Analysis

  • max time kernel
    9s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18-05-2024 21:57

General

  • Target

    c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03.exe

  • Size

    4.1MB

  • MD5

    5d554990f88d73556fb9c539884a5ebe

  • SHA1

    627b5540b78befb90725af0a8ec5ce3c57e08c72

  • SHA256

    c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03

  • SHA512

    f3282bdc6aff8380863d48dfa1ffec51e6405d91c1698a9964c04ef858dd9cf826a98d89e4bbe80c94e5a928aed93772599507e93913e816db6fcf73fe499291

  • SSDEEP

    98304:BsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivv:Bs5hioeyE6OsERj43n4

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 1 IoCs
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 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
  • 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03.exe
    "C:\Users\Admin\AppData\Local\Temp\c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1788
    • 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:3456
    • C:\Users\Admin\AppData\Local\Temp\c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03.exe
      "C:\Users\Admin\AppData\Local\Temp\c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03.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:1612
      • 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:1104
      • 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:4668
        • 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:2280
      • 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: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:3152
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1516
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Command and Scripting Interpreter: PowerShell
          PID:4444
        • 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:3116
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3600
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:3668
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:1372
          • 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:2164
            • 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:648
            • C:\Windows\windefender.exe
              "C:\Windows\windefender.exe"
              4⤵
                PID:4984
                • 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:3820
                    • 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:2492
          • C:\Windows\windefender.exe
            C:\Windows\windefender.exe
            1⤵
              PID:4960

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4mgc0otk.ly1.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

              ac4917a885cf6050b1a483e4bc4d2ea5

              SHA1

              b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

              SHA256

              e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

              SHA512

              092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

              Filesize

              19KB

              MD5

              93d18ab6e41cde6c39c3e6895cfad521

              SHA1

              f7569a022bd18521ed95132c81638e211463fae2

              SHA256

              9f58b6dc1ef9fc7e059a515cdb7c0eff1b1ae480f3085a3766cc21af8f212bde

              SHA512

              8526285c783fed49e66f33a8d8febe12bf03e90e78ff8de817aefd4b5b7b3027864dd607e250c40a0f4b96d7e9cc7c1398845c7e5f35b6f2e36882b1e7ef9c56

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

              Filesize

              19KB

              MD5

              b5d306e54b75aa0216c67a4f172a406d

              SHA1

              b9050e7e62b679559044b630f9528290f942862f

              SHA256

              0970d51ac660b62b81501d4b1aa2b6ff1280cca2793bdf0b8ea046ca406a65f9

              SHA512

              ee4424613287f5cc9e1230b8c150b17a581946630865c41927fea8d388cf79cb2e43a290d6b46d05de2763dbe69cdb43fafefb36b2a78dad527acd78523c3649

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

              Filesize

              19KB

              MD5

              1e35cf600182175e745dfea7c2d22a79

              SHA1

              e1246e494583a085fce5a4417489f420c573aa41

              SHA256

              12bf8bf7b29cedf31cd3396e2fd24949b908b9aee43b8b68ff3dd7b4135a4442

              SHA512

              2ab01815778ef3acdb54e94efaccc399d3b4928c1ca0cb854593e4f5769c80c5a71a84af4b1670dcf6ce6740c9104e655c3af436ae51168bb3162fb5d7714b19

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

              Filesize

              19KB

              MD5

              205d3fd9345db97d466ed14e04550afb

              SHA1

              bf81e3011e5c8882783bfddbf2fe9f7152e2ea83

              SHA256

              0837d0dd4ab9fc83fda180518915700c423ef614f558bd38f1013e06f43535a2

              SHA512

              9c445ab058da06ee770a1bc4f6e76d0a657aef9d005c3370e6c929830445e6afaee972b15f4c4b639b90ab0cba1ddd47766e658f56ccb99648574622804245a2

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

              Filesize

              19KB

              MD5

              381ca2a95daedd25213d2801696cfe53

              SHA1

              a5b13d6512bfd80d3f1f8d34f05347a8f5803d0f

              SHA256

              d472cade3df0e1d63b7c71db2ae1ca4d15cf552aaccfba72318937faaee19e86

              SHA512

              e0a660f1d55de0b8a5d649902b63337792dbb319bf444e555752e1b47f60adc59e321805515f684ab6c2f48f1d32cbef79194486d83c15a2db8eb2c1dcbe45b7

            • C:\Windows\rss\csrss.exe

              Filesize

              4.1MB

              MD5

              5d554990f88d73556fb9c539884a5ebe

              SHA1

              627b5540b78befb90725af0a8ec5ce3c57e08c72

              SHA256

              c36653cb7df6edcb4bbf29043ffed14e9c229c4b46858323e9d00aebef1e0f03

              SHA512

              f3282bdc6aff8380863d48dfa1ffec51e6405d91c1698a9964c04ef858dd9cf826a98d89e4bbe80c94e5a928aed93772599507e93913e816db6fcf73fe499291

            • C:\Windows\windefender.exe

              Filesize

              2.0MB

              MD5

              8e67f58837092385dcf01e8a2b4f5783

              SHA1

              012c49cfd8c5d06795a6f67ea2baf2a082cf8625

              SHA256

              166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

              SHA512

              40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

            • memory/1104-62-0x0000000070D50000-0x00000000710A7000-memory.dmp

              Filesize

              3.3MB

            • memory/1104-71-0x0000000007650000-0x00000000076F4000-memory.dmp

              Filesize

              656KB

            • memory/1104-61-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

              Filesize

              304KB

            • memory/1104-72-0x00000000079A0000-0x00000000079B1000-memory.dmp

              Filesize

              68KB

            • memory/1104-73-0x00000000079E0000-0x00000000079F5000-memory.dmp

              Filesize

              84KB

            • memory/1104-60-0x0000000006060000-0x00000000063B7000-memory.dmp

              Filesize

              3.3MB

            • memory/1372-179-0x0000000005B70000-0x0000000005EC7000-memory.dmp

              Filesize

              3.3MB

            • memory/1372-182-0x0000000070D00000-0x0000000071057000-memory.dmp

              Filesize

              3.3MB

            • memory/1372-181-0x0000000070AF0000-0x0000000070B3C000-memory.dmp

              Filesize

              304KB

            • memory/1516-231-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-209-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-219-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-233-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-221-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-224-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-236-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-240-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-243-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-199-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-228-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-212-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1516-216-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1612-122-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1788-97-0x00000000044D0000-0x00000000048CC000-memory.dmp

              Filesize

              4.0MB

            • memory/1788-144-0x0000000000400000-0x0000000002732000-memory.dmp

              Filesize

              35.2MB

            • memory/1788-197-0x0000000000400000-0x0000000000D1C000-memory.dmp

              Filesize

              9.1MB

            • memory/1788-145-0x00000000048D0000-0x00000000051BB000-memory.dmp

              Filesize

              8.9MB

            • memory/1788-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

              Filesize

              9.1MB

            • memory/1788-2-0x00000000048D0000-0x00000000051BB000-memory.dmp

              Filesize

              8.9MB

            • memory/1788-1-0x00000000044D0000-0x00000000048CC000-memory.dmp

              Filesize

              4.0MB

            • memory/3152-109-0x0000000070E20000-0x0000000071177000-memory.dmp

              Filesize

              3.3MB

            • memory/3152-108-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

              Filesize

              304KB

            • memory/3168-77-0x00000000061B0000-0x0000000006507000-memory.dmp

              Filesize

              3.3MB

            • memory/3168-87-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

              Filesize

              304KB

            • memory/3168-88-0x0000000070E20000-0x0000000071177000-memory.dmp

              Filesize

              3.3MB

            • memory/3456-4-0x000000007496E000-0x000000007496F000-memory.dmp

              Filesize

              4KB

            • memory/3456-50-0x0000000074960000-0x0000000075111000-memory.dmp

              Filesize

              7.7MB

            • memory/3456-43-0x0000000007850000-0x0000000007861000-memory.dmp

              Filesize

              68KB

            • memory/3456-41-0x0000000007830000-0x000000000783A000-memory.dmp

              Filesize

              40KB

            • memory/3456-40-0x00000000077F0000-0x000000000780A000-memory.dmp

              Filesize

              104KB

            • memory/3456-26-0x0000000074960000-0x0000000075111000-memory.dmp

              Filesize

              7.7MB

            • memory/3456-44-0x00000000078A0000-0x00000000078AE000-memory.dmp

              Filesize

              56KB

            • memory/3456-45-0x00000000078B0000-0x00000000078C5000-memory.dmp

              Filesize

              84KB

            • memory/3456-46-0x0000000007900000-0x000000000791A000-memory.dmp

              Filesize

              104KB

            • memory/3456-20-0x0000000005DA0000-0x00000000060F7000-memory.dmp

              Filesize

              3.3MB

            • memory/3456-27-0x0000000070D60000-0x00000000710B7000-memory.dmp

              Filesize

              3.3MB

            • memory/3456-42-0x0000000007940000-0x00000000079D6000-memory.dmp

              Filesize

              600KB

            • memory/3456-5-0x0000000002A50000-0x0000000002A86000-memory.dmp

              Filesize

              216KB

            • memory/3456-7-0x0000000074960000-0x0000000075111000-memory.dmp

              Filesize

              7.7MB

            • memory/3456-6-0x00000000055D0000-0x0000000005BFA000-memory.dmp

              Filesize

              6.2MB

            • memory/3456-39-0x0000000007E30000-0x00000000084AA000-memory.dmp

              Filesize

              6.5MB

            • memory/3456-8-0x0000000074960000-0x0000000075111000-memory.dmp

              Filesize

              7.7MB

            • memory/3456-38-0x0000000074960000-0x0000000075111000-memory.dmp

              Filesize

              7.7MB

            • memory/3456-36-0x00000000076A0000-0x00000000076BE000-memory.dmp

              Filesize

              120KB

            • memory/3456-37-0x00000000076C0000-0x0000000007764000-memory.dmp

              Filesize

              656KB

            • memory/3456-24-0x0000000007660000-0x0000000007694000-memory.dmp

              Filesize

              208KB

            • memory/3456-25-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

              Filesize

              304KB

            • memory/3456-47-0x0000000007920000-0x0000000007928000-memory.dmp

              Filesize

              32KB

            • memory/3456-23-0x00000000067E0000-0x0000000006826000-memory.dmp

              Filesize

              280KB

            • memory/3456-9-0x0000000005390000-0x00000000053B2000-memory.dmp

              Filesize

              136KB

            • memory/3456-22-0x00000000062C0000-0x000000000630C000-memory.dmp

              Filesize

              304KB

            • memory/3456-10-0x0000000005530000-0x0000000005596000-memory.dmp

              Filesize

              408KB

            • memory/3456-11-0x0000000005D30000-0x0000000005D96000-memory.dmp

              Filesize

              408KB

            • memory/3456-21-0x0000000006260000-0x000000000627E000-memory.dmp

              Filesize

              120KB

            • memory/3668-168-0x0000000007280000-0x0000000007291000-memory.dmp

              Filesize

              68KB

            • memory/3668-167-0x0000000006F60000-0x0000000007004000-memory.dmp

              Filesize

              656KB

            • memory/3668-156-0x0000000006290000-0x00000000062DC000-memory.dmp

              Filesize

              304KB

            • memory/3668-157-0x0000000070AF0000-0x0000000070B3C000-memory.dmp

              Filesize

              304KB

            • memory/3668-169-0x0000000005A80000-0x0000000005A95000-memory.dmp

              Filesize

              84KB

            • memory/3668-158-0x0000000070D60000-0x00000000710B7000-memory.dmp

              Filesize

              3.3MB

            • memory/4444-135-0x0000000070D50000-0x00000000710A7000-memory.dmp

              Filesize

              3.3MB

            • memory/4444-134-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

              Filesize

              304KB

            • memory/4960-226-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/4960-211-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/4960-217-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/4960-207-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/4984-204-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/4984-208-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB