Analysis

  • max time kernel
    150s
  • max time network
    125s
  • 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, 04:53

General

  • Target

    2025-03-18_c3e1d1a09eea71992d4dab6fc1667d8e_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    c3e1d1a09eea71992d4dab6fc1667d8e

  • SHA1

    939610fbfa7cab916f67a3dfab559e002d66a709

  • SHA256

    6aff74b947b1221353d631fd11d218527f9613fd7735a6f13a706156fedf2bc5

  • SHA512

    7b87bed98f12ee4c03bd629370ac23c21f5a5d1f477b495018a716f2afb99dae1755a30508150f09ad3f089ffc89551e45a413878c44a97f606fae00d24e3a16

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANfdhZytTD5iqmm:sxEvYjVzAN1hwNt

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_c3e1d1a09eea71992d4dab6fc1667d8e_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-18_c3e1d1a09eea71992d4dab6fc1667d8e_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:5996
    • 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:1804
    • C:\Users\Admin\AppData\Local\Temp\2025-03-18_c3e1d1a09eea71992d4dab6fc1667d8e_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-18_c3e1d1a09eea71992d4dab6fc1667d8e_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:3108
      • 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:1892
      • 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:540
        • 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:2444
      • 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:5932
      • 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:556
      • 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:412
        • 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:2588
        • 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:4500
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5352
          • 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:2468
          • 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:1408
          • 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:464
          • 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:5308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2mphsqor.tw3.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

      aaae359206fe1e2acae21078c8379344

      SHA1

      0fbef572a73c294df16c82d62d6ecd0d2b9014e0

      SHA256

      4cbf9011fcfab0b81ed7b78810918aa2cdc12e53e250d5e755152ef703b63087

      SHA512

      3067736fc1a50a15388950c575be6e1786b5494752dfaa001a30217b50ac9aca5d6f1ed1f5a6abe908488628ee797bf23721b2e8a3282a4bed15b2bf666f5e8f

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

      Filesize

      19KB

      MD5

      a62409a4d79dca2a71b22c9580e557c6

      SHA1

      c83a517afef9f6e7d41f631767a915aa4366dd73

      SHA256

      4592d35dbbc4a5ce0a538fff2964f8e391c0bfca3d110b739333960ccccd06b1

      SHA512

      7957c4d857cd39b6a1b0121aea1320c64cf92db0db576d7e44d211bdda6c8407821e073f239a1f626535f63f81fd119bff10f2a25c59f27f4a968e914e2bf9a4

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

      Filesize

      19KB

      MD5

      af3da7d4fc63ea008bdf2a982b99c55b

      SHA1

      4f4f029299a164a6ddf36ba9018a245f6b7f4124

      SHA256

      f5a1c34a828660c9bc57f559b39a101cd21515de326fcf71e1127d7040f7fb6d

      SHA512

      8e41308080cd4365ec53e21148fa9e4601a1252df0348ed0401d044e717f3f6b08fc7c888bf0de990279fddc35033eb8d22d24f794e59fc7c4001d4fc9decbc3

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

      Filesize

      19KB

      MD5

      3dad5b5061d5ee947607c31256458502

      SHA1

      bf18a0ea3fc0e3fb2d7bc5c733943a376525a36e

      SHA256

      af86732e27508ad57d7d3483916087f8b261f86bfdc759493fc47ba668a52f39

      SHA512

      336ed4229849ccb4335617804d51b915020691f9cf48773f90604e2d8609676c6f16d06767d79f30cf2da9f1958cf88c62322c5c8b94de64bb034a1565893272

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

      Filesize

      19KB

      MD5

      12637c78e6422b482cb5a845113b3f41

      SHA1

      e1488967b24723e57e5c4e382b74b8634245507f

      SHA256

      17c3385cdee08a208e51091cc9b62e42b0dc46dadee2eaa9293d5c908b2e79a9

      SHA512

      7f7b7f693c7f1832317a0502a8682d8d9bfff114a76a044ddcda4e251141e2cde061eb2b15d9606e00f6d1d70232039c3d12c7ea243349b1a9a118436d95ffa3

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      c3e1d1a09eea71992d4dab6fc1667d8e

      SHA1

      939610fbfa7cab916f67a3dfab559e002d66a709

      SHA256

      6aff74b947b1221353d631fd11d218527f9613fd7735a6f13a706156fedf2bc5

      SHA512

      7b87bed98f12ee4c03bd629370ac23c21f5a5d1f477b495018a716f2afb99dae1755a30508150f09ad3f089ffc89551e45a413878c44a97f606fae00d24e3a16

    • memory/556-113-0x0000000070150000-0x000000007019C000-memory.dmp

      Filesize

      304KB

    • memory/556-114-0x00000000702D0000-0x0000000070624000-memory.dmp

      Filesize

      3.3MB

    • memory/1408-193-0x000000006FFD0000-0x000000007001C000-memory.dmp

      Filesize

      304KB

    • memory/1408-194-0x0000000070150000-0x00000000704A4000-memory.dmp

      Filesize

      3.3MB

    • memory/1804-47-0x0000000007410000-0x000000000742A000-memory.dmp

      Filesize

      104KB

    • memory/1804-41-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-19-0x0000000005C30000-0x0000000005C7C000-memory.dmp

      Filesize

      304KB

    • memory/1804-20-0x0000000006150000-0x0000000006194000-memory.dmp

      Filesize

      272KB

    • memory/1804-21-0x0000000006F20000-0x0000000006F96000-memory.dmp

      Filesize

      472KB

    • memory/1804-22-0x0000000007620000-0x0000000007C9A000-memory.dmp

      Filesize

      6.5MB

    • memory/1804-23-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

      Filesize

      104KB

    • memory/1804-25-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-24-0x0000000007160000-0x0000000007192000-memory.dmp

      Filesize

      200KB

    • memory/1804-26-0x0000000070050000-0x000000007009C000-memory.dmp

      Filesize

      304KB

    • memory/1804-27-0x0000000070770000-0x0000000070AC4000-memory.dmp

      Filesize

      3.3MB

    • memory/1804-38-0x00000000071C0000-0x0000000007263000-memory.dmp

      Filesize

      652KB

    • memory/1804-37-0x00000000071A0000-0x00000000071BE000-memory.dmp

      Filesize

      120KB

    • memory/1804-39-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-40-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-5-0x0000000004C90000-0x0000000004CB2000-memory.dmp

      Filesize

      136KB

    • memory/1804-42-0x00000000072B0000-0x00000000072BA000-memory.dmp

      Filesize

      40KB

    • memory/1804-43-0x0000000007370000-0x0000000007406000-memory.dmp

      Filesize

      600KB

    • memory/1804-44-0x00000000072D0000-0x00000000072E1000-memory.dmp

      Filesize

      68KB

    • memory/1804-45-0x0000000007310000-0x000000000731E000-memory.dmp

      Filesize

      56KB

    • memory/1804-46-0x0000000007320000-0x0000000007334000-memory.dmp

      Filesize

      80KB

    • memory/1804-17-0x0000000005550000-0x00000000058A4000-memory.dmp

      Filesize

      3.3MB

    • memory/1804-48-0x0000000007360000-0x0000000007368000-memory.dmp

      Filesize

      32KB

    • memory/1804-51-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-0-0x00000000741BE000-0x00000000741BF000-memory.dmp

      Filesize

      4KB

    • memory/1804-1-0x0000000002580000-0x00000000025B6000-memory.dmp

      Filesize

      216KB

    • memory/1804-2-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-18-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

      Filesize

      120KB

    • memory/1804-3-0x0000000004DF0000-0x0000000005418000-memory.dmp

      Filesize

      6.2MB

    • memory/1804-4-0x00000000741B0000-0x0000000074960000-memory.dmp

      Filesize

      7.7MB

    • memory/1804-6-0x0000000004D30000-0x0000000004D96000-memory.dmp

      Filesize

      408KB

    • memory/1804-7-0x0000000005420000-0x0000000005486000-memory.dmp

      Filesize

      408KB

    • memory/1892-64-0x00000000702D0000-0x0000000070624000-memory.dmp

      Filesize

      3.3MB

    • memory/1892-75-0x00000000075A0000-0x00000000075B1000-memory.dmp

      Filesize

      68KB

    • memory/1892-61-0x0000000005C70000-0x0000000005FC4000-memory.dmp

      Filesize

      3.3MB

    • memory/1892-76-0x00000000075F0000-0x0000000007604000-memory.dmp

      Filesize

      80KB

    • memory/1892-62-0x00000000060E0000-0x000000000612C000-memory.dmp

      Filesize

      304KB

    • memory/1892-63-0x0000000070150000-0x000000007019C000-memory.dmp

      Filesize

      304KB

    • memory/1892-74-0x0000000007280000-0x0000000007323000-memory.dmp

      Filesize

      652KB

    • memory/2468-180-0x0000000007790000-0x00000000077A1000-memory.dmp

      Filesize

      68KB

    • memory/2468-169-0x0000000070150000-0x00000000704A4000-memory.dmp

      Filesize

      3.3MB

    • memory/2468-181-0x0000000005BE0000-0x0000000005BF4000-memory.dmp

      Filesize

      80KB

    • memory/2468-165-0x0000000005DD0000-0x0000000006124000-memory.dmp

      Filesize

      3.3MB

    • memory/2468-179-0x0000000007430000-0x00000000074D3000-memory.dmp

      Filesize

      652KB

    • memory/2468-167-0x0000000006730000-0x000000000677C000-memory.dmp

      Filesize

      304KB

    • memory/2468-168-0x000000006FFD0000-0x000000007001C000-memory.dmp

      Filesize

      304KB

    • memory/2588-140-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

      Filesize

      304KB

    • memory/2588-152-0x0000000006FF0000-0x0000000007093000-memory.dmp

      Filesize

      652KB

    • memory/2588-154-0x0000000005820000-0x0000000005834000-memory.dmp

      Filesize

      80KB

    • memory/2588-142-0x0000000070230000-0x0000000070584000-memory.dmp

      Filesize

      3.3MB

    • memory/2588-141-0x00000000700B0000-0x00000000700FC000-memory.dmp

      Filesize

      304KB

    • memory/2588-153-0x00000000057E0000-0x00000000057F1000-memory.dmp

      Filesize

      68KB

    • memory/2588-138-0x00000000058B0000-0x0000000005C04000-memory.dmp

      Filesize

      3.3MB

    • memory/5932-89-0x0000000005E30000-0x0000000006184000-memory.dmp

      Filesize

      3.3MB

    • memory/5932-91-0x0000000070150000-0x000000007019C000-memory.dmp

      Filesize

      304KB

    • memory/5932-92-0x00000000708E0000-0x0000000070C34000-memory.dmp

      Filesize

      3.3MB