Analysis

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

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2025, 19:27

General

  • Target

    2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe

  • Size

    9.1MB

  • MD5

    7b47039f00f36085670862083e85add0

  • SHA1

    ceae93e8e3cdf8e32158e362f54faaf4596c76d0

  • SHA256

    7bae35b6fa35180dc42458a694ad1fc142b6d970bb4b927999b848aa83e7c9fe

  • SHA512

    6257a31c1a5c92b9e141e5146537ffecdb90cc4a27d900a031073abe0a24b39b301556102dd551c83f36c8079536b0825842ea74ce285106b49bef3346e7a95a

  • SSDEEP

    98304:GHxMZDJ1TRpxYVX9u2IazANf6hZytTD5iq6t:sxEvYjVzANihwNm

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\2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_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:1364
    • 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:1324
    • C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_cobalt-strike_frostygoop_gcleaner_poet-rat_sliver_snatch.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-03-21_7b47039f00f36085670862083e85add0_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:2320
      • 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:4584
      • 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:4668
        • 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:732
      • 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:4856
      • 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:5112
      • 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:4412
        • 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:4976
        • 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:632
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4208
          • 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:4592
          • 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:4276
          • 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:3740
          • 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:4312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ddyuyrb1.ufo.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

      03ad34b254bbc091a95162bbdb009923

      SHA1

      613b89f7575ae71ae0a3c4d01e0efea204944276

      SHA256

      12d7a6dddee45163a9b308bd4ceba81e37a863cfabcfa1132487dbb4e6eda750

      SHA512

      f90103b27d450a1f567dcd30fee74fe13c3f3eda5b764b97f82a7dc7cc30d506d06b021c2beb3b37e7d96cd1a003751e11537c35f82d3d4b9b48aa128a2c7c26

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

      Filesize

      19KB

      MD5

      cd68f3522b4da76923440ce51718f947

      SHA1

      76b59df6924b61a93ed2c1bb44dfaa68ceefc4b2

      SHA256

      7d1043c845b638dc0b217b0c5c66653c9a3c8fc861f3e9574288393d8b0e3b7b

      SHA512

      b8a78805dc648574ed3bbd56c41fc85f6c5e3eeb745237584cefe64566bb771d0715440b051b4a6155c3f4126ca49adc0b075ad22041fc0fe9b7daa001fe11cd

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

      Filesize

      19KB

      MD5

      614347b9728c1ff9dc4b0ba885b5b8e4

      SHA1

      05530bcd5232f94462da4c78384748dbf74c7954

      SHA256

      c8dfcda5b96186c39ad6ef850b0d4b41c74d096c9125353ca57aba0d6c6205df

      SHA512

      b842954a469f0e5b6897871d1c0a823e1b5d430ebbcd56c63fd2c41a30e9ff0a571a2bf92dc254001741e7693571e6f551814d97a3f78a25244fb0cdbe12688c

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

      Filesize

      19KB

      MD5

      2193d1c2eaf525a8b98b6c86b1c16f1d

      SHA1

      17d6154ee38744cc30aedd925edaacf9d0fbc8f9

      SHA256

      df2854eb265172ce36985e2b17dc8da8134b191f06b4e43f14eb8b71ab9000d9

      SHA512

      88d38c1866f34e12ae6cd73773d8a73f6b38ffaea0e0adef59fb8f62414f31d04e2dde4ca52b5ccdd5c513ff67709e65be8a5e9ef7a774d38c80a8f65be104a8

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

      Filesize

      19KB

      MD5

      f19477b20954107597c3eeab3356c3a6

      SHA1

      7ec760940118b6d36595aa6f721685b6075b4ea1

      SHA256

      7dca92e3dc366b946fe58c5a297a774b87f828ca743b49fe12e9ab939970bc08

      SHA512

      2122f88a3a1be3842923908fbb145a043362281720ea34bacebfcccd1ef8ceb1e1e12fe968565a416cacbfb3e1389af27bde9aa2a52f1749e8592b09c187590d

    • C:\Windows\rss\csrss.exe

      Filesize

      9.1MB

      MD5

      7b47039f00f36085670862083e85add0

      SHA1

      ceae93e8e3cdf8e32158e362f54faaf4596c76d0

      SHA256

      7bae35b6fa35180dc42458a694ad1fc142b6d970bb4b927999b848aa83e7c9fe

      SHA512

      6257a31c1a5c92b9e141e5146537ffecdb90cc4a27d900a031073abe0a24b39b301556102dd551c83f36c8079536b0825842ea74ce285106b49bef3346e7a95a

    • memory/1324-19-0x0000000005D60000-0x0000000005DAC000-memory.dmp

      Filesize

      304KB

    • memory/1324-42-0x0000000007500000-0x0000000007596000-memory.dmp

      Filesize

      600KB

    • memory/1324-17-0x0000000005700000-0x0000000005A54000-memory.dmp

      Filesize

      3.3MB

    • memory/1324-20-0x0000000006270000-0x00000000062B4000-memory.dmp

      Filesize

      272KB

    • memory/1324-21-0x0000000007040000-0x00000000070B6000-memory.dmp

      Filesize

      472KB

    • memory/1324-23-0x00000000070E0000-0x00000000070FA000-memory.dmp

      Filesize

      104KB

    • memory/1324-22-0x0000000007740000-0x0000000007DBA000-memory.dmp

      Filesize

      6.5MB

    • memory/1324-37-0x00000000072E0000-0x00000000072FE000-memory.dmp

      Filesize

      120KB

    • memory/1324-27-0x0000000070620000-0x0000000070974000-memory.dmp

      Filesize

      3.3MB

    • memory/1324-26-0x00000000704A0000-0x00000000704EC000-memory.dmp

      Filesize

      304KB

    • memory/1324-38-0x0000000007300000-0x00000000073A3000-memory.dmp

      Filesize

      652KB

    • memory/1324-25-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-39-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-24-0x00000000072A0000-0x00000000072D2000-memory.dmp

      Filesize

      200KB

    • memory/1324-40-0x00000000073F0000-0x00000000073FA000-memory.dmp

      Filesize

      40KB

    • memory/1324-41-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-43-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-18-0x0000000005D30000-0x0000000005D4E000-memory.dmp

      Filesize

      120KB

    • memory/1324-44-0x0000000007400000-0x0000000007411000-memory.dmp

      Filesize

      68KB

    • memory/1324-45-0x0000000007440000-0x000000000744E000-memory.dmp

      Filesize

      56KB

    • memory/1324-46-0x0000000007460000-0x0000000007474000-memory.dmp

      Filesize

      80KB

    • memory/1324-48-0x00000000074A0000-0x00000000074A8000-memory.dmp

      Filesize

      32KB

    • memory/1324-47-0x00000000074B0000-0x00000000074CA000-memory.dmp

      Filesize

      104KB

    • memory/1324-51-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-12-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-0-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/1324-1-0x0000000002730000-0x0000000002766000-memory.dmp

      Filesize

      216KB

    • memory/1324-3-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/1324-6-0x0000000004E50000-0x0000000004EB6000-memory.dmp

      Filesize

      408KB

    • memory/1324-2-0x0000000004EE0000-0x0000000005508000-memory.dmp

      Filesize

      6.2MB

    • memory/1324-5-0x0000000004DE0000-0x0000000004E46000-memory.dmp

      Filesize

      408KB

    • memory/1324-4-0x0000000004C30000-0x0000000004C52000-memory.dmp

      Filesize

      136KB

    • memory/4276-184-0x00000000060B0000-0x0000000006404000-memory.dmp

      Filesize

      3.3MB

    • memory/4276-195-0x0000000070420000-0x000000007046C000-memory.dmp

      Filesize

      304KB

    • memory/4276-196-0x0000000070BB0000-0x0000000070F04000-memory.dmp

      Filesize

      3.3MB

    • memory/4584-62-0x00000000064A0000-0x00000000064EC000-memory.dmp

      Filesize

      304KB

    • memory/4584-76-0x00000000079B0000-0x00000000079C4000-memory.dmp

      Filesize

      80KB

    • memory/4584-52-0x0000000005DA0000-0x00000000060F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4584-74-0x0000000007640000-0x00000000076E3000-memory.dmp

      Filesize

      652KB

    • memory/4584-64-0x0000000070D30000-0x0000000071084000-memory.dmp

      Filesize

      3.3MB

    • memory/4584-63-0x00000000705A0000-0x00000000705EC000-memory.dmp

      Filesize

      304KB

    • memory/4584-75-0x0000000007960000-0x0000000007971000-memory.dmp

      Filesize

      68KB

    • memory/4592-182-0x0000000005960000-0x0000000005974000-memory.dmp

      Filesize

      80KB

    • memory/4592-181-0x0000000007100000-0x0000000007111000-memory.dmp

      Filesize

      68KB

    • memory/4592-180-0x0000000006DF0000-0x0000000006E93000-memory.dmp

      Filesize

      652KB

    • memory/4592-170-0x0000000071160000-0x00000000714B4000-memory.dmp

      Filesize

      3.3MB

    • memory/4592-169-0x0000000070420000-0x000000007046C000-memory.dmp

      Filesize

      304KB

    • memory/4592-168-0x0000000005BF0000-0x0000000005C3C000-memory.dmp

      Filesize

      304KB

    • memory/4592-162-0x00000000054B0000-0x0000000005804000-memory.dmp

      Filesize

      3.3MB

    • memory/4856-89-0x0000000005950000-0x0000000005CA4000-memory.dmp

      Filesize

      3.3MB

    • memory/4856-91-0x00000000705A0000-0x00000000705EC000-memory.dmp

      Filesize

      304KB

    • memory/4856-92-0x0000000070720000-0x0000000070A74000-memory.dmp

      Filesize

      3.3MB

    • memory/4976-155-0x0000000005E50000-0x0000000005E64000-memory.dmp

      Filesize

      80KB

    • memory/4976-154-0x00000000075C0000-0x00000000075D1000-memory.dmp

      Filesize

      68KB

    • memory/4976-153-0x00000000072C0000-0x0000000007363000-memory.dmp

      Filesize

      652KB

    • memory/4976-143-0x00000000706A0000-0x00000000709F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4976-142-0x0000000070500000-0x000000007054C000-memory.dmp

      Filesize

      304KB

    • memory/4976-141-0x00000000065D0000-0x000000000661C000-memory.dmp

      Filesize

      304KB

    • memory/4976-139-0x0000000005A50000-0x0000000005DA4000-memory.dmp

      Filesize

      3.3MB

    • memory/5112-108-0x0000000005760000-0x0000000005AB4000-memory.dmp

      Filesize

      3.3MB

    • memory/5112-114-0x00000000705A0000-0x00000000705EC000-memory.dmp

      Filesize

      304KB

    • memory/5112-115-0x0000000071320000-0x0000000071674000-memory.dmp

      Filesize

      3.3MB