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Analysis

  • max time kernel
    151s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2023, 04:55

General

  • Target

    d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436.exe

  • Size

    4.2MB

  • MD5

    f3158a6df0ae23abc8aa58a794d6e833

  • SHA1

    4e0087ef53de76bec282be089e3707794986bca2

  • SHA256

    d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436

  • SHA512

    accd799a0faee4b2a0b67c27877debf9a9d5d8aa865664859dc04cbaf4d968f51b3e143d111056d3026e7dbc4bad39b13b8b03efbd6ca9a1f3ae61c6f05ab6e4

  • SSDEEP

    98304:xF10jpaWsugxMhTbI3iyxger++TzsWgXZ7Un:V0jUIHhTXIge5EjXZK

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 20 IoCs
  • Modifies Windows Firewall 1 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 1 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\d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436.exe
    "C:\Users\Admin\AppData\Local\Temp\d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3520
    • C:\Users\Admin\AppData\Local\Temp\d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436.exe
      "C:\Users\Admin\AppData\Local\Temp\d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436.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:1432
      • 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:2084
      • 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:2072
        • 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:1280
      • 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:4344
      • 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:4432
      • 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:924
        • 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:3896
        • 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:2748
        • 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:4624
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2948
          • 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:1804
          • 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:3188
          • 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:4408
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 900
        2⤵
        • Program crash
        PID:2736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2304 -ip 2304
      1⤵
        PID:3492

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jvkvzexr.kh3.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:\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

        511ab874db24a56f75ceb625e91fc099

        SHA1

        fa78fe3b63163092d2606335bacbc9e22951755a

        SHA256

        5a514806d1e4de899deaf9f717dccf0684028fee60b337be0e19b56aa096ee5c

        SHA512

        831566829f8aca4b248ffe1aff672930ff64db2bda39e2358364f24b364be83e2c578dbf1a58e6449cf6623fa30c751e764d5a4fac8ce37b8894f77ad506031d

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

        Filesize

        19KB

        MD5

        4d1d5c00e67beef8d96fe449eb1dbb3e

        SHA1

        d8cfcbbe57e7dea3516fac0c8cfcbe16f17a4229

        SHA256

        ae96019e22720612d63544b0f7467fbc84e84218a12149b3b2d2eec9ed0a7d45

        SHA512

        b4516d45a912656436546bd83f5f6e76c8ea9d81057ad91313d55b6d7734e699425313f866adfd98ab46e2785d142e74db3ffb1a10a542bfdd3a7d19fcbe6a01

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

        Filesize

        19KB

        MD5

        b0e3f8cea255b089f8eca2ada361e5de

        SHA1

        026a49fcae81eac376b99eccc35100f407a1577c

        SHA256

        efe35861f5a860fd61b0227b460fd3839737a77a6fd3223a43b271d42ea877eb

        SHA512

        3632f3deeb4181fbdf3c2675d9c195b7981e9d6eb7b469fe7922520799e3b8db615efa240c043830d507a48c24c39cbb50e2a1bf6953b2f374b0d57f136ec819

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

        Filesize

        19KB

        MD5

        f56345305d2039ed561a8687edc75a9b

        SHA1

        884048000479731faaef83f4e56c6e539693c1c7

        SHA256

        56a74f5f266fdd6a875c52dbd163931e320473bd0a4fffb53995629aaf2f901c

        SHA512

        279225c516ec901fe5c4a30accc5c1016b81172fed189c239cc4150c1883028c684b284260d96d22b4260579838f80fda116abb3932a0293d94eef743f838442

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

        Filesize

        19KB

        MD5

        90e938ab7c7e376b5c947418fb0f8129

        SHA1

        721b3fb2895af1585174ede8fe59235de4920ccc

        SHA256

        95ecf25ab0523585042114ccc91e2bcb79797dcd03bcd945fc94f4cb36c67524

        SHA512

        f83830e50ef01f2447e483ca484ffe74c1e31a99e052b78c995b1dd3fe9077658bf79ba81b5da50e9a00dc1564d121fec66de3e3c586e9978a6009ac048f21cd

      • C:\Windows\rss\csrss.exe

        Filesize

        4.2MB

        MD5

        f3158a6df0ae23abc8aa58a794d6e833

        SHA1

        4e0087ef53de76bec282be089e3707794986bca2

        SHA256

        d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436

        SHA512

        accd799a0faee4b2a0b67c27877debf9a9d5d8aa865664859dc04cbaf4d968f51b3e143d111056d3026e7dbc4bad39b13b8b03efbd6ca9a1f3ae61c6f05ab6e4

      • C:\Windows\rss\csrss.exe

        Filesize

        4.2MB

        MD5

        f3158a6df0ae23abc8aa58a794d6e833

        SHA1

        4e0087ef53de76bec282be089e3707794986bca2

        SHA256

        d90a1ace2b650839188b87bad44aa97a4cabb290d344b4e0cedac82bf40ee436

        SHA512

        accd799a0faee4b2a0b67c27877debf9a9d5d8aa865664859dc04cbaf4d968f51b3e143d111056d3026e7dbc4bad39b13b8b03efbd6ca9a1f3ae61c6f05ab6e4

      • memory/924-269-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-265-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-245-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-266-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-267-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-268-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-270-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/924-197-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-142-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-100-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-76-0x0000000004350000-0x0000000004749000-memory.dmp

        Filesize

        4.0MB

      • memory/1432-62-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-61-0x0000000004350000-0x0000000004749000-memory.dmp

        Filesize

        4.0MB

      • memory/1432-78-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-91-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/1432-160-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/2084-93-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2084-90-0x00000000072C0000-0x0000000007363000-memory.dmp

        Filesize

        652KB

      • memory/2084-77-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        Filesize

        64KB

      • memory/2084-99-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2084-96-0x0000000007600000-0x0000000007614000-memory.dmp

        Filesize

        80KB

      • memory/2084-95-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        Filesize

        64KB

      • memory/2084-94-0x00000000075B0000-0x00000000075C1000-memory.dmp

        Filesize

        68KB

      • memory/2084-75-0x00000000065C0000-0x000000000660C000-memory.dmp

        Filesize

        304KB

      • memory/2084-92-0x000000007FA20000-0x000000007FA30000-memory.dmp

        Filesize

        64KB

      • memory/2084-70-0x0000000005A80000-0x0000000005DD4000-memory.dmp

        Filesize

        3.3MB

      • memory/2084-80-0x0000000071340000-0x0000000071694000-memory.dmp

        Filesize

        3.3MB

      • memory/2084-64-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        Filesize

        64KB

      • memory/2084-79-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

        Filesize

        304KB

      • memory/2084-63-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2304-23-0x0000000004440000-0x0000000004843000-memory.dmp

        Filesize

        4.0MB

      • memory/2304-1-0x0000000004440000-0x0000000004843000-memory.dmp

        Filesize

        4.0MB

      • memory/2304-59-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/2304-2-0x0000000004850000-0x000000000513B000-memory.dmp

        Filesize

        8.9MB

      • memory/2304-9-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/2304-3-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/2304-24-0x0000000004850000-0x000000000513B000-memory.dmp

        Filesize

        8.9MB

      • memory/2304-35-0x0000000000400000-0x0000000002675000-memory.dmp

        Filesize

        34.5MB

      • memory/3520-31-0x00000000070D0000-0x00000000070EA000-memory.dmp

        Filesize

        104KB

      • memory/3520-25-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

        Filesize

        120KB

      • memory/3520-56-0x0000000007670000-0x0000000007678000-memory.dmp

        Filesize

        32KB

      • memory/3520-55-0x0000000007680000-0x000000000769A000-memory.dmp

        Filesize

        104KB

      • memory/3520-54-0x0000000007640000-0x0000000007654000-memory.dmp

        Filesize

        80KB

      • memory/3520-53-0x0000000007620000-0x000000000762E000-memory.dmp

        Filesize

        56KB

      • memory/3520-52-0x00000000075E0000-0x00000000075F1000-memory.dmp

        Filesize

        68KB

      • memory/3520-51-0x0000000007DB0000-0x0000000007E46000-memory.dmp

        Filesize

        600KB

      • memory/3520-50-0x00000000075D0000-0x00000000075DA000-memory.dmp

        Filesize

        40KB

      • memory/3520-49-0x000000007F570000-0x000000007F580000-memory.dmp

        Filesize

        64KB

      • memory/3520-48-0x00000000074C0000-0x0000000007563000-memory.dmp

        Filesize

        652KB

      • memory/3520-47-0x0000000007460000-0x000000000747E000-memory.dmp

        Filesize

        120KB

      • memory/3520-37-0x0000000071240000-0x0000000071594000-memory.dmp

        Filesize

        3.3MB

      • memory/3520-4-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3520-5-0x00000000049F0000-0x0000000004A00000-memory.dmp

        Filesize

        64KB

      • memory/3520-6-0x0000000002900000-0x0000000002936000-memory.dmp

        Filesize

        216KB

      • memory/3520-36-0x0000000070AA0000-0x0000000070AEC000-memory.dmp

        Filesize

        304KB

      • memory/3520-7-0x00000000049F0000-0x0000000004A00000-memory.dmp

        Filesize

        64KB

      • memory/3520-8-0x0000000005030000-0x0000000005658000-memory.dmp

        Filesize

        6.2MB

      • memory/3520-10-0x0000000004F10000-0x0000000004F32000-memory.dmp

        Filesize

        136KB

      • memory/3520-11-0x0000000004FB0000-0x0000000005016000-memory.dmp

        Filesize

        408KB

      • memory/3520-12-0x00000000057D0000-0x0000000005836000-memory.dmp

        Filesize

        408KB

      • memory/3520-18-0x00000000058C0000-0x0000000005C14000-memory.dmp

        Filesize

        3.3MB

      • memory/3520-33-0x00000000049F0000-0x0000000004A00000-memory.dmp

        Filesize

        64KB

      • memory/3520-34-0x0000000007480000-0x00000000074B2000-memory.dmp

        Filesize

        200KB

      • memory/3520-32-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3520-30-0x0000000007730000-0x0000000007DAA000-memory.dmp

        Filesize

        6.5MB

      • memory/3520-29-0x0000000007030000-0x00000000070A6000-memory.dmp

        Filesize

        472KB

      • memory/3520-28-0x00000000049F0000-0x0000000004A00000-memory.dmp

        Filesize

        64KB

      • memory/3520-27-0x00000000064A0000-0x00000000064E4000-memory.dmp

        Filesize

        272KB

      • memory/3520-26-0x0000000005F60000-0x0000000005FAC000-memory.dmp

        Filesize

        304KB

      • memory/3520-58-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4344-128-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/4344-117-0x0000000071360000-0x00000000716B4000-memory.dmp

        Filesize

        3.3MB

      • memory/4344-116-0x0000000070BA0000-0x0000000070BEC000-memory.dmp

        Filesize

        304KB

      • memory/4344-115-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/4344-110-0x0000000005B00000-0x0000000005E54000-memory.dmp

        Filesize

        3.3MB

      • memory/4344-102-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/4344-103-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

        Filesize

        64KB

      • memory/4432-130-0x00000000029F0000-0x0000000002A00000-memory.dmp

        Filesize

        64KB

      • memory/4432-129-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB