Analysis

  • max time kernel
    150s
  • 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
    24/03/2025, 02:54

General

  • Target

    2025-03-24_d8619186a38fc417025e032d2106997c_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    d8619186a38fc417025e032d2106997c

  • SHA1

    e655177f6952b366078d4f35fd521ac3c114bdd6

  • SHA256

    aacafa4db9a782ec4a36ad05fd36d7860460a0808f8c99711468cf295a2ed768

  • SHA512

    d60a3459e4d7875ef904e2a24948ab32eb201d77a4386bf24e21993226b7998b7f0c72a18f86d39753471361c8e43966b27b7a2388a1d796b254dc1819dc0a93

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfAhZytTD5iqkv:sxEvYjVzANIhwN2

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\2025-03-24_d8619186a38fc417025e032d2106997c_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-24_d8619186a38fc417025e032d2106997c_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:6088
    • 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:3068
    • C:\Users\Admin\AppData\Local\Temp\2025-03-24_d8619186a38fc417025e032d2106997c_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-24_d8619186a38fc417025e032d2106997c_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:2232
      • 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:5804
      • 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:4692
        • 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:5500
      • 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:5196
      • 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:2732
      • 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:2992
        • 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:3368
        • 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:2824
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3672
          • 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:620
          • 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:2752
          • 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:4832
          • 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:5096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rqej5iax.g0t.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

      88f2955f1f8f2a4f8b516b7afd4aeefd

      SHA1

      20145a7e0b6b32671c52847f5da0158284ac292a

      SHA256

      f7226fa361976677055dd49eab7a0a676003e3c844afb22eb17c12dd8b97574a

      SHA512

      65c79968765f372dedac2f96d169404d75e89982effb980a96a31911ba4b02d6ff1ae30dc8575e0bf87e74c4809e706fbd587cb309ea17c4ee177c703992a8ec

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

      Filesize

      19KB

      MD5

      dbe611c51311278120f3f5cad317afa5

      SHA1

      afc748ca442a6d9b6a8a539d76ea3ae387d77667

      SHA256

      f27042f455689c11ca5eb4daf8ede8cdc7b53950e3833dbb39749babb331acbd

      SHA512

      37e17ba6ff776be0caeed157ceb963af8bf0ebb8bb52248d4fe147e004236598b6fdd0b329dd33d47df98b29de43a690eef9524978bee81e9b3284f46b065c4f

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

      Filesize

      19KB

      MD5

      39ec7041c0fb606b3541bcb7457995d1

      SHA1

      32d09eaa2a11477aaf5a892ed9149f0bfb66fba2

      SHA256

      6c8d5ea4f6ab3512a6d8fcba495570587a4a2c3a677abc25e7f2c3fae49d6000

      SHA512

      95810ff197ad8ded0bcb0b17057e7100506a419c9b7e780e57fc166cd1775be9eaed6e2d38c47c4bcaa49039a1deb042cd1ffc50fa699ba039ed827617a74d8b

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

      Filesize

      19KB

      MD5

      a8cbe859b794a4cb0c8b6179eb663073

      SHA1

      7591cc5fef657a4e680115bb0b2e2dd39e6d8432

      SHA256

      8e5d6abf997cf55dcdbce60de3b59596c0e229f89f2175d9589c9360a5e616d2

      SHA512

      a4a697ab4b5e6f22b6a9bb6d6c2afdfaf2249629cd8a32f2dc5b30c45e717a30b63c0b9411539552e6a71dd3b2932818da2ca8a8b94b5940eda5b2fdd3f421c0

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

      Filesize

      19KB

      MD5

      9400ad60eb716e6297c1c940030e8bc1

      SHA1

      4a41b0cbfcd4c7176649d9f353cac970aa983fdc

      SHA256

      035d399b5a1eb7988be282fb4eb532df3b2e04a471204d5e0d246607a783ed21

      SHA512

      620a5c7fa1aeafbabde43558c46ae34f5cdbf1712c4a67792ae983d1fdac1079b50ebebfaee355976165817f09aab89af9e0c6869025a2cc3532a68e4251b4f6

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      d8619186a38fc417025e032d2106997c

      SHA1

      e655177f6952b366078d4f35fd521ac3c114bdd6

      SHA256

      aacafa4db9a782ec4a36ad05fd36d7860460a0808f8c99711468cf295a2ed768

      SHA512

      d60a3459e4d7875ef904e2a24948ab32eb201d77a4386bf24e21993226b7998b7f0c72a18f86d39753471361c8e43966b27b7a2388a1d796b254dc1819dc0a93

    • memory/620-179-0x0000000007140000-0x00000000071E3000-memory.dmp

      Filesize

      652KB

    • memory/620-168-0x00000000707E0000-0x000000007082C000-memory.dmp

      Filesize

      304KB

    • memory/620-167-0x0000000005F40000-0x0000000005F8C000-memory.dmp

      Filesize

      304KB

    • memory/620-169-0x0000000070F70000-0x00000000712C4000-memory.dmp

      Filesize

      3.3MB

    • memory/620-165-0x0000000005820000-0x0000000005B74000-memory.dmp

      Filesize

      3.3MB

    • memory/620-180-0x0000000007460000-0x0000000007471000-memory.dmp

      Filesize

      68KB

    • memory/620-181-0x0000000005CC0000-0x0000000005CD4000-memory.dmp

      Filesize

      80KB

    • memory/2732-111-0x0000000005440000-0x0000000005794000-memory.dmp

      Filesize

      3.3MB

    • memory/2732-113-0x0000000070960000-0x00000000709AC000-memory.dmp

      Filesize

      304KB

    • memory/2732-114-0x0000000071100000-0x0000000071454000-memory.dmp

      Filesize

      3.3MB

    • memory/2752-193-0x00000000707E0000-0x000000007082C000-memory.dmp

      Filesize

      304KB

    • memory/2752-194-0x0000000070F70000-0x00000000712C4000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-21-0x0000000007140000-0x00000000071B6000-memory.dmp

      Filesize

      472KB

    • memory/3068-25-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/3068-40-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-41-0x00000000074E0000-0x00000000074EA000-memory.dmp

      Filesize

      40KB

    • memory/3068-42-0x00000000075F0000-0x0000000007686000-memory.dmp

      Filesize

      600KB

    • memory/3068-43-0x00000000074F0000-0x0000000007501000-memory.dmp

      Filesize

      68KB

    • memory/3068-44-0x0000000007530000-0x000000000753E000-memory.dmp

      Filesize

      56KB

    • memory/3068-45-0x0000000007550000-0x0000000007564000-memory.dmp

      Filesize

      80KB

    • memory/3068-46-0x0000000007590000-0x00000000075AA000-memory.dmp

      Filesize

      104KB

    • memory/3068-47-0x0000000007580000-0x0000000007588000-memory.dmp

      Filesize

      32KB

    • memory/3068-50-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-38-0x00000000073F0000-0x0000000007493000-memory.dmp

      Filesize

      652KB

    • memory/3068-39-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-37-0x00000000073D0000-0x00000000073EE000-memory.dmp

      Filesize

      120KB

    • memory/3068-24-0x0000000007390000-0x00000000073C2000-memory.dmp

      Filesize

      200KB

    • memory/3068-27-0x0000000070FA0000-0x00000000712F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-26-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-23-0x00000000071E0000-0x00000000071FA000-memory.dmp

      Filesize

      104KB

    • memory/3068-22-0x0000000007840000-0x0000000007EBA000-memory.dmp

      Filesize

      6.5MB

    • memory/3068-20-0x00000000063C0000-0x0000000006404000-memory.dmp

      Filesize

      272KB

    • memory/3068-19-0x0000000005E50000-0x0000000005E9C000-memory.dmp

      Filesize

      304KB

    • memory/3068-18-0x0000000005E20000-0x0000000005E3E000-memory.dmp

      Filesize

      120KB

    • memory/3068-17-0x00000000057B0000-0x0000000005B04000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-7-0x0000000004F50000-0x0000000004FB6000-memory.dmp

      Filesize

      408KB

    • memory/3068-6-0x0000000004EE0000-0x0000000004F46000-memory.dmp

      Filesize

      408KB

    • memory/3068-4-0x0000000004E30000-0x0000000004E52000-memory.dmp

      Filesize

      136KB

    • memory/3068-5-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-2-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-3-0x0000000005080000-0x00000000056A8000-memory.dmp

      Filesize

      6.2MB

    • memory/3068-1-0x0000000002850000-0x0000000002886000-memory.dmp

      Filesize

      216KB

    • memory/3068-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

      Filesize

      4KB

    • memory/3368-140-0x0000000006BE0000-0x0000000006C2C000-memory.dmp

      Filesize

      304KB

    • memory/3368-142-0x0000000071080000-0x00000000713D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3368-152-0x0000000007B40000-0x0000000007BE3000-memory.dmp

      Filesize

      652KB

    • memory/3368-153-0x0000000007E90000-0x0000000007EA1000-memory.dmp

      Filesize

      68KB

    • memory/3368-154-0x00000000066D0000-0x00000000066E4000-memory.dmp

      Filesize

      80KB

    • memory/3368-141-0x00000000708C0000-0x000000007090C000-memory.dmp

      Filesize

      304KB

    • memory/3368-138-0x0000000006190000-0x00000000064E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5196-91-0x00000000710A0000-0x00000000713F4000-memory.dmp

      Filesize

      3.3MB

    • memory/5196-90-0x0000000070960000-0x00000000709AC000-memory.dmp

      Filesize

      304KB

    • memory/5196-88-0x0000000005980000-0x0000000005CD4000-memory.dmp

      Filesize

      3.3MB

    • memory/5804-75-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

      Filesize

      80KB

    • memory/5804-74-0x0000000006F60000-0x0000000006F71000-memory.dmp

      Filesize

      68KB

    • memory/5804-73-0x0000000006C60000-0x0000000006D03000-memory.dmp

      Filesize

      652KB

    • memory/5804-63-0x0000000071120000-0x0000000071474000-memory.dmp

      Filesize

      3.3MB

    • memory/5804-62-0x0000000070960000-0x00000000709AC000-memory.dmp

      Filesize

      304KB

    • memory/5804-61-0x0000000005A90000-0x0000000005ADC000-memory.dmp

      Filesize

      304KB

    • memory/5804-60-0x0000000005350000-0x00000000056A4000-memory.dmp

      Filesize

      3.3MB