Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 10:04

General

  • Target

    4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe

  • Size

    4.2MB

  • MD5

    385c8584e540fac31b92cd8092599d88

  • SHA1

    87fb9978a53acc597aeb09b06b5596bf11aacfbc

  • SHA256

    4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915

  • SHA512

    6939b234f01c5d81783cd62e021966bd548333a6b813c1bec32552ec1f5a2544b50b9c48663343a945b52789b1df49edd0a93dd1ec4d533e9f9a3031192782c1

  • SSDEEP

    98304:n/b+KJmiBMor9GQLaPpt0vK/+kpZQUDoPdzttRPI9D4Y5T6eALBIt:z+KAorFLaPpt06r/QU0Pd5tRu4YZ6ej

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 18 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
  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • 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\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe
    "C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4364
    • C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe
      "C:\Users\Admin\AppData\Local\Temp\4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2452
      • 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:4204
        • 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
          PID:5096
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1348
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1184
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1484
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:636
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2516
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4636
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2200
          • 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:1288
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:4332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 696
          3⤵
          • Program crash
          PID:4912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 632
        2⤵
        • Program crash
        PID:4412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2788 -ip 2788
      1⤵
        PID:4380
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4948 -ip 4948
        1⤵
          PID:4624

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kwwird1c.1ao.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

                6b0690a1a18faa7213414bed6b3ba65a

                SHA1

                d53b010cc204a81562eaf0d0a0d2ba5263414144

                SHA256

                2bb3361e19f10df0316e790d3122023f4f47fd2b29e9f032c0ace4c92e590f1a

                SHA512

                814fdae9f7c228d40db3631fa7c7edf134f32dcdc73761d17cca95363ae093cdafbe16dfecccd3011090d0b885947a30328b4a1754375b3b9c131457849f8172

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

                Filesize

                19KB

                MD5

                3e016e50c9a88b26d0d6a5c85383d02a

                SHA1

                00da7311ca2c2d8b1c2920d8a9ac4ac36bb99851

                SHA256

                48aa5d2940bfa8d6d0be66b9d34423e7ead8019b6245b11ececae11c82d46f61

                SHA512

                245fbb6124cbfd06ba9f9318d9d9fe0c578ba8ab036c8347282020a8d7b528187aed4d112dec1c146be184952b83800033481b9d8edef7cb195eb94d07a369f1

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

                Filesize

                19KB

                MD5

                73480d2c9929e64816d57e01e124d1f6

                SHA1

                4107e0f5c9ada455406ff60ea9a89ec9d74fa255

                SHA256

                5f93662a54b5c0c0d1e93366c9faf8b89e8c08fb08a7747a40f3a37e3d2134f9

                SHA512

                a587b66852572bbd7d5fe385d61da2693864b881e44ee3e342ffe821998b652a9028521f5b34d921ccfa8da714742414da9fc60c8717010b4fd4215d390cf8c2

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

                Filesize

                19KB

                MD5

                a304dcfc55eff092c0430f1240cf349f

                SHA1

                77418581b8c730fb4d8fa1328bf09046c6b3445c

                SHA256

                d9b8f0012684b226e467784e3310e623dcb8630491de860bb74c790964dcb7e1

                SHA512

                6ecafd27640856724e580a6bc85ee28c0de3b611da7fb5255152226c6ff4b9bcb387e21406a357b05ea4852b8ceb8e94e5f9f74d508f6aa3aef7fadb48e7c0b5

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

                Filesize

                19KB

                MD5

                4a282ee0a118a52f4145a2be0bb2f552

                SHA1

                b6d35daae7d0c6225eca0af5a4c41fec248f119d

                SHA256

                81b1387f077cf86199fde485fe4d626d5bda2248b6b3b32c70b91c1a6adfcc91

                SHA512

                09128bd6b7924cfdae5d35f36abb31809d86cbdec0822ea2a510be30371f1d52ab097faa7918ff6aa2cc45fdf8d839683d9f5e2400bde22042963113568ac2ee

              • C:\Windows\rss\csrss.exe

                Filesize

                4.2MB

                MD5

                385c8584e540fac31b92cd8092599d88

                SHA1

                87fb9978a53acc597aeb09b06b5596bf11aacfbc

                SHA256

                4594279f193a52a3000200fcc595f7875a457ff65cb91e5508630952a6cc6915

                SHA512

                6939b234f01c5d81783cd62e021966bd548333a6b813c1bec32552ec1f5a2544b50b9c48663343a945b52789b1df49edd0a93dd1ec4d533e9f9a3031192782c1

              • memory/1184-119-0x0000000070760000-0x00000000707AC000-memory.dmp

                Filesize

                304KB

              • memory/1184-120-0x00000000708E0000-0x0000000070C34000-memory.dmp

                Filesize

                3.3MB

              • memory/1348-98-0x0000000070F20000-0x0000000071274000-memory.dmp

                Filesize

                3.3MB

              • memory/1348-97-0x0000000070760000-0x00000000707AC000-memory.dmp

                Filesize

                304KB

              • memory/1348-92-0x0000000006220000-0x0000000006574000-memory.dmp

                Filesize

                3.3MB

              • memory/1484-148-0x0000000005FE0000-0x000000000602C000-memory.dmp

                Filesize

                304KB

              • memory/1484-149-0x00000000706C0000-0x000000007070C000-memory.dmp

                Filesize

                304KB

              • memory/1484-150-0x0000000070840000-0x0000000070B94000-memory.dmp

                Filesize

                3.3MB

              • memory/1484-162-0x0000000004E10000-0x0000000004E24000-memory.dmp

                Filesize

                80KB

              • memory/1484-160-0x0000000006D10000-0x0000000006DB3000-memory.dmp

                Filesize

                652KB

              • memory/1484-146-0x0000000005640000-0x0000000005994000-memory.dmp

                Filesize

                3.3MB

              • memory/1484-161-0x0000000004DD0000-0x0000000004DE1000-memory.dmp

                Filesize

                68KB

              • memory/2200-203-0x00000000705E0000-0x000000007062C000-memory.dmp

                Filesize

                304KB

              • memory/2200-204-0x0000000070D70000-0x00000000710C4000-memory.dmp

                Filesize

                3.3MB

              • memory/2200-197-0x0000000005590000-0x00000000058E4000-memory.dmp

                Filesize

                3.3MB

              • memory/2452-67-0x0000000005BC0000-0x0000000005F14000-memory.dmp

                Filesize

                3.3MB

              • memory/2452-68-0x00000000061B0000-0x00000000061FC000-memory.dmp

                Filesize

                304KB

              • memory/2452-82-0x0000000007610000-0x0000000007624000-memory.dmp

                Filesize

                80KB

              • memory/2452-81-0x00000000075C0000-0x00000000075D1000-memory.dmp

                Filesize

                68KB

              • memory/2452-80-0x0000000007280000-0x0000000007323000-memory.dmp

                Filesize

                652KB

              • memory/2452-70-0x00000000708E0000-0x0000000070C34000-memory.dmp

                Filesize

                3.3MB

              • memory/2452-69-0x0000000070760000-0x00000000707AC000-memory.dmp

                Filesize

                304KB

              • memory/2580-224-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-221-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-226-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-231-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-230-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-227-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-164-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-223-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-222-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-225-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-215-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-229-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2580-228-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2788-1-0x0000000002240000-0x0000000002648000-memory.dmp

                Filesize

                4.0MB

              • memory/2788-57-0x0000000003EF0000-0x00000000047DB000-memory.dmp

                Filesize

                8.9MB

              • memory/2788-56-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2788-3-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB

              • memory/2788-2-0x0000000003EF0000-0x00000000047DB000-memory.dmp

                Filesize

                8.9MB

              • memory/4364-30-0x0000000070C20000-0x0000000070F74000-memory.dmp

                Filesize

                3.3MB

              • memory/4364-22-0x0000000006710000-0x000000000675C000-memory.dmp

                Filesize

                304KB

              • memory/4364-50-0x0000000007E50000-0x0000000007E58000-memory.dmp

                Filesize

                32KB

              • memory/4364-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

                Filesize

                7.7MB

              • memory/4364-49-0x0000000007E60000-0x0000000007E7A000-memory.dmp

                Filesize

                104KB

              • memory/4364-48-0x0000000007E10000-0x0000000007E24000-memory.dmp

                Filesize

                80KB

              • memory/4364-47-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

                Filesize

                56KB

              • memory/4364-46-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

                Filesize

                68KB

              • memory/4364-45-0x0000000007EB0000-0x0000000007F46000-memory.dmp

                Filesize

                600KB

              • memory/4364-44-0x0000000007DA0000-0x0000000007DAA000-memory.dmp

                Filesize

                40KB

              • memory/4364-43-0x0000000007CB0000-0x0000000007D53000-memory.dmp

                Filesize

                652KB

              • memory/4364-42-0x0000000007C90000-0x0000000007CAE000-memory.dmp

                Filesize

                120KB

              • memory/4364-40-0x00000000030F0000-0x0000000003100000-memory.dmp

                Filesize

                64KB

              • memory/4364-5-0x0000000003100000-0x0000000003136000-memory.dmp

                Filesize

                216KB

              • memory/4364-41-0x00000000030F0000-0x0000000003100000-memory.dmp

                Filesize

                64KB

              • memory/4364-6-0x00000000030F0000-0x0000000003100000-memory.dmp

                Filesize

                64KB

              • memory/4364-7-0x0000000005870000-0x0000000005E98000-memory.dmp

                Filesize

                6.2MB

              • memory/4364-8-0x0000000005720000-0x0000000005742000-memory.dmp

                Filesize

                136KB

              • memory/4364-9-0x0000000005F10000-0x0000000005F76000-memory.dmp

                Filesize

                408KB

              • memory/4364-10-0x00000000060B0000-0x0000000006116000-memory.dmp

                Filesize

                408KB

              • memory/4364-20-0x0000000006120000-0x0000000006474000-memory.dmp

                Filesize

                3.3MB

              • memory/4364-29-0x0000000070660000-0x00000000706AC000-memory.dmp

                Filesize

                304KB

              • memory/4364-27-0x0000000007C50000-0x0000000007C82000-memory.dmp

                Filesize

                200KB

              • memory/4364-28-0x000000007F200000-0x000000007F210000-memory.dmp

                Filesize

                64KB

              • memory/4364-26-0x0000000007A90000-0x0000000007AAA000-memory.dmp

                Filesize

                104KB

              • memory/4364-25-0x00000000080F0000-0x000000000876A000-memory.dmp

                Filesize

                6.5MB

              • memory/4364-24-0x00000000079F0000-0x0000000007A66000-memory.dmp

                Filesize

                472KB

              • memory/4364-23-0x0000000006C40000-0x0000000006C84000-memory.dmp

                Filesize

                272KB

              • memory/4364-53-0x00000000747C0000-0x0000000074F70000-memory.dmp

                Filesize

                7.7MB

              • memory/4364-21-0x00000000066D0000-0x00000000066EE000-memory.dmp

                Filesize

                120KB

              • memory/4636-190-0x00000000064C0000-0x00000000064D4000-memory.dmp

                Filesize

                80KB

              • memory/4636-189-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

                Filesize

                68KB

              • memory/4636-188-0x0000000007970000-0x0000000007A13000-memory.dmp

                Filesize

                652KB

              • memory/4636-178-0x0000000070D10000-0x0000000071064000-memory.dmp

                Filesize

                3.3MB

              • memory/4636-177-0x00000000705E0000-0x000000007062C000-memory.dmp

                Filesize

                304KB

              • memory/4636-176-0x0000000006740000-0x000000000678C000-memory.dmp

                Filesize

                304KB

              • memory/4636-174-0x0000000006040000-0x0000000006394000-memory.dmp

                Filesize

                3.3MB

              • memory/4948-136-0x0000000000400000-0x0000000001DF4000-memory.dmp

                Filesize

                26.0MB