Analysis

  • max time kernel
    17s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-05-2024 04:42

General

  • Target

    9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889.exe

  • Size

    4.1MB

  • MD5

    c41b21fe2fcb66071f624818a895b90d

  • SHA1

    4ae8a24c25e5503293b5ea66edb6b1cae9223931

  • SHA256

    9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889

  • SHA512

    93ac9c73fa73248f07e52780dfff02d34d69044d9a6035f75818783c574595ce904b1bfac9129810638c92cc8bda1d576349825d7d17005e254306338835f8b2

  • SSDEEP

    98304:xF6ieDB4Q2OtKb6TlvzLX19wqsRLeMbc4b5st3+vVhNu642TN:f6ZBzRtxlbPwqsRHvV2Mp

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
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 2 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.

  • Launches sc.exe 1 IoCs

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

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889.exe
    "C:\Users\Admin\AppData\Local\Temp\9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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:2312
    • C:\Users\Admin\AppData\Local\Temp\9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889.exe
      "C:\Users\Admin\AppData\Local\Temp\9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3168
      • 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:2128
      • 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:1432
        • 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:1976
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2100
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        PID:5060
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
          PID:2480
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:3520
          • 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:4140
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /delete /tn ScheduledUpdate /f
            4⤵
              PID:3384
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:1348
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:1868
            • 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⤵
                PID:1532
              • 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:2428
              • C:\Windows\windefender.exe
                "C:\Windows\windefender.exe"
                4⤵
                  PID:3944
                  • 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⤵
                      PID:888
                      • 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
                        PID:1940
            • C:\Windows\windefender.exe
              C:\Windows\windefender.exe
              1⤵
                PID:4592

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iekgx2ef.byw.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

                d0c46cad6c0778401e21910bd6b56b70

                SHA1

                7be418951ea96326aca445b8dfe449b2bfa0dca6

                SHA256

                9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

                SHA512

                057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

                Filesize

                19KB

                MD5

                d3c4469f0273705072f1ce1e68eace1f

                SHA1

                cdd6e673d33933827289f79f5200520b85deb12d

                SHA256

                8de96d4f553bb2098389c22cac3cd31baa0d94380ad4526d75e8cc6eb23e46e9

                SHA512

                21856af6a455a5c08f6b08dd0f66bb0cd7ef65effe74ad57480156dc66a17aeeab0088a4f50ad3728f64e3cd935b390034daaec6374088e87694170883cde819

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

                Filesize

                19KB

                MD5

                9e11607c02d0309321da18e8198c9f27

                SHA1

                9cd6c1e19566ae97f67ed4406c84b432045bfdd2

                SHA256

                2a05a1bc0ea342b32e45d08c9985eea975dd361e5609a2cba787389ecbbd7606

                SHA512

                a7aaecb1f87b7705243f3315aadc68d67a63bd00a8e890cecd00be30347a02ffb67e1dcfebdb7125513b10b396ee31a1cbf56dde5e5d85c7d2ccf0c0d20b833d

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

                Filesize

                19KB

                MD5

                ea18612d4ac261ebb6fb8e36c36c9438

                SHA1

                46cb31397183d22e55163d5a5f4fb8e9c6b6fe41

                SHA256

                0ba94ad42ab440f60112fa754388b423c136283e10aa8d2ea922775545d92871

                SHA512

                71def5a2bf8ff99c96f229eb0fabd46475358bf43b37016b27dd16646c93c0c326b304283ff9ea0a1a98bcf2602f8780363ca65c1e663d74d9c2af1b176df86c

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

                Filesize

                19KB

                MD5

                864db84ae4698e65f0e434c297b93e6c

                SHA1

                15fa806fdabeaafe1972be905cb75ede84c11791

                SHA256

                e39d4e7e046e9e812ea7e3819d3155bc9bba42d85e68919542010f0f43006f96

                SHA512

                dc27e35d26f4ff803adbdf343891e1aef7dc0de9fcf0414f6e62a43a5e586f62333b0ac061daf97537dd0b82aac9490178ec8451c42055758e1eedb6db729613

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

                Filesize

                19KB

                MD5

                30ef5e37ddf1032ff6ddfc7c6a95a29f

                SHA1

                cb4568b66968623265a1c30cdd50c700acf5f97c

                SHA256

                e020bd4db4071dc8cf458988f7bc71eb1da057dcb6cb954d916c393429af5234

                SHA512

                81bedec81d34537aa2c1937d2a3e9bf277619d538949a376754c0d523567efb127fbbad2d116aa5932515b781a721432d1bd9e3e5c407b2599dfe4c0d3aaef7b

              • C:\Windows\rss\csrss.exe

                Filesize

                4.1MB

                MD5

                c41b21fe2fcb66071f624818a895b90d

                SHA1

                4ae8a24c25e5503293b5ea66edb6b1cae9223931

                SHA256

                9f7ebc42f5976c03c79432e841b67d17a4645bd6c643377d59b4dca09fe04889

                SHA512

                93ac9c73fa73248f07e52780dfff02d34d69044d9a6035f75818783c574595ce904b1bfac9129810638c92cc8bda1d576349825d7d17005e254306338835f8b2

              • C:\Windows\windefender.exe

                Filesize

                2.0MB

                MD5

                8e67f58837092385dcf01e8a2b4f5783

                SHA1

                012c49cfd8c5d06795a6f67ea2baf2a082cf8625

                SHA256

                166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

                SHA512

                40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

              • memory/1348-160-0x00000000704D0000-0x0000000070827000-memory.dmp

                Filesize

                3.3MB

              • memory/1348-159-0x0000000070260000-0x00000000702AC000-memory.dmp

                Filesize

                304KB

              • memory/1348-169-0x00000000074E0000-0x0000000007584000-memory.dmp

                Filesize

                656KB

              • memory/1348-158-0x00000000062C0000-0x000000000630C000-memory.dmp

                Filesize

                304KB

              • memory/1348-170-0x0000000007810000-0x0000000007821000-memory.dmp

                Filesize

                68KB

              • memory/1348-171-0x0000000006070000-0x0000000006085000-memory.dmp

                Filesize

                84KB

              • memory/1868-181-0x0000000005C00000-0x0000000005F57000-memory.dmp

                Filesize

                3.3MB

              • memory/1868-183-0x0000000070260000-0x00000000702AC000-memory.dmp

                Filesize

                304KB

              • memory/1868-184-0x00000000703E0000-0x0000000070737000-memory.dmp

                Filesize

                3.3MB

              • memory/2100-86-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/2100-87-0x0000000070C80000-0x0000000070FD7000-memory.dmp

                Filesize

                3.3MB

              • memory/2100-84-0x0000000006290000-0x00000000065E7000-memory.dmp

                Filesize

                3.3MB

              • memory/2128-59-0x0000000006370000-0x00000000066C7000-memory.dmp

                Filesize

                3.3MB

              • memory/2128-72-0x0000000007E80000-0x0000000007E95000-memory.dmp

                Filesize

                84KB

              • memory/2128-71-0x0000000007E30000-0x0000000007E41000-memory.dmp

                Filesize

                68KB

              • memory/2128-70-0x0000000007AF0000-0x0000000007B94000-memory.dmp

                Filesize

                656KB

              • memory/2128-61-0x00000000705B0000-0x0000000070907000-memory.dmp

                Filesize

                3.3MB

              • memory/2128-60-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/2188-2-0x0000000005050000-0x000000000593B000-memory.dmp

                Filesize

                8.9MB

              • memory/2188-1-0x00000000032A0000-0x00000000036A3000-memory.dmp

                Filesize

                4.0MB

              • memory/2188-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/2188-50-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2188-127-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/2188-108-0x0000000005050000-0x000000000593B000-memory.dmp

                Filesize

                8.9MB

              • memory/2188-107-0x00000000032A0000-0x00000000036A3000-memory.dmp

                Filesize

                4.0MB

              • memory/2312-21-0x0000000006690000-0x00000000066AE000-memory.dmp

                Filesize

                120KB

              • memory/2312-22-0x0000000006730000-0x000000000677C000-memory.dmp

                Filesize

                304KB

              • memory/2312-39-0x0000000007C90000-0x0000000007C9A000-memory.dmp

                Filesize

                40KB

              • memory/2312-35-0x0000000007B00000-0x0000000007B1E000-memory.dmp

                Filesize

                120KB

              • memory/2312-36-0x0000000007B20000-0x0000000007BC4000-memory.dmp

                Filesize

                656KB

              • memory/2312-37-0x0000000008290000-0x000000000890A000-memory.dmp

                Filesize

                6.5MB

              • memory/2312-10-0x0000000006120000-0x0000000006186000-memory.dmp

                Filesize

                408KB

              • memory/2312-41-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

                Filesize

                68KB

              • memory/2312-40-0x0000000007DA0000-0x0000000007E36000-memory.dmp

                Filesize

                600KB

              • memory/2312-26-0x00000000704D0000-0x0000000070827000-memory.dmp

                Filesize

                3.3MB

              • memory/2312-42-0x0000000007D00000-0x0000000007D0E000-memory.dmp

                Filesize

                56KB

              • memory/2312-44-0x0000000007D60000-0x0000000007D7A000-memory.dmp

                Filesize

                104KB

              • memory/2312-11-0x0000000006190000-0x00000000061F6000-memory.dmp

                Filesize

                408KB

              • memory/2312-25-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/2312-24-0x0000000007AC0000-0x0000000007AF4000-memory.dmp

                Filesize

                208KB

              • memory/2312-48-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2312-43-0x0000000007D10000-0x0000000007D25000-memory.dmp

                Filesize

                84KB

              • memory/2312-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

                Filesize

                4KB

              • memory/2312-9-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2312-5-0x00000000031E0000-0x0000000003216000-memory.dmp

                Filesize

                216KB

              • memory/2312-7-0x0000000005A80000-0x00000000060AA000-memory.dmp

                Filesize

                6.2MB

              • memory/2312-6-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2312-45-0x0000000007D80000-0x0000000007D88000-memory.dmp

                Filesize

                32KB

              • memory/2312-20-0x0000000006200000-0x0000000006557000-memory.dmp

                Filesize

                3.3MB

              • memory/2312-23-0x00000000078C0000-0x0000000007906000-memory.dmp

                Filesize

                280KB

              • memory/2312-38-0x0000000007C50000-0x0000000007C6A000-memory.dmp

                Filesize

                104KB

              • memory/2312-8-0x0000000005810000-0x0000000005832000-memory.dmp

                Filesize

                136KB

              • memory/2480-230-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-198-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-226-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-219-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-239-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-215-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-223-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-243-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-247-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-207-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-235-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/2480-250-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/3168-126-0x0000000000400000-0x0000000002EE2000-memory.dmp

                Filesize

                42.9MB

              • memory/3520-136-0x00000000063E0000-0x0000000006737000-memory.dmp

                Filesize

                3.3MB

              • memory/3520-138-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/3520-139-0x0000000070550000-0x00000000708A7000-memory.dmp

                Filesize

                3.3MB

              • memory/3944-211-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3944-206-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/4592-224-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/4592-216-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/4592-210-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/5060-109-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/5060-110-0x0000000070590000-0x00000000708E7000-memory.dmp

                Filesize

                3.3MB

              • memory/5060-105-0x0000000005A80000-0x0000000005DD7000-memory.dmp

                Filesize

                3.3MB