Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 10:37

General

  • Target

    2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    74ea3528711206c313711f523311365b

  • SHA1

    4c8246ee00627b5387b7220d4e5a9c84b3caf65f

  • SHA256

    d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1

  • SHA512

    e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6j:sxEvYjVzANihwN4

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\2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_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:2992
    • 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:1564
    • C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-22_74ea3528711206c313711f523311365b_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:1780
      • 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:528
      • 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:5880
        • 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:3312
      • 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:2576
      • 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:5720
      • 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:1264
        • 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:5232
        • 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:4076
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4752
          • 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:5320
          • 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:1232
          • 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:4788
          • 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:5296

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t4r1cqw2.sd2.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

      0d3b3785ad3fce700e85494e8251e3bf

      SHA1

      5b322867152987ea09f2fb132dd792e639db89d3

      SHA256

      067e95d1329a82de80b6c28e8b24801d0f72975b6c0e788949200ed018325da5

      SHA512

      63aeeba68a20107ba74b4e577234570c425979bc96e06381309d41115f439c028eb5ffa2f498e23060d1a75e40916ccf7af02d54b08c2263bb5870bf01267fca

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

      Filesize

      19KB

      MD5

      9c142524f1f25ac13ec2feb2cf940210

      SHA1

      c65352fcb262b0ef3e3e6ec86d76928eb95f05f6

      SHA256

      bdcdc11dbd330035049e8342024f678f81b9765ac1e1738a509000b8e96e9fa8

      SHA512

      a189c4313c228f8dbf0ce3f18948a8dbdeb656a6eefba72ef401af8c94a84752f1ace0e3d8b425040ea7dc948a2360e308a9e62bf732208602594784c1e153e6

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

      Filesize

      19KB

      MD5

      e3965655d1c587a682c21f46c462c9cd

      SHA1

      297396112495107a68c7ecb6b9c7d246b8f0ba80

      SHA256

      435f18ed3ce17551bddc7688de521e5484e4a6ce24bfca4e6a2f6588e9fec007

      SHA512

      dba0b9a33e45e148831c2fef3c91af0ab30ad601621f025eebb7ab3f6ba75b5cc1dca396048657c7af55805cbf239c39f98a387af0cc3b34321862a492363751

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

      Filesize

      19KB

      MD5

      f7fdfe34b2eef14d47ab4c454b6b74ff

      SHA1

      9139f365cafffdbd4484fe6b467cc1787265e3d9

      SHA256

      f60844abb648902c0f3ed88078e34a3361bfe0c2654ec1016d4e50bae51857c4

      SHA512

      56a6b9a21de1e48ce827ab64990de0a674237b22ff3fe9e0c8c88ee46c2b9865b0b05aa22b1a3303f35d1aadaefafd8950ff14500343ee226567748cb65249e1

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

      Filesize

      19KB

      MD5

      186624028d96a9f2017c27ccc14343ef

      SHA1

      6995b11f187fa5bfcaa7b12f18527799461964a4

      SHA256

      c5e91a7da2d25e90b2292a6769a989949ccad596b55a206c015923e4f445357b

      SHA512

      d818026816e81f17bae8fb68a102febd7fb537223effb99ca00175c88f8d2eab3c6375b03bf15fc746bf784698c2871825cf32fd2492e1262dbf36ec870e1903

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      74ea3528711206c313711f523311365b

      SHA1

      4c8246ee00627b5387b7220d4e5a9c84b3caf65f

      SHA256

      d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1

      SHA512

      e34bcdb5b7e8417559204c276dcec1b6c748f6507e0601d643b0bb2132a547064b8d775acbf3e011e2866e911130c718241c19b49cafb0fdbc11560951aa6da3

    • memory/528-60-0x00000000063B0000-0x0000000006704000-memory.dmp

      Filesize

      3.3MB

    • memory/528-75-0x0000000007E50000-0x0000000007E64000-memory.dmp

      Filesize

      80KB

    • memory/528-74-0x0000000007E00000-0x0000000007E11000-memory.dmp

      Filesize

      68KB

    • memory/528-73-0x0000000007AF0000-0x0000000007B93000-memory.dmp

      Filesize

      652KB

    • memory/528-62-0x0000000070920000-0x000000007096C000-memory.dmp

      Filesize

      304KB

    • memory/528-63-0x0000000070AD0000-0x0000000070E24000-memory.dmp

      Filesize

      3.3MB

    • memory/528-61-0x0000000006970000-0x00000000069BC000-memory.dmp

      Filesize

      304KB

    • memory/1232-194-0x00000000707A0000-0x00000000707EC000-memory.dmp

      Filesize

      304KB

    • memory/1232-183-0x0000000005990000-0x0000000005CE4000-memory.dmp

      Filesize

      3.3MB

    • memory/1232-195-0x0000000070F30000-0x0000000071284000-memory.dmp

      Filesize

      3.3MB

    • memory/1564-24-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-0-0x000000007498E000-0x000000007498F000-memory.dmp

      Filesize

      4KB

    • memory/1564-39-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-40-0x00000000072E0000-0x00000000072EA000-memory.dmp

      Filesize

      40KB

    • memory/1564-41-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-38-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-42-0x00000000073F0000-0x0000000007486000-memory.dmp

      Filesize

      600KB

    • memory/1564-43-0x00000000072F0000-0x0000000007301000-memory.dmp

      Filesize

      68KB

    • memory/1564-44-0x0000000007330000-0x000000000733E000-memory.dmp

      Filesize

      56KB

    • memory/1564-45-0x0000000007350000-0x0000000007364000-memory.dmp

      Filesize

      80KB

    • memory/1564-46-0x00000000073A0000-0x00000000073BA000-memory.dmp

      Filesize

      104KB

    • memory/1564-47-0x0000000007390000-0x0000000007398000-memory.dmp

      Filesize

      32KB

    • memory/1564-50-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-36-0x00000000071D0000-0x00000000071EE000-memory.dmp

      Filesize

      120KB

    • memory/1564-26-0x00000000709C0000-0x0000000070D14000-memory.dmp

      Filesize

      3.3MB

    • memory/1564-16-0x0000000005620000-0x0000000005974000-memory.dmp

      Filesize

      3.3MB

    • memory/1564-25-0x0000000070820000-0x000000007086C000-memory.dmp

      Filesize

      304KB

    • memory/1564-23-0x0000000007190000-0x00000000071C2000-memory.dmp

      Filesize

      200KB

    • memory/1564-21-0x0000000007630000-0x0000000007CAA000-memory.dmp

      Filesize

      6.5MB

    • memory/1564-22-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

      Filesize

      104KB

    • memory/1564-20-0x0000000006F30000-0x0000000006FA6000-memory.dmp

      Filesize

      472KB

    • memory/1564-19-0x0000000006190000-0x00000000061D4000-memory.dmp

      Filesize

      272KB

    • memory/1564-1-0x00000000022C0000-0x00000000022F6000-memory.dmp

      Filesize

      216KB

    • memory/1564-2-0x0000000074980000-0x0000000075130000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-37-0x00000000071F0000-0x0000000007293000-memory.dmp

      Filesize

      652KB

    • memory/1564-3-0x0000000004FF0000-0x0000000005618000-memory.dmp

      Filesize

      6.2MB

    • memory/1564-18-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

      Filesize

      304KB

    • memory/1564-4-0x0000000004D40000-0x0000000004D62000-memory.dmp

      Filesize

      136KB

    • memory/1564-5-0x0000000004DE0000-0x0000000004E46000-memory.dmp

      Filesize

      408KB

    • memory/1564-17-0x0000000005C00000-0x0000000005C1E000-memory.dmp

      Filesize

      120KB

    • memory/1564-6-0x0000000004F00000-0x0000000004F66000-memory.dmp

      Filesize

      408KB

    • memory/2576-91-0x00000000710E0000-0x0000000071434000-memory.dmp

      Filesize

      3.3MB

    • memory/2576-90-0x0000000070920000-0x000000007096C000-memory.dmp

      Filesize

      304KB

    • memory/2576-88-0x00000000061E0000-0x0000000006534000-memory.dmp

      Filesize

      3.3MB

    • memory/5232-152-0x0000000007930000-0x00000000079D3000-memory.dmp

      Filesize

      652KB

    • memory/5232-142-0x0000000071020000-0x0000000071374000-memory.dmp

      Filesize

      3.3MB

    • memory/5232-141-0x0000000070880000-0x00000000708CC000-memory.dmp

      Filesize

      304KB

    • memory/5232-153-0x0000000007C70000-0x0000000007C81000-memory.dmp

      Filesize

      68KB

    • memory/5232-154-0x00000000064C0000-0x00000000064D4000-memory.dmp

      Filesize

      80KB

    • memory/5232-134-0x0000000005FF0000-0x0000000006344000-memory.dmp

      Filesize

      3.3MB

    • memory/5232-140-0x0000000006BF0000-0x0000000006C3C000-memory.dmp

      Filesize

      304KB

    • memory/5320-167-0x0000000006350000-0x000000000639C000-memory.dmp

      Filesize

      304KB

    • memory/5320-169-0x0000000070940000-0x0000000070C94000-memory.dmp

      Filesize

      3.3MB

    • memory/5320-179-0x0000000007550000-0x00000000075F3000-memory.dmp

      Filesize

      652KB

    • memory/5320-180-0x0000000007870000-0x0000000007881000-memory.dmp

      Filesize

      68KB

    • memory/5320-181-0x00000000056E0000-0x00000000056F4000-memory.dmp

      Filesize

      80KB

    • memory/5320-168-0x00000000707A0000-0x00000000707EC000-memory.dmp

      Filesize

      304KB

    • memory/5320-165-0x0000000005D90000-0x00000000060E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5720-114-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

      Filesize

      3.3MB

    • memory/5720-113-0x0000000070920000-0x000000007096C000-memory.dmp

      Filesize

      304KB

    • memory/5720-111-0x0000000005EC0000-0x0000000006214000-memory.dmp

      Filesize

      3.3MB