Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 11:35

General

  • Target

    3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d.exe

  • Size

    4.1MB

  • MD5

    3de09c78f5f3f439ae088e7a0811a24d

  • SHA1

    58e0a50a54ad4e7a16fdeeba1bf12158aa4dfc77

  • SHA256

    3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d

  • SHA512

    9e6314454cde365d2def585feb668314c87fbcb6d2e3d598fbfa91485f441fe35b3028c71736d10414b2b79bb4af8ff66e8c88418087fed0264dde34456c5f10

  • SSDEEP

    98304:+k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6U:+n6bazjovoyoHfX3/GYH/

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 19 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.

  • 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\3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d.exe
    "C:\Users\Admin\AppData\Local\Temp\3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4216
    • C:\Users\Admin\AppData\Local\Temp\3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d.exe
      "C:\Users\Admin\AppData\Local\Temp\3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d.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:2772
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5116
      • 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:212
        • 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:4264
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2604
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4632
      • 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:516
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3016
        • 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:1740
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4920
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2756
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1980
          • 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:4748
          • 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:2892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 864
          3⤵
          • Program crash
          PID:4296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 636
        2⤵
        • Program crash
        PID:4792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3788 -ip 3788
      1⤵
        PID:2336
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2772 -ip 2772
        1⤵
          PID:5076

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1efwn4o1.eei.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

          7118109f11aa656de868d6614099e724

          SHA1

          1d1c4bf4afbe056075c1a2109e560a4942202a00

          SHA256

          de84f41fe8561ac6475af32dbde24e45d64f1325c516ddeb7677ca7ad4ed1a23

          SHA512

          977e7020855467ae3811def8c06febf5385e8b35d82b5473e59f178cdbe8f2cd36261cd3d6d5ab308905792467860fdb03fa3f2850a8e0404302a56a45c8aa6a

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

          Filesize

          19KB

          MD5

          7edf907c31b63923555c30c1654b7e6d

          SHA1

          64b6328f4ac3b18178c010e37328fb45462665d5

          SHA256

          ab2e53fb43df6ee3f4c246a0f17d772ecab6a16b6ec05d84074d590240d50a92

          SHA512

          8e7c47f4cae11262178deea8a1f3a4c535ab1887af3c782b0eae764dcc36779369eda8d80845c904cfbd3f3fd7c0c3d79d391c9bf574dcbcc812e5bf4a75054c

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

          Filesize

          19KB

          MD5

          d623d310a3c50f77f67329391b9819b5

          SHA1

          46ce7d7eea109bee77c356217463a7ded945f556

          SHA256

          3d05a414f40a157f3846e113e34d7b13c0d6c9665752806f735ad334dee3675b

          SHA512

          2b8e500f8ef7f35a2330e814f6303d1cabf498768150ab1304b5bd2b6a2a51b4debb0581203df9da120a985eb69237beb3d66ed4f4e1cba9989d181130226ccc

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

          Filesize

          19KB

          MD5

          f44b89af3aed57364cd614567712f12e

          SHA1

          806d2507e6c4d885abfd279d860f28a6bc4bbde4

          SHA256

          7d48771abd551752605b7d56b66b906ccd2ced2a962950964b1d4d28efbbb09c

          SHA512

          6ec9f8fd0e4b57cda0e0c1879cbb9eb985c8c79d4bd1081befbeba45dcae5d5d8c0fbdfb53cf8c0d1c80bc18aa48c1dfd0d475fa6dc8950168282e0173ee9caf

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

          Filesize

          19KB

          MD5

          df15252c65a409580ea9ad5ca710a591

          SHA1

          fb3707167dcbf793ac36d4a5f01b84c024c1e5c4

          SHA256

          732a0d929c2fa79f01268474349ee087d7a98c6d7cc431c81a7baf924bc6a61e

          SHA512

          705ae67d678d939c1883afae823ab31cc872ac6005b5e0739cd436def381df9dad446c8526c202d7a6393f45bebfb6e9c5291322e53d7e8765272f8b0dea3060

        • C:\Windows\rss\csrss.exe

          Filesize

          4.1MB

          MD5

          3de09c78f5f3f439ae088e7a0811a24d

          SHA1

          58e0a50a54ad4e7a16fdeeba1bf12158aa4dfc77

          SHA256

          3e8a0be93e3c20bb2bebef0597d439032920e3485f611f572b000f77f56b8b4d

          SHA512

          9e6314454cde365d2def585feb668314c87fbcb6d2e3d598fbfa91485f441fe35b3028c71736d10414b2b79bb4af8ff66e8c88418087fed0264dde34456c5f10

        • memory/516-226-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-227-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-224-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-222-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-221-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-220-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-225-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-232-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-231-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-223-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-230-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-228-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/516-229-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/1980-201-0x0000000005A80000-0x0000000005DD4000-memory.dmp

          Filesize

          3.3MB

        • memory/1980-203-0x0000000070A10000-0x0000000070A5C000-memory.dmp

          Filesize

          304KB

        • memory/1980-204-0x0000000070BB0000-0x0000000070F04000-memory.dmp

          Filesize

          3.3MB

        • memory/2604-98-0x0000000070D70000-0x00000000710C4000-memory.dmp

          Filesize

          3.3MB

        • memory/2604-97-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          Filesize

          304KB

        • memory/2604-95-0x00000000060B0000-0x0000000006404000-memory.dmp

          Filesize

          3.3MB

        • memory/2756-178-0x00000000711A0000-0x00000000714F4000-memory.dmp

          Filesize

          3.3MB

        • memory/2756-188-0x00000000075C0000-0x0000000007663000-memory.dmp

          Filesize

          652KB

        • memory/2756-165-0x0000000005D00000-0x0000000006054000-memory.dmp

          Filesize

          3.3MB

        • memory/2756-176-0x00000000063C0000-0x000000000640C000-memory.dmp

          Filesize

          304KB

        • memory/2756-190-0x0000000006180000-0x0000000006194000-memory.dmp

          Filesize

          80KB

        • memory/2756-189-0x00000000077B0000-0x00000000077C1000-memory.dmp

          Filesize

          68KB

        • memory/2756-177-0x0000000070A10000-0x0000000070A5C000-memory.dmp

          Filesize

          304KB

        • memory/2772-137-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/3016-161-0x0000000007020000-0x00000000070C3000-memory.dmp

          Filesize

          652KB

        • memory/3016-151-0x0000000070C70000-0x0000000070FC4000-memory.dmp

          Filesize

          3.3MB

        • memory/3016-162-0x0000000007330000-0x0000000007341000-memory.dmp

          Filesize

          68KB

        • memory/3016-150-0x0000000070AF0000-0x0000000070B3C000-memory.dmp

          Filesize

          304KB

        • memory/3016-149-0x00000000062E0000-0x000000000632C000-memory.dmp

          Filesize

          304KB

        • memory/3016-147-0x0000000005960000-0x0000000005CB4000-memory.dmp

          Filesize

          3.3MB

        • memory/3016-163-0x00000000057E0000-0x00000000057F4000-memory.dmp

          Filesize

          80KB

        • memory/3788-56-0x0000000000400000-0x0000000000D1C000-memory.dmp

          Filesize

          9.1MB

        • memory/3788-1-0x0000000004100000-0x0000000004506000-memory.dmp

          Filesize

          4.0MB

        • memory/3788-55-0x0000000000400000-0x0000000002364000-memory.dmp

          Filesize

          31.4MB

        • memory/3788-57-0x0000000004510000-0x0000000004DFB000-memory.dmp

          Filesize

          8.9MB

        • memory/3788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

          Filesize

          9.1MB

        • memory/3788-2-0x0000000004510000-0x0000000004DFB000-memory.dmp

          Filesize

          8.9MB

        • memory/4216-45-0x0000000007E80000-0x0000000007F16000-memory.dmp

          Filesize

          600KB

        • memory/4216-22-0x0000000006700000-0x000000000671E000-memory.dmp

          Filesize

          120KB

        • memory/4216-48-0x0000000007E30000-0x0000000007E44000-memory.dmp

          Filesize

          80KB

        • memory/4216-50-0x0000000007E60000-0x0000000007E68000-memory.dmp

          Filesize

          32KB

        • memory/4216-43-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-4-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

          Filesize

          4KB

        • memory/4216-41-0x0000000007CB0000-0x0000000007CCE000-memory.dmp

          Filesize

          120KB

        • memory/4216-42-0x0000000007CD0000-0x0000000007D73000-memory.dmp

          Filesize

          652KB

        • memory/4216-30-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-29-0x0000000070A90000-0x0000000070ADC000-memory.dmp

          Filesize

          304KB

        • memory/4216-47-0x0000000007E20000-0x0000000007E2E000-memory.dmp

          Filesize

          56KB

        • memory/4216-46-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

          Filesize

          68KB

        • memory/4216-5-0x0000000005110000-0x0000000005146000-memory.dmp

          Filesize

          216KB

        • memory/4216-6-0x00000000057C0000-0x0000000005DE8000-memory.dmp

          Filesize

          6.2MB

        • memory/4216-7-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-31-0x0000000070C30000-0x0000000070F84000-memory.dmp

          Filesize

          3.3MB

        • memory/4216-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-9-0x0000000005740000-0x0000000005762000-memory.dmp

          Filesize

          136KB

        • memory/4216-10-0x0000000006020000-0x0000000006086000-memory.dmp

          Filesize

          408KB

        • memory/4216-11-0x0000000006090000-0x00000000060F6000-memory.dmp

          Filesize

          408KB

        • memory/4216-53-0x0000000074BF0000-0x00000000753A0000-memory.dmp

          Filesize

          7.7MB

        • memory/4216-49-0x0000000007F20000-0x0000000007F3A000-memory.dmp

          Filesize

          104KB

        • memory/4216-28-0x0000000007C70000-0x0000000007CA2000-memory.dmp

          Filesize

          200KB

        • memory/4216-26-0x0000000008130000-0x00000000087AA000-memory.dmp

          Filesize

          6.5MB

        • memory/4216-27-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

          Filesize

          104KB

        • memory/4216-25-0x0000000007A30000-0x0000000007AA6000-memory.dmp

          Filesize

          472KB

        • memory/4216-24-0x0000000006CA0000-0x0000000006CE4000-memory.dmp

          Filesize

          272KB

        • memory/4216-23-0x0000000006730000-0x000000000677C000-memory.dmp

          Filesize

          304KB

        • memory/4216-44-0x0000000007DC0000-0x0000000007DCA000-memory.dmp

          Filesize

          40KB

        • memory/4216-21-0x0000000006100000-0x0000000006454000-memory.dmp

          Filesize

          3.3MB

        • memory/4632-118-0x0000000005F90000-0x00000000062E4000-memory.dmp

          Filesize

          3.3MB

        • memory/4632-121-0x0000000071180000-0x00000000714D4000-memory.dmp

          Filesize

          3.3MB

        • memory/4632-120-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          Filesize

          304KB

        • memory/5116-58-0x0000000005B90000-0x0000000005EE4000-memory.dmp

          Filesize

          3.3MB

        • memory/5116-68-0x00000000066C0000-0x000000000670C000-memory.dmp

          Filesize

          304KB

        • memory/5116-70-0x0000000071330000-0x0000000071684000-memory.dmp

          Filesize

          3.3MB

        • memory/5116-69-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          Filesize

          304KB

        • memory/5116-80-0x00000000073A0000-0x0000000007443000-memory.dmp

          Filesize

          652KB

        • memory/5116-81-0x00000000076C0000-0x00000000076D1000-memory.dmp

          Filesize

          68KB

        • memory/5116-82-0x0000000007710000-0x0000000007724000-memory.dmp

          Filesize

          80KB