Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2025, 07:53

General

  • Target

    2025-03-17_c58f25c810c785f05813475023121031_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    c58f25c810c785f05813475023121031

  • SHA1

    6df0a077acb531e0be99bc471150cbe0afbd0679

  • SHA256

    30d781083f98cf9197b61b69f5bca602c94a24192e763c471ba37ad490c561d2

  • SHA512

    8f07a198dd1da03c98f6890654804400f4bff688d3c09e1ddbfcf8a06e5cb382e06864458e1060bdedb37d7443d27da3a80c9c18efa32f82575901a0d84d34b6

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfdhZytTD5iqm:sxEvYjVzAN1hwN

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\2025-03-17_c58f25c810c785f05813475023121031_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-17_c58f25c810c785f05813475023121031_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:5948
    • 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:5820
    • C:\Users\Admin\AppData\Local\Temp\2025-03-17_c58f25c810c785f05813475023121031_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-17_c58f25c810c785f05813475023121031_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:2060
      • 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:5364
      • 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:1888
        • 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:5952
      • 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:2356
      • 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:552
      • 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:4996
        • 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:5012
        • 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:5868
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4148
          • 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:5408
          • 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:5020
          • 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:2960
          • 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:4648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u0x4yfh1.x4r.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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      19KB

      MD5

      c7184f3fc55515d97ff7a838c03939ad

      SHA1

      0ae5690269cd66ec15ee9b34038a6b490db09488

      SHA256

      abe5dfe01c23804dd11087e2302b4a247a417139e49a3a26089f586f87f567cc

      SHA512

      9eb2f57459f52f2ba7c8b7a023e051ae8a0270eb97a9116ceb3835759e6f9d51a0c5961b985148258e3d7cdef5344476871b709f2fbe91cba6603bb17fd3ef85

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

      Filesize

      19KB

      MD5

      6ba79e8062c1f1d5ed18f2063ec46ec1

      SHA1

      480fff4d1dcd7c30cc97b0d22549a823b3afd944

      SHA256

      249ee27fe5daea764dd25ced616b6c175c9dbe55c950062952eea3ac6ff6d515

      SHA512

      6adfe749904c771943ca7a309a934cd20b40db0a13ac7d6f3cdeeb6c5c198bf63483d45331ffdfa360790efedc8df63ee9815b058592451dca9c7793b7e2d062

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

      Filesize

      19KB

      MD5

      27d179c959461ac30f6fa235bb5526bd

      SHA1

      50b0c46890f633876e10c635565e783230a608a8

      SHA256

      1d3a597d9a5e61a109a81117aa2119faa2875c988c9cc7fe8e96f21f32cf2a85

      SHA512

      409fc6affff84cfbfb2887a8c136ca7a975a4523b8f1985991c43126b0a1d18363a2137d51c532058f677817765ffc9dc2666cb39fb73475ed927c3f64203f4a

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

      Filesize

      19KB

      MD5

      443e7bd59010166026ac35cba77880e1

      SHA1

      ecb229f5d671c0b1729f2232a899bfa1f87c1c25

      SHA256

      a571e0f52f9d1e658700b10f0064b8bd7594180ade42f144838b44f8e0e6737d

      SHA512

      d8baa6e1bbad3fc941ff09216bc9ecb498d78fbfff34b8910cd4aef628b8d63633e4610e351e33917d3693e2ef92f686245d030a27ea44d2a53905cd0c80fe3c

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

      Filesize

      19KB

      MD5

      c9844afa306a66813b2d0ffc9fbc3873

      SHA1

      130ff9d3bdcda0426497519b3d0b9ce59dde952a

      SHA256

      7f3a65845befbc1df0dfaee730b5897559cf8c7a3ae27432f25c8ae246aa668c

      SHA512

      374f6550e76041c73c027315796c26a57bf94231b55d2695b8d5bb91654839bc9c34a1b725d9e5a600c76979e4df1b7e63fd55ec2122cbeeefd200ca68dc0403

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      c58f25c810c785f05813475023121031

      SHA1

      6df0a077acb531e0be99bc471150cbe0afbd0679

      SHA256

      30d781083f98cf9197b61b69f5bca602c94a24192e763c471ba37ad490c561d2

      SHA512

      8f07a198dd1da03c98f6890654804400f4bff688d3c09e1ddbfcf8a06e5cb382e06864458e1060bdedb37d7443d27da3a80c9c18efa32f82575901a0d84d34b6

    • memory/552-113-0x0000000070190000-0x00000000701DC000-memory.dmp

      Filesize

      304KB

    • memory/552-114-0x0000000070930000-0x0000000070C84000-memory.dmp

      Filesize

      3.3MB

    • memory/2356-89-0x0000000005830000-0x0000000005B84000-memory.dmp

      Filesize

      3.3MB

    • memory/2356-91-0x0000000070190000-0x00000000701DC000-memory.dmp

      Filesize

      304KB

    • memory/2356-92-0x0000000070320000-0x0000000070674000-memory.dmp

      Filesize

      3.3MB

    • memory/5012-154-0x0000000005340000-0x0000000005354000-memory.dmp

      Filesize

      80KB

    • memory/5012-138-0x00000000055A0000-0x00000000058F4000-memory.dmp

      Filesize

      3.3MB

    • memory/5012-152-0x0000000006D50000-0x0000000006DF3000-memory.dmp

      Filesize

      652KB

    • memory/5012-153-0x0000000007050000-0x0000000007061000-memory.dmp

      Filesize

      68KB

    • memory/5012-140-0x0000000005E70000-0x0000000005EBC000-memory.dmp

      Filesize

      304KB

    • memory/5012-141-0x00000000700F0000-0x000000007013C000-memory.dmp

      Filesize

      304KB

    • memory/5012-142-0x0000000070270000-0x00000000705C4000-memory.dmp

      Filesize

      3.3MB

    • memory/5020-192-0x00000000058D0000-0x0000000005C24000-memory.dmp

      Filesize

      3.3MB

    • memory/5020-194-0x0000000070010000-0x000000007005C000-memory.dmp

      Filesize

      304KB

    • memory/5020-195-0x00000000707A0000-0x0000000070AF4000-memory.dmp

      Filesize

      3.3MB

    • memory/5364-62-0x0000000006DA0000-0x0000000006DEC000-memory.dmp

      Filesize

      304KB

    • memory/5364-61-0x0000000006290000-0x00000000065E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5364-74-0x0000000007AB0000-0x0000000007B53000-memory.dmp

      Filesize

      652KB

    • memory/5364-64-0x0000000070930000-0x0000000070C84000-memory.dmp

      Filesize

      3.3MB

    • memory/5364-75-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

      Filesize

      68KB

    • memory/5364-63-0x0000000070190000-0x00000000701DC000-memory.dmp

      Filesize

      304KB

    • memory/5364-76-0x0000000007E00000-0x0000000007E14000-memory.dmp

      Filesize

      80KB

    • memory/5408-179-0x0000000007040000-0x00000000070E3000-memory.dmp

      Filesize

      652KB

    • memory/5408-165-0x00000000058D0000-0x0000000005C24000-memory.dmp

      Filesize

      3.3MB

    • memory/5408-167-0x0000000006330000-0x000000000637C000-memory.dmp

      Filesize

      304KB

    • memory/5408-168-0x0000000070010000-0x000000007005C000-memory.dmp

      Filesize

      304KB

    • memory/5408-169-0x0000000070190000-0x00000000704E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5408-180-0x0000000005680000-0x0000000005691000-memory.dmp

      Filesize

      68KB

    • memory/5408-181-0x0000000005C30000-0x0000000005C44000-memory.dmp

      Filesize

      80KB

    • memory/5820-24-0x00000000072B0000-0x00000000072E2000-memory.dmp

      Filesize

      200KB

    • memory/5820-19-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

      Filesize

      304KB

    • memory/5820-41-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-40-0x0000000007400000-0x000000000740A000-memory.dmp

      Filesize

      40KB

    • memory/5820-39-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-38-0x0000000007310000-0x00000000073B3000-memory.dmp

      Filesize

      652KB

    • memory/5820-37-0x00000000072F0000-0x000000000730E000-memory.dmp

      Filesize

      120KB

    • memory/5820-27-0x0000000070640000-0x0000000070994000-memory.dmp

      Filesize

      3.3MB

    • memory/5820-26-0x0000000070090000-0x00000000700DC000-memory.dmp

      Filesize

      304KB

    • memory/5820-42-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-25-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-23-0x00000000070F0000-0x000000000710A000-memory.dmp

      Filesize

      104KB

    • memory/5820-22-0x0000000007770000-0x0000000007DEA000-memory.dmp

      Filesize

      6.5MB

    • memory/5820-21-0x0000000007070000-0x00000000070E6000-memory.dmp

      Filesize

      472KB

    • memory/5820-20-0x00000000062A0000-0x00000000062E4000-memory.dmp

      Filesize

      272KB

    • memory/5820-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

      Filesize

      4KB

    • memory/5820-18-0x0000000005D20000-0x0000000005D3E000-memory.dmp

      Filesize

      120KB

    • memory/5820-17-0x0000000005690000-0x00000000059E4000-memory.dmp

      Filesize

      3.3MB

    • memory/5820-6-0x00000000055B0000-0x0000000005616000-memory.dmp

      Filesize

      408KB

    • memory/5820-51-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-7-0x0000000005620000-0x0000000005686000-memory.dmp

      Filesize

      408KB

    • memory/5820-48-0x0000000007560000-0x0000000007568000-memory.dmp

      Filesize

      32KB

    • memory/5820-47-0x0000000007580000-0x000000000759A000-memory.dmp

      Filesize

      104KB

    • memory/5820-46-0x0000000007490000-0x00000000074A4000-memory.dmp

      Filesize

      80KB

    • memory/5820-45-0x0000000007480000-0x000000000748E000-memory.dmp

      Filesize

      56KB

    • memory/5820-44-0x0000000007440000-0x0000000007451000-memory.dmp

      Filesize

      68KB

    • memory/5820-43-0x00000000074C0000-0x0000000007556000-memory.dmp

      Filesize

      600KB

    • memory/5820-5-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

      Filesize

      136KB

    • memory/5820-4-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-3-0x00000000741F0000-0x00000000749A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5820-2-0x0000000004ED0000-0x00000000054F8000-memory.dmp

      Filesize

      6.2MB

    • memory/5820-1-0x00000000026D0000-0x0000000002706000-memory.dmp

      Filesize

      216KB