Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2024 23:50

General

  • Target

    0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe

  • Size

    4.2MB

  • MD5

    73375f6b548bfc5264be3f77b4e4acc2

  • SHA1

    63d1a9f67f531fb100a1f08a4b8c7f68efc085b2

  • SHA256

    0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d

  • SHA512

    1977da4569660554b36306da56c87243c12162f3281cc881da75de07a0cc578c5d62ac7a204a2c9f061155740a32f449a98dd0e661fd39191836b7803da48a7a

  • SSDEEP

    98304:UHR7Rw1UeVSInmC6Ni9K2pljSFG9v41SjEKwaqon:ydw1UenmC6NP2p5SGvC8E1aqon

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 15 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 12 IoCs
  • Suspicious use of WriteProcessMemory 36 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\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe
    "C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4496
    • C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.exe
      "C:\Users\Admin\AppData\Local\Temp\0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d.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:3592
      • 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:2856
      • 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:3968
        • 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:2880
      • 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:2944
      • 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:2240
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4032
        • 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:5064
        • 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:1668
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4908
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2628
          • 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:2592
          • 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:2188
          • 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:3892
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:432
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:980
              • C:\Windows\SysWOW64\sc.exe
                sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                6⤵
                • Launches sc.exe
                • Suspicious use of AdjustPrivilegeToken
                PID:3868
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:1484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5iviiye2.1zy.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

      fc8276a9386d5a768a7993bd140fa493

      SHA1

      ea17e1660a62dcb765dc98c666b740999875c4a2

      SHA256

      24dc6d49b28dbd5788f451c532f23e01a7fba68f3bca6620f3e789bee96d6642

      SHA512

      e784a2f63ee4b5c60d56572197e21a2ffbb69156224f74a901eef057405264de700fd273217080cdc3d48fd9933f80ba7c89e0d8c28105c84781a20982abfc72

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

      Filesize

      19KB

      MD5

      41fc08b2edb0db0775294283cd42c47f

      SHA1

      38e175592073dae01d9415f290cc361156b7e555

      SHA256

      6fdc600eea4a1460d00e75b41ef5788e8f5853b03e801964939c77f81f08a338

      SHA512

      67aab0e288854e222557e3699ac9dc8d9740f86f5c2dd5d3232eeba44a3a836a4d546996b69a34541c449ddb4c40bd708d6f8a838b2473620aa0ba42fa693842

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

      Filesize

      19KB

      MD5

      1cc36735245caf1373d859feb96e218a

      SHA1

      d160a3d08607d1c62373a2364026b2e30dc845f3

      SHA256

      f92a40d06da848783208190e1d22bb8cbe519ac038ab03defde48e93f632f4f8

      SHA512

      b4fb1d294abc6786a341fdb497e0836ee0dbc9800a9118cb9620b87a2eaeca39cfc1c58a93fb67d2df30faf53d72a0786c3a6e7bc4a940e850e393c7b51e4dc2

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

      Filesize

      19KB

      MD5

      d9cf9923f5d91509d42bdc006707b297

      SHA1

      b65e560c1c8c72335b7b8b3eba278d243516fed3

      SHA256

      d541046e050c42d118b1e56b24a95ec11d8c055af885f5c52485cc9d98dd6405

      SHA512

      c9165c5ed5e388814cf2da317f849ba98efafc7940dcf02296f53f8fe0fbaab50bf380f0c142710058f0e5c777a7042981592785e600310aae0b96b5e785d17c

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

      Filesize

      19KB

      MD5

      e53c9f9fcbc08ba5c8b9b6647aa11a3d

      SHA1

      04501806e1b261ac5889a3ede8d3205482f93d19

      SHA256

      48c476cf922842e7b634bd88c511b8b337170541c1b1414c1a525a0df9fe82cc

      SHA512

      a246960ecee65fd55ec7eada71500bebb65438a90b4d883aa430fc2a3c589476f86020aacfb6bec6c58f26f42cab8979fe4f083a2fef34850a169df62ad21d99

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      73375f6b548bfc5264be3f77b4e4acc2

      SHA1

      63d1a9f67f531fb100a1f08a4b8c7f68efc085b2

      SHA256

      0bffa8fa858497f541e7ada983717caf77250f7435c42788e0304649da2d782d

      SHA512

      1977da4569660554b36306da56c87243c12162f3281cc881da75de07a0cc578c5d62ac7a204a2c9f061155740a32f449a98dd0e661fd39191836b7803da48a7a

    • C:\Windows\windefender.exe

      Filesize

      2.0MB

      MD5

      8e67f58837092385dcf01e8a2b4f5783

      SHA1

      012c49cfd8c5d06795a6f67ea2baf2a082cf8625

      SHA256

      166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

      SHA512

      40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

    • memory/116-51-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/116-52-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/116-1-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/432-222-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/432-217-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-234-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-226-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1484-220-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/2240-114-0x00000000706E0000-0x0000000070A34000-memory.dmp

      Filesize

      3.3MB

    • memory/2240-113-0x0000000070560000-0x00000000705AC000-memory.dmp

      Filesize

      304KB

    • memory/2592-194-0x0000000070600000-0x0000000070954000-memory.dmp

      Filesize

      3.3MB

    • memory/2592-193-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/2592-191-0x00000000063E0000-0x0000000006734000-memory.dmp

      Filesize

      3.3MB

    • memory/2628-158-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

      Filesize

      3.3MB

    • memory/2628-176-0x00000000074A0000-0x0000000007543000-memory.dmp

      Filesize

      652KB

    • memory/2628-165-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/2628-166-0x0000000070C10000-0x0000000070F64000-memory.dmp

      Filesize

      3.3MB

    • memory/2628-179-0x00000000077E0000-0x00000000077F1000-memory.dmp

      Filesize

      68KB

    • memory/2628-180-0x0000000006070000-0x0000000006084000-memory.dmp

      Filesize

      80KB

    • memory/2628-164-0x00000000062E0000-0x000000000632C000-memory.dmp

      Filesize

      304KB

    • memory/2856-74-0x0000000007080000-0x0000000007091000-memory.dmp

      Filesize

      68KB

    • memory/2856-75-0x00000000070D0000-0x00000000070E4000-memory.dmp

      Filesize

      80KB

    • memory/2856-62-0x0000000070560000-0x00000000705AC000-memory.dmp

      Filesize

      304KB

    • memory/2856-63-0x00000000706E0000-0x0000000070A34000-memory.dmp

      Filesize

      3.3MB

    • memory/2856-73-0x0000000006D70000-0x0000000006E13000-memory.dmp

      Filesize

      652KB

    • memory/2944-89-0x0000000070560000-0x00000000705AC000-memory.dmp

      Filesize

      304KB

    • memory/2944-90-0x00000000706E0000-0x0000000070A34000-memory.dmp

      Filesize

      3.3MB

    • memory/3592-112-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/3592-178-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-245-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-253-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-249-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-257-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-241-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-261-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-237-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-233-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-229-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-225-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-216-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4032-205-0x0000000000400000-0x0000000002EE9000-memory.dmp

      Filesize

      42.9MB

    • memory/4496-22-0x0000000007040000-0x00000000070B6000-memory.dmp

      Filesize

      472KB

    • memory/4496-6-0x0000000004D30000-0x0000000004D52000-memory.dmp

      Filesize

      136KB

    • memory/4496-26-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/4496-27-0x0000000070560000-0x00000000705AC000-memory.dmp

      Filesize

      304KB

    • memory/4496-24-0x00000000070C0000-0x00000000070DA000-memory.dmp

      Filesize

      104KB

    • memory/4496-38-0x00000000072C0000-0x00000000072DE000-memory.dmp

      Filesize

      120KB

    • memory/4496-23-0x0000000007740000-0x0000000007DBA000-memory.dmp

      Filesize

      6.5MB

    • memory/4496-49-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/4496-21-0x0000000006250000-0x0000000006294000-memory.dmp

      Filesize

      272KB

    • memory/4496-20-0x0000000005D40000-0x0000000005D8C000-memory.dmp

      Filesize

      304KB

    • memory/4496-19-0x0000000005D20000-0x0000000005D3E000-memory.dmp

      Filesize

      120KB

    • memory/4496-18-0x0000000005750000-0x0000000005AA4000-memory.dmp

      Filesize

      3.3MB

    • memory/4496-28-0x00000000706E0000-0x0000000070A34000-memory.dmp

      Filesize

      3.3MB

    • memory/4496-8-0x00000000055E0000-0x0000000005646000-memory.dmp

      Filesize

      408KB

    • memory/4496-7-0x0000000004DE0000-0x0000000004E46000-memory.dmp

      Filesize

      408KB

    • memory/4496-25-0x0000000007280000-0x00000000072B2000-memory.dmp

      Filesize

      200KB

    • memory/4496-46-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/4496-5-0x0000000004EC0000-0x00000000054E8000-memory.dmp

      Filesize

      6.2MB

    • memory/4496-4-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/4496-45-0x0000000007530000-0x000000000754A000-memory.dmp

      Filesize

      104KB

    • memory/4496-3-0x0000000002760000-0x0000000002796000-memory.dmp

      Filesize

      216KB

    • memory/4496-39-0x00000000072E0000-0x0000000007383000-memory.dmp

      Filesize

      652KB

    • memory/4496-2-0x00007FFB28890000-0x00007FFB28A85000-memory.dmp

      Filesize

      2.0MB

    • memory/4496-44-0x0000000007440000-0x0000000007454000-memory.dmp

      Filesize

      80KB

    • memory/4496-40-0x00000000073D0000-0x00000000073DA000-memory.dmp

      Filesize

      40KB

    • memory/4496-41-0x0000000007490000-0x0000000007526000-memory.dmp

      Filesize

      600KB

    • memory/4496-42-0x00000000073F0000-0x0000000007401000-memory.dmp

      Filesize

      68KB

    • memory/4496-43-0x0000000007430000-0x000000000743E000-memory.dmp

      Filesize

      56KB

    • memory/5064-139-0x0000000005E40000-0x0000000006194000-memory.dmp

      Filesize

      3.3MB

    • memory/5064-141-0x0000000070560000-0x00000000705AC000-memory.dmp

      Filesize

      304KB

    • memory/5064-142-0x0000000070CE0000-0x0000000071034000-memory.dmp

      Filesize

      3.3MB