Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 11:52

General

  • Target

    3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9.exe

  • Size

    4.1MB

  • MD5

    fbb4b14002cf63fb5d71d1398c4a7de6

  • SHA1

    4845ce2c35974330310f79ae5aade376fdb39865

  • SHA256

    3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9

  • SHA512

    191eac97109aa8c68a26214cc6a5abf20bf26716de04d5471b67e55f7132762ea91a483e0df504c77ef195b4595ff060ba2739d293d097a02948d430cc63c3ae

  • SSDEEP

    98304:IZ9bi3QNEOtUId2petU9sYIhWVMAA4+H1:B303UIApyYIhWVME8

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.

  • 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\3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9.exe
    "C:\Users\Admin\AppData\Local\Temp\3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4980
    • 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:4316
    • C:\Users\Admin\AppData\Local\Temp\3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9.exe
      "C:\Users\Admin\AppData\Local\Temp\3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9.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:5112
      • 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:1820
      • 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:3140
        • 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:560
      • 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:4772
      • 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:3952
      • 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:4052
        • 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:4228
        • 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:2812
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4704
          • 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:492
          • 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:1572
          • 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:912
          • 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:1776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ld4xeshl.ps3.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

      a28b7a8de202978f7c3362814dc74bf2

      SHA1

      4b55e81c7d1d59f97cc41f81981ffed3bc524beb

      SHA256

      ab27e04fcfc6d8ac567e7cbdb8ff42d33c956e9694513a1ec987ad13b20df758

      SHA512

      4e19e148f7d22de75d724cba938cdfd36891e8602e1e94c76bfba6846baae9506859df3f3ced3be02982d49285c764f498ea363de2628840899fb58763405ae7

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

      Filesize

      19KB

      MD5

      8262d0a8262bff8eb14140c1a0ef33fe

      SHA1

      e1aa598b5d013da9d19298aa9a154c20d4b430aa

      SHA256

      9d9724d0884fb1b38e19e46d48f2f6b3eee690ee7336b587499898b95db64204

      SHA512

      7b8add296d0472c5666c6598e66cf0c4f67fedc31642720d7f4f0165049cd534b70a21b4c2cc20fc963816bbaea86680178fdacb09ccd5e58f6737d58ce3bc60

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

      Filesize

      19KB

      MD5

      15b38622c2b61655a67cfbe16009c515

      SHA1

      01bcfbb8861a8e66692a6de59214e33ccedc224e

      SHA256

      284c553d4d15168e4ace80c742a53a92a4173ab472935fcbec613c26d5973b9a

      SHA512

      79098cbc4f35213f042f0690c0b6495c2a2bc1bcba7a9cb394f393f4b4d9219582b09de7d7af5069915dc3a774aba5b5c01c26eb62649963df3ad4049bd9197c

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

      Filesize

      19KB

      MD5

      62bf637cef99e67d66f32684aade10d9

      SHA1

      431ebafcbc43384e9ea56e0ab2defb28132ec393

      SHA256

      745a871f315547c9ffe946b0ee6611ea674598f4daf6a8e40242ee5542a36f9d

      SHA512

      c9a3c1bb2b6aa50832e15d7d0375c3dfd3536986d36107a19e5d76aeb70ce32e37bb95079cc037c98891e28d88b3729c94ee80105c82e8b57e805527059a4046

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

      Filesize

      19KB

      MD5

      28264a6c2a38c23ffe9cafb214a76715

      SHA1

      0847b90e3be24fcec9facf83f632159076cbf38c

      SHA256

      6bdb90fbc30d17017a895dbedfb9968cc8270d696c7e490fe336b41d812f9864

      SHA512

      597887a5288ba4c75193e0440aca9f70864f5c5c04e9d17a9adbdccd8e96484451d32ba7ec645a9349700db2ce60e5a70c449854b20af869afe13a4489877e6c

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      fbb4b14002cf63fb5d71d1398c4a7de6

      SHA1

      4845ce2c35974330310f79ae5aade376fdb39865

      SHA256

      3b668a9058993f472824dc4acf46a0bd31986fd8ce51686dd65d620967f554e9

      SHA512

      191eac97109aa8c68a26214cc6a5abf20bf26716de04d5471b67e55f7132762ea91a483e0df504c77ef195b4595ff060ba2739d293d097a02948d430cc63c3ae

    • memory/492-187-0x00000000073A0000-0x0000000007443000-memory.dmp

      Filesize

      652KB

    • memory/492-176-0x00000000700A0000-0x00000000700EC000-memory.dmp

      Filesize

      304KB

    • memory/492-177-0x0000000070840000-0x0000000070B94000-memory.dmp

      Filesize

      3.3MB

    • memory/492-175-0x0000000006180000-0x00000000061CC000-memory.dmp

      Filesize

      304KB

    • memory/492-188-0x00000000076D0000-0x00000000076E1000-memory.dmp

      Filesize

      68KB

    • memory/492-164-0x0000000005A50000-0x0000000005DA4000-memory.dmp

      Filesize

      3.3MB

    • memory/492-189-0x0000000005F60000-0x0000000005F74000-memory.dmp

      Filesize

      80KB

    • memory/1572-200-0x0000000005900000-0x0000000005C54000-memory.dmp

      Filesize

      3.3MB

    • memory/1572-202-0x00000000700A0000-0x00000000700EC000-memory.dmp

      Filesize

      304KB

    • memory/1572-203-0x0000000070220000-0x0000000070574000-memory.dmp

      Filesize

      3.3MB

    • memory/1820-82-0x0000000007BF0000-0x0000000007C04000-memory.dmp

      Filesize

      80KB

    • memory/1820-70-0x00000000709C0000-0x0000000070D14000-memory.dmp

      Filesize

      3.3MB

    • memory/1820-69-0x0000000070220000-0x000000007026C000-memory.dmp

      Filesize

      304KB

    • memory/1820-68-0x0000000006BD0000-0x0000000006C1C000-memory.dmp

      Filesize

      304KB

    • memory/1820-63-0x0000000006030000-0x0000000006384000-memory.dmp

      Filesize

      3.3MB

    • memory/1820-80-0x0000000007870000-0x0000000007913000-memory.dmp

      Filesize

      652KB

    • memory/1820-81-0x0000000007BA0000-0x0000000007BB1000-memory.dmp

      Filesize

      68KB

    • memory/3952-120-0x00000000709C0000-0x0000000070D14000-memory.dmp

      Filesize

      3.3MB

    • memory/3952-119-0x0000000070220000-0x000000007026C000-memory.dmp

      Filesize

      304KB

    • memory/4052-236-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-228-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-225-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-224-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-222-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-220-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-230-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-232-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-234-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-238-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-240-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-242-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4052-243-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4228-147-0x0000000005D10000-0x0000000005D5C000-memory.dmp

      Filesize

      304KB

    • memory/4228-145-0x0000000005610000-0x0000000005964000-memory.dmp

      Filesize

      3.3MB

    • memory/4228-161-0x00000000059A0000-0x00000000059B4000-memory.dmp

      Filesize

      80KB

    • memory/4228-160-0x0000000007160000-0x0000000007171000-memory.dmp

      Filesize

      68KB

    • memory/4228-159-0x0000000006E20000-0x0000000006EC3000-memory.dmp

      Filesize

      652KB

    • memory/4228-149-0x0000000070920000-0x0000000070C74000-memory.dmp

      Filesize

      3.3MB

    • memory/4228-148-0x0000000070180000-0x00000000701CC000-memory.dmp

      Filesize

      304KB

    • memory/4316-21-0x00000000055C0000-0x0000000005914000-memory.dmp

      Filesize

      3.3MB

    • memory/4316-50-0x0000000007360000-0x0000000007368000-memory.dmp

      Filesize

      32KB

    • memory/4316-31-0x0000000070860000-0x0000000070BB4000-memory.dmp

      Filesize

      3.3MB

    • memory/4316-41-0x00000000071A0000-0x00000000071BE000-memory.dmp

      Filesize

      120KB

    • memory/4316-25-0x0000000006D00000-0x0000000006D76000-memory.dmp

      Filesize

      472KB

    • memory/4316-42-0x0000000074280000-0x0000000074A30000-memory.dmp

      Filesize

      7.7MB

    • memory/4316-24-0x0000000006150000-0x0000000006194000-memory.dmp

      Filesize

      272KB

    • memory/4316-28-0x0000000007160000-0x0000000007192000-memory.dmp

      Filesize

      200KB

    • memory/4316-43-0x00000000071C0000-0x0000000007263000-memory.dmp

      Filesize

      652KB

    • memory/4316-27-0x0000000006DA0000-0x0000000006DBA000-memory.dmp

      Filesize

      104KB

    • memory/4316-30-0x0000000074280000-0x0000000074A30000-memory.dmp

      Filesize

      7.7MB

    • memory/4316-29-0x0000000070120000-0x000000007016C000-memory.dmp

      Filesize

      304KB

    • memory/4316-44-0x00000000072B0000-0x00000000072BA000-memory.dmp

      Filesize

      40KB

    • memory/4316-45-0x0000000007A80000-0x0000000007B16000-memory.dmp

      Filesize

      600KB

    • memory/4316-23-0x0000000005C10000-0x0000000005C5C000-memory.dmp

      Filesize

      304KB

    • memory/4316-22-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

      Filesize

      120KB

    • memory/4316-46-0x00000000072C0000-0x00000000072D1000-memory.dmp

      Filesize

      68KB

    • memory/4316-10-0x00000000052E0000-0x0000000005346000-memory.dmp

      Filesize

      408KB

    • memory/4316-11-0x0000000005350000-0x00000000053B6000-memory.dmp

      Filesize

      408KB

    • memory/4316-9-0x0000000004C10000-0x0000000004C32000-memory.dmp

      Filesize

      136KB

    • memory/4316-8-0x0000000074280000-0x0000000074A30000-memory.dmp

      Filesize

      7.7MB

    • memory/4316-7-0x0000000074280000-0x0000000074A30000-memory.dmp

      Filesize

      7.7MB

    • memory/4316-6-0x0000000004CB0000-0x00000000052D8000-memory.dmp

      Filesize

      6.2MB

    • memory/4316-5-0x0000000004600000-0x0000000004636000-memory.dmp

      Filesize

      216KB

    • memory/4316-4-0x000000007428E000-0x000000007428F000-memory.dmp

      Filesize

      4KB

    • memory/4316-47-0x0000000007300000-0x000000000730E000-memory.dmp

      Filesize

      56KB

    • memory/4316-48-0x0000000007320000-0x0000000007334000-memory.dmp

      Filesize

      80KB

    • memory/4316-53-0x0000000074280000-0x0000000074A30000-memory.dmp

      Filesize

      7.7MB

    • memory/4316-26-0x0000000007400000-0x0000000007A7A000-memory.dmp

      Filesize

      6.5MB

    • memory/4316-49-0x0000000007370000-0x000000000738A000-memory.dmp

      Filesize

      104KB

    • memory/4772-95-0x0000000005680000-0x00000000059D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4772-97-0x0000000070220000-0x000000007026C000-memory.dmp

      Filesize

      304KB

    • memory/4772-98-0x00000000703A0000-0x00000000706F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4980-2-0x0000000004B90000-0x000000000547B000-memory.dmp

      Filesize

      8.9MB

    • memory/4980-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4980-54-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4980-1-0x0000000004780000-0x0000000004B81000-memory.dmp

      Filesize

      4.0MB

    • memory/4980-57-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4980-56-0x0000000004B90000-0x000000000547B000-memory.dmp

      Filesize

      8.9MB

    • memory/5112-162-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB