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Analysis

  • max time kernel
    10s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/05/2024, 01:54

General

  • Target

    6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b.exe

  • Size

    4.1MB

  • MD5

    a9ff8e69692def51525760f51284539a

  • SHA1

    dcb401e525396487ee3f19c4892c8e75f10da42f

  • SHA256

    6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b

  • SHA512

    be71258a9d21904eaaa9d4b9363547cdf16977283f13b97c19b562a811fe415abd2f263ce569c02b0e47f6917b29fe16004e1666a2df27a23423cf3d2ab0e1a4

  • SSDEEP

    98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22L:8rcnZFqd2LRPP3hYhQZL

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
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 3 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b.exe
    "C:\Users\Admin\AppData\Local\Temp\6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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:1780
    • C:\Users\Admin\AppData\Local\Temp\6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b.exe
      "C:\Users\Admin\AppData\Local\Temp\6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3704
      • 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:3200
      • 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:2788
        • 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:5068
      • 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:1536
      • 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:556
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
          PID:3320
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:2212
          • 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:3048
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /delete /tn ScheduledUpdate /f
            4⤵
              PID:2232
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:2140
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:2688
            • 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:4976
              • 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:4748
              • C:\Windows\windefender.exe
                "C:\Windows\windefender.exe"
                4⤵
                  PID:2632
                  • 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:224
                      • 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:2876
            • C:\Windows\windefender.exe
              C:\Windows\windefender.exe
              1⤵
                PID:2916

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5jifykz.ztp.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

                cfbade60e6d445ca339734a7c1834860

                SHA1

                50ff419ed8c55180109a1aa738370b419b9b99ac

                SHA256

                d78a6878a0cc0bf4bdc01876f56150d97d12a5ac87011512f74e8c8b1d9c7dee

                SHA512

                f6b18339ed6e48ed4b1881216642b44f7f1892c8bd3efda00a14ed4fc0dc6c31faaa8405d881347a3183dd50194f7c736ef261375842caea2d58d924b630068b

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

                Filesize

                19KB

                MD5

                8d421ca49d4722cc3ea88f0d6ef88535

                SHA1

                e0cc2035b10340aa46113ba0918e4841a2490252

                SHA256

                d4a07dbf0eb72ac636bc6a3d9f35e9ab17dee6b2be5e9459cb849da2c0caea5e

                SHA512

                3d9e493804c3834b4e45893525079ef6126df9c076e7bc5575aa0717fa3b941514da76b879c5fb7e8ff3e32728e189e874303dbd7915f78b414a1e07f06dafe9

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

                Filesize

                19KB

                MD5

                7d72d52c6bcbfe408213ae1cdd8cf9dd

                SHA1

                2ce564c16710ac91826a04dd5a8b1eb5162591aa

                SHA256

                539b60d26a2bf6af7dec0b131a16d016ff61f24b6aa861e3b3e005ecce558e7b

                SHA512

                f547e97bc8de45a29eedd13d5ddb2a4a7944671315fd8f59d4fdf9222b203e34154f49e2fb8538b24044f76b872a77f063e0abbdc4c4b1c0a3ae5a027e409142

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

                Filesize

                19KB

                MD5

                3f0c4e842c9d59f83a42337c8e7fd1da

                SHA1

                09890712e8988867337571952920ab465aed08a8

                SHA256

                ed98d30c80ce84ec202335ed0bf202bc41310af4a51ed467ab9cf1b857c31a29

                SHA512

                a28e55750ec06352c5ae3dd2418eeebb92cdfb65324094a09ef363180ab8bfc1fa94a6982da39c4c3a233758ffcf039820fce7bf4367f20be8e039344af04a4a

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

                Filesize

                19KB

                MD5

                0a16fc6e3576659821b2e1aafc2cdf01

                SHA1

                39f44857443b6de0979e1daba50b7faf523d2dcc

                SHA256

                1c425c360299b83782b31722fdc232328323c86df3db0db647c9a84e8b8d278c

                SHA512

                e1b2096f350a8af49eae814a9594cae99201c69412df74654389248c4ac731c84685ff6256efb6c99b4b7b93731c4d1b546e229112616edff7103a7565316e38

              • C:\Windows\rss\csrss.exe

                Filesize

                4.1MB

                MD5

                a9ff8e69692def51525760f51284539a

                SHA1

                dcb401e525396487ee3f19c4892c8e75f10da42f

                SHA256

                6f18a37dff3bd99962843de1a8842fe97b75c60c980ed62b2a0e414864552c1b

                SHA512

                be71258a9d21904eaaa9d4b9363547cdf16977283f13b97c19b562a811fe415abd2f263ce569c02b0e47f6917b29fe16004e1666a2df27a23423cf3d2ab0e1a4

              • C:\Windows\windefender.exe

                Filesize

                2.0MB

                MD5

                8e67f58837092385dcf01e8a2b4f5783

                SHA1

                012c49cfd8c5d06795a6f67ea2baf2a082cf8625

                SHA256

                166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

                SHA512

                40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

              • memory/556-109-0x0000000070320000-0x0000000070677000-memory.dmp

                Filesize

                3.3MB

              • memory/556-106-0x00000000057F0000-0x0000000005B47000-memory.dmp

                Filesize

                3.3MB

              • memory/556-108-0x0000000070190000-0x00000000701DC000-memory.dmp

                Filesize

                304KB

              • memory/1536-87-0x0000000070190000-0x00000000701DC000-memory.dmp

                Filesize

                304KB

              • memory/1536-88-0x0000000070310000-0x0000000070667000-memory.dmp

                Filesize

                3.3MB

              • memory/1536-85-0x0000000005BA0000-0x0000000005EF7000-memory.dmp

                Filesize

                3.3MB

              • memory/1780-38-0x0000000073F20000-0x00000000746D1000-memory.dmp

                Filesize

                7.7MB

              • memory/1780-11-0x0000000073F20000-0x00000000746D1000-memory.dmp

                Filesize

                7.7MB

              • memory/1780-26-0x0000000073F20000-0x00000000746D1000-memory.dmp

                Filesize

                7.7MB

              • memory/1780-36-0x00000000076A0000-0x00000000076BE000-memory.dmp

                Filesize

                120KB

              • memory/1780-27-0x0000000070360000-0x00000000706B7000-memory.dmp

                Filesize

                3.3MB

              • memory/1780-37-0x00000000076C0000-0x0000000007764000-memory.dmp

                Filesize

                656KB

              • memory/1780-25-0x0000000070190000-0x00000000701DC000-memory.dmp

                Filesize

                304KB

              • memory/1780-40-0x00000000077F0000-0x000000000780A000-memory.dmp

                Filesize

                104KB

              • memory/1780-39-0x0000000007E30000-0x00000000084AA000-memory.dmp

                Filesize

                6.5MB

              • memory/1780-41-0x0000000007830000-0x000000000783A000-memory.dmp

                Filesize

                40KB

              • memory/1780-42-0x0000000007940000-0x00000000079D6000-memory.dmp

                Filesize

                600KB

              • memory/1780-43-0x0000000007850000-0x0000000007861000-memory.dmp

                Filesize

                68KB

              • memory/1780-44-0x00000000078A0000-0x00000000078AE000-memory.dmp

                Filesize

                56KB

              • memory/1780-45-0x00000000078B0000-0x00000000078C5000-memory.dmp

                Filesize

                84KB

              • memory/1780-46-0x0000000007900000-0x000000000791A000-memory.dmp

                Filesize

                104KB

              • memory/1780-47-0x0000000007920000-0x0000000007928000-memory.dmp

                Filesize

                32KB

              • memory/1780-50-0x0000000073F20000-0x00000000746D1000-memory.dmp

                Filesize

                7.7MB

              • memory/1780-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

                Filesize

                4KB

              • memory/1780-5-0x0000000002D70000-0x0000000002DA6000-memory.dmp

                Filesize

                216KB

              • memory/1780-6-0x0000000005580000-0x0000000005BAA000-memory.dmp

                Filesize

                6.2MB

              • memory/1780-7-0x0000000073F20000-0x00000000746D1000-memory.dmp

                Filesize

                7.7MB

              • memory/1780-8-0x00000000054A0000-0x00000000054C2000-memory.dmp

                Filesize

                136KB

              • memory/1780-10-0x0000000005D40000-0x0000000005DA6000-memory.dmp

                Filesize

                408KB

              • memory/1780-24-0x0000000007640000-0x0000000007674000-memory.dmp

                Filesize

                208KB

              • memory/1780-23-0x00000000067F0000-0x0000000006836000-memory.dmp

                Filesize

                280KB

              • memory/1780-22-0x00000000062D0000-0x000000000631C000-memory.dmp

                Filesize

                304KB

              • memory/1780-21-0x0000000006230000-0x000000000624E000-memory.dmp

                Filesize

                120KB

              • memory/1780-17-0x0000000005DB0000-0x0000000006107000-memory.dmp

                Filesize

                3.3MB

              • memory/1780-9-0x0000000005C20000-0x0000000005C86000-memory.dmp

                Filesize

                408KB

              • memory/2092-2-0x0000000004550000-0x0000000004E3B000-memory.dmp

                Filesize

                8.9MB

              • memory/2092-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/2092-195-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/2092-125-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/2092-1-0x0000000004150000-0x000000000454C000-memory.dmp

                Filesize

                4.0MB

              • memory/2092-126-0x0000000004150000-0x000000000454C000-memory.dmp

                Filesize

                4.0MB

              • memory/2092-127-0x0000000004550000-0x0000000004E3B000-memory.dmp

                Filesize

                8.9MB

              • memory/2140-172-0x0000000005C00000-0x0000000005C15000-memory.dmp

                Filesize

                84KB

              • memory/2140-157-0x0000000006430000-0x0000000006787000-memory.dmp

                Filesize

                3.3MB

              • memory/2140-159-0x0000000006B50000-0x0000000006B9C000-memory.dmp

                Filesize

                304KB

              • memory/2140-160-0x00000000700B0000-0x00000000700FC000-memory.dmp

                Filesize

                304KB

              • memory/2140-170-0x0000000007BC0000-0x0000000007C64000-memory.dmp

                Filesize

                656KB

              • memory/2140-161-0x0000000070300000-0x0000000070657000-memory.dmp

                Filesize

                3.3MB

              • memory/2140-171-0x0000000007F30000-0x0000000007F41000-memory.dmp

                Filesize

                68KB

              • memory/2212-136-0x00000000063E0000-0x0000000006737000-memory.dmp

                Filesize

                3.3MB

              • memory/2212-138-0x0000000070190000-0x00000000701DC000-memory.dmp

                Filesize

                304KB

              • memory/2212-139-0x00000000703E0000-0x0000000070737000-memory.dmp

                Filesize

                3.3MB

              • memory/2632-207-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/2632-211-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/2688-184-0x00000000700B0000-0x00000000700FC000-memory.dmp

                Filesize

                304KB

              • memory/2688-185-0x00000000702C0000-0x0000000070617000-memory.dmp

                Filesize

                3.3MB

              • memory/2688-182-0x0000000005E50000-0x00000000061A7000-memory.dmp

                Filesize

                3.3MB

              • memory/2916-214-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/2916-220-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/2916-210-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3200-60-0x0000000006240000-0x0000000006597000-memory.dmp

                Filesize

                3.3MB

              • memory/3200-73-0x0000000007D40000-0x0000000007D55000-memory.dmp

                Filesize

                84KB

              • memory/3200-62-0x0000000070AE0000-0x0000000070E37000-memory.dmp

                Filesize

                3.3MB

              • memory/3200-61-0x0000000070190000-0x00000000701DC000-memory.dmp

                Filesize

                304KB

              • memory/3200-71-0x00000000079C0000-0x0000000007A64000-memory.dmp

                Filesize

                656KB

              • memory/3200-72-0x0000000007CF0000-0x0000000007D01000-memory.dmp

                Filesize

                68KB

              • memory/3320-202-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-237-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-216-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-219-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-246-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-222-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-225-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-228-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-231-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-234-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-213-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-240-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3320-243-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB

              • memory/3704-122-0x0000000000400000-0x0000000002361000-memory.dmp

                Filesize

                31.4MB