Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 19:08

General

  • Target

    24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe

  • Size

    4.1MB

  • MD5

    38f15631eb20bbe8624185544f6cbdf2

  • SHA1

    b82c00c710105f456bf5c60ee9a7cd7e8638f0e2

  • SHA256

    24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851

  • SHA512

    5a5d9878d5136f83842a3df25110f5b8da0ec18bae422ebeb38ad1399ab823babc60c1f3a3672b73ca43d82a8d0551810186634f5fd401fe27485e7f98623fcc

  • SSDEEP

    98304:XfdvvxsKsILAm36siThwHiaydC4FMRNVHNMc:Xf1vB/LAQ8liXaC4wNVHic

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
  • 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\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe
    "C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852
    • C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.exe
      "C:\Users\Admin\AppData\Local\Temp\24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851.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:2888
      • 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:4016
      • 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:3684
        • 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:2176
      • 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:1156
      • 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:2804
      • 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:4392
        • 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:3796
        • 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:1240
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2892
          • 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:3464
          • 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:1696
          • 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:3664
          • 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:2684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_alpgitef.clz.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

      35f8550ff6b93326978c095fde28c91b

      SHA1

      0fcbdb788d9f743f25040aa7d2fb777510b3eb94

      SHA256

      931e97567cff0133ef4d2acbb27250ba334d0d8aad5a4b22c2eb0bdbf734f02a

      SHA512

      49dcfce395f44cffb84f7242dc5873df66470f2594546fe628ff0e513e9fdbad87516053d915d8fff6fac353ebab8fa58e1a8ab30c9bd1214fff6217f81e01cd

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

      Filesize

      19KB

      MD5

      213f084103450b3bc637ec1b5557ec5b

      SHA1

      f067fbf355ac25391a88ebf4461f9766a769f892

      SHA256

      8171d26d5b3854440cb1f137fae5196d70b919e8dd3749c139593a2566c70b97

      SHA512

      72d88da7264579458393015262aedba5fd76c0b1bd0c645d18afa738689b3fe46d60067eaa5c75449a1feea51aa3cec41844436f87451d6ee8947a64bbab2aa4

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

      Filesize

      19KB

      MD5

      05f4b0694eb00f63f5a87f250a73fcce

      SHA1

      2611b56d0db2da1ac16a70854d2a6345d38869ef

      SHA256

      0b116a311765d980376f65d7a9f7c6f04ac3b88fe85870b9502e23323a358a49

      SHA512

      ef22ed5431ae53634f9b7103864f010aa17df6a7d664755f95ad7b1c3f489c96bbabc1fc9db3805f489380b2d27f252fe04b7155743656da26f333acd4184a8e

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

      Filesize

      19KB

      MD5

      61b34ba7b4f4dfba19cbb96e23359372

      SHA1

      c2961195f49aa6798c86ca41414db265c889a979

      SHA256

      dfaa098825c2c66e4517f4623626491fe8f88b2003a310059ac167ef66b7f92d

      SHA512

      79d8633832c0eee15a7c16e59e6705aa81d9ea80c65b00d6d97449f696fc1fc12900d62fbbc2b69c1f77c04614a57e9998bf82abd94489e3999a183615bf0f3a

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

      Filesize

      19KB

      MD5

      3ba0bb86cfd0c158457917c479af807d

      SHA1

      a8f0211b4c9ddd993b600addfaf82abe04e99363

      SHA256

      ac0251660fee4bcbce5f98b82d35eb67eae4d9f565cbfa3a247654ad5b9c2a77

      SHA512

      55e3b1202ef90bbcbd74166fc33a2fe620621c54ddff45079862f3c85fd1ccecd612a719c09b5d047d23ca286f90fe954e98fc6242f45b5f2afaf81351627f57

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      38f15631eb20bbe8624185544f6cbdf2

      SHA1

      b82c00c710105f456bf5c60ee9a7cd7e8638f0e2

      SHA256

      24f9f240fe2ce607ba2fa81681414750eb554fcf6e9107334834a9ccb94bf851

      SHA512

      5a5d9878d5136f83842a3df25110f5b8da0ec18bae422ebeb38ad1399ab823babc60c1f3a3672b73ca43d82a8d0551810186634f5fd401fe27485e7f98623fcc

    • memory/852-44-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

      Filesize

      64KB

    • memory/852-50-0x0000000007D20000-0x0000000007D2E000-memory.dmp

      Filesize

      56KB

    • memory/852-10-0x0000000005F10000-0x0000000005F76000-memory.dmp

      Filesize

      408KB

    • memory/852-21-0x0000000005FF0000-0x0000000006344000-memory.dmp

      Filesize

      3.3MB

    • memory/852-22-0x00000000065E0000-0x00000000065FE000-memory.dmp

      Filesize

      120KB

    • memory/852-23-0x0000000006610000-0x000000000665C000-memory.dmp

      Filesize

      304KB

    • memory/852-24-0x0000000006A70000-0x0000000006AB4000-memory.dmp

      Filesize

      272KB

    • memory/852-25-0x0000000007910000-0x0000000007986000-memory.dmp

      Filesize

      472KB

    • memory/852-26-0x0000000008010000-0x000000000868A000-memory.dmp

      Filesize

      6.5MB

    • memory/852-27-0x0000000007990000-0x00000000079AA000-memory.dmp

      Filesize

      104KB

    • memory/852-4-0x0000000002CF0000-0x0000000002D26000-memory.dmp

      Filesize

      216KB

    • memory/852-29-0x000000007FB80000-0x000000007FB90000-memory.dmp

      Filesize

      64KB

    • memory/852-30-0x0000000007B50000-0x0000000007B82000-memory.dmp

      Filesize

      200KB

    • memory/852-31-0x0000000070210000-0x000000007025C000-memory.dmp

      Filesize

      304KB

    • memory/852-32-0x00000000707C0000-0x0000000070B14000-memory.dmp

      Filesize

      3.3MB

    • memory/852-42-0x0000000007B90000-0x0000000007BAE000-memory.dmp

      Filesize

      120KB

    • memory/852-45-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

      Filesize

      64KB

    • memory/852-9-0x0000000005620000-0x0000000005642000-memory.dmp

      Filesize

      136KB

    • memory/852-43-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

      Filesize

      64KB

    • memory/852-46-0x0000000007BB0000-0x0000000007C53000-memory.dmp

      Filesize

      652KB

    • memory/852-47-0x0000000007CA0000-0x0000000007CAA000-memory.dmp

      Filesize

      40KB

    • memory/852-48-0x0000000007D50000-0x0000000007DE6000-memory.dmp

      Filesize

      600KB

    • memory/852-49-0x0000000007CF0000-0x0000000007D01000-memory.dmp

      Filesize

      68KB

    • memory/852-11-0x0000000005F80000-0x0000000005FE6000-memory.dmp

      Filesize

      408KB

    • memory/852-51-0x0000000007D30000-0x0000000007D44000-memory.dmp

      Filesize

      80KB

    • memory/852-52-0x0000000007E10000-0x0000000007E2A000-memory.dmp

      Filesize

      104KB

    • memory/852-53-0x0000000007E00000-0x0000000007E08000-memory.dmp

      Filesize

      32KB

    • memory/852-56-0x0000000074370000-0x0000000074B20000-memory.dmp

      Filesize

      7.7MB

    • memory/852-7-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

      Filesize

      64KB

    • memory/852-6-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

      Filesize

      64KB

    • memory/852-5-0x0000000074370000-0x0000000074B20000-memory.dmp

      Filesize

      7.7MB

    • memory/852-8-0x0000000005770000-0x0000000005D98000-memory.dmp

      Filesize

      6.2MB

    • memory/1156-100-0x0000000070210000-0x000000007025C000-memory.dmp

      Filesize

      304KB

    • memory/1156-101-0x0000000070390000-0x00000000706E4000-memory.dmp

      Filesize

      3.3MB

    • memory/1644-59-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1644-1-0x0000000004AF0000-0x0000000004EEF000-memory.dmp

      Filesize

      4.0MB

    • memory/1644-60-0x0000000004EF0000-0x00000000057DB000-memory.dmp

      Filesize

      8.9MB

    • memory/1644-58-0x0000000004AF0000-0x0000000004EEF000-memory.dmp

      Filesize

      4.0MB

    • memory/1644-28-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1644-3-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1644-2-0x0000000004EF0000-0x00000000057DB000-memory.dmp

      Filesize

      8.9MB

    • memory/1696-208-0x00000000702B0000-0x0000000070604000-memory.dmp

      Filesize

      3.3MB

    • memory/1696-207-0x0000000070130000-0x000000007017C000-memory.dmp

      Filesize

      304KB

    • memory/2804-122-0x0000000070210000-0x000000007025C000-memory.dmp

      Filesize

      304KB

    • memory/2804-123-0x0000000070390000-0x00000000706E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2888-61-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2888-139-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/3464-195-0x0000000006120000-0x0000000006134000-memory.dmp

      Filesize

      80KB

    • memory/3464-180-0x0000000006690000-0x00000000066DC000-memory.dmp

      Filesize

      304KB

    • memory/3464-194-0x0000000005F00000-0x0000000005F11000-memory.dmp

      Filesize

      68KB

    • memory/3464-193-0x00000000078A0000-0x0000000007943000-memory.dmp

      Filesize

      652KB

    • memory/3464-182-0x0000000070130000-0x000000007017C000-memory.dmp

      Filesize

      304KB

    • memory/3464-183-0x00000000702B0000-0x0000000070604000-memory.dmp

      Filesize

      3.3MB

    • memory/3464-178-0x0000000006190000-0x00000000064E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3796-155-0x0000000070990000-0x0000000070CE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3796-146-0x0000000005EE0000-0x0000000006234000-memory.dmp

      Filesize

      3.3MB

    • memory/3796-154-0x0000000070210000-0x000000007025C000-memory.dmp

      Filesize

      304KB

    • memory/4016-84-0x0000000007A00000-0x0000000007A11000-memory.dmp

      Filesize

      68KB

    • memory/4016-72-0x0000000070210000-0x000000007025C000-memory.dmp

      Filesize

      304KB

    • memory/4016-83-0x00000000076C0000-0x0000000007763000-memory.dmp

      Filesize

      652KB

    • memory/4016-85-0x0000000007A50000-0x0000000007A64000-memory.dmp

      Filesize

      80KB

    • memory/4016-71-0x0000000006060000-0x00000000063B4000-memory.dmp

      Filesize

      3.3MB

    • memory/4016-73-0x0000000070390000-0x00000000706E4000-memory.dmp

      Filesize

      3.3MB

    • memory/4392-249-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-234-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-225-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-228-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-231-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-153-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-237-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-240-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-243-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-246-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/4392-168-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB