory.dmp

      Filesize

      68KB

    • memory/3800-170-0x0000000071260000-0x00000000715B4000-memory.dmp

      Filesize

      3.3MB

    • memory/3800-182-0x0000000006110000-0x0000000006124000-memory.dmp

      Filesize

      80KB

    • memory/3800-168-0x00000000063C0000-0x000000000640C000-memory.dmp

      Filesize

      304KB

    • memory/3800-166-0x0000000005C10000-0x0000000005F64000-memory.dmp

      Filesize

      3.3MB

    • memory/4164-92-0x0000000071060000-0x00000000713B4000-memory.dmp

      Filesize

      3.3MB

    • memory/4164-91-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/4164-89-0x0000000005FA0000-0x00000000062F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-62-0x00000000065B0000-0x00000000065FC000-memory.dmp

      Filesize

      304KB

    • memory/4600-63-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/4600-58-0x0000000005F30000-0x0000000006284000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-64-0x00000000713C0000-0x0000000071714000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-74-0x0000000007740000-0x00000000077E3000-memory.dmp

      Filesize

      652KB

    • memory/4600-75-0x0000000007A70000-0x0000000007A81000-memory.dmp

      Filesize

      68KB

    • memory/4600-76-0x0000000007AC0000-0x0000000007AD4000-memory.dmp

      Filesize

      80KB

    • memory/5516-193-0x0000000005930000-0x0000000005C84000-memory.dmp

      Filesize

      3.3MB

    • memory/5516-195-0x0000000070AB0000-0x0000000070AFC000-memory.dmp

      Filesize

      304KB

    • memory/5516-196-0x0000000070C30000-0x0000000070F84000-memory.dmp

      Filesize

      3.3MB

    • memory/6080-139-0x0000000005A50000-0x0000000005DA4000-memory.dmp

      Filesize

      3.3MB

    • memory/6080-141-0x0000000006640000-0x000000000668C000-memory.dmp

      Filesize

      304KB

    • memory/6080-142-0x0000000070B90000-0x0000000070BDC000-memory.dmp

      Filesize

      304KB

    • memory/6080-143-0x0000000070FB0000-0x0000000071304000-memory.dmp

      Filesize

      3.3MB

    • memory/6080-155-0x0000000005950000-0x0000000005964000-memory.dmp

      Filesize

      80KB

    • memory/6080-153-0x0000000007340000-0x00000000073E3000-memory.dmp

      Filesize

      652KB

    • memory/6080-154-0x00000000076A0000-0x00000000076B1000-memory.dmp

      Filesize

      68KB