Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/05/2024, 15:24

General

  • Target

    9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe

  • Size

    4.1MB

  • MD5

    93a658296b4be3d4d5126a60a487d1f9

  • SHA1

    9b12347718392de4cd89a917ffcf3a4155d66abd

  • SHA256

    9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511

  • SHA512

    4f62fe67cc299b8e9874effc112c9dd293ea74cf41f104a60e0345953345a3f535e32c51bb9391ded44357e10f2e804d23971e973f0cccd2edfdac87e9c2c152

  • SSDEEP

    98304:wvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cJ:GzBhDcIv8bCGbNmyXXxFQGyJ

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 13 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 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.

  • 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
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 25 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\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe
    "C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3912
    • 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:2268
    • C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.exe
      "C:\Users\Admin\AppData\Local\Temp\9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511.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:720
      • 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:4968
      • 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:2272
        • 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:4556
      • 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:1444
      • 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:2776
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:1544
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4084
        • 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:2440
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3244
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4260
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2372
          • 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⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:788
          • 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:4256
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1868
            • 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:3660
              • 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:4960
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Modifies data under HKEY_USERS
      PID:2492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cnmwxejn.fcf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • 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

      2e63c980ce4f8a0e2f6119fe1d812e70

      SHA1

      958f163f4d3e9e334f848e38b6dd56c0bced6137

      SHA256

      aa26ec28e3861f7b121143caf7bc5a4921333995bad83ff799b9f561e5d76d9c

      SHA512

      b1bbc31c544a8c57d0006e526b8df195a90791dba1c1f06e9b53edab089c2a3de98e1b91ca8556ca1ab82e74616dc5821b53d23050d811473c594ba07c6f402d

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

      Filesize

      19KB

      MD5

      01b9bed1e7e92a32aea997f6c67f7e3f

      SHA1

      b9cf3e1047c93061242c2afb48bdaf4958e72a6c

      SHA256

      6edcd6fb23cfa8c3438dc447441432f5ddecb9549ac19bc9f323d6b5f0e2c197

      SHA512

      520abf12a878f6aab38242203d991d3d70b99beda9512a6c9da29f7e0234b54c47d6fa1969f7069a3db2bfe33ec1a66a6813a63296cc57a93ea2dc575fa719b6

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

      Filesize

      19KB

      MD5

      c68d1ef69d6772966800c0e62c348734

      SHA1

      a18cf4b6027ac0b8f87b4b1437276079ff97b84d

      SHA256

      9e63096638d2276aac5a85e1b947c17a58f8ce04a2b4d96f7e36aada3aeb4aaa

      SHA512

      4552a1837909a0928f8a5a52a47efe8763d05d7f77a3b1afef4d4c2c037bb0e7069e66277e89c2e818fd19ba6163ec982e3d8873fd6bd4249c47a030336b6fa8

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

      Filesize

      19KB

      MD5

      4d6f95213b4f6302a3f3db583e59ba22

      SHA1

      ccad5dcfaa938b6e10eb01b6996c144942eb96aa

      SHA256

      fa7b21423972903a06c77d0fdecfc4bc8c1bfdcaf2c5f81c59ac768a95239acd

      SHA512

      6133a666ac2c82e8f5e47e257737ba55168c8ac811b470c4bbb9cc41445a30dcfeef6bb89e68b46e40d318f56241fb04077f530ddec056867d1daed1d0f6d03e

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

      Filesize

      19KB

      MD5

      3b3a19b783d7810c89a2b9234241ab19

      SHA1

      c71743dce027233ac4210d12a0c965769a2e2624

      SHA256

      21059c1d3087895102be3fe8a1b0709ad4f78534f65791400015e1718b92ac45

      SHA512

      3c69b74d151d5083006c769c2a59b4ff8d649c1896ac087d0af30b551b8a4b34a77cd7bda6c3be0e9540288a1c78309782973e457496a5adb2a19b7956b14c7f

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      93a658296b4be3d4d5126a60a487d1f9

      SHA1

      9b12347718392de4cd89a917ffcf3a4155d66abd

      SHA256

      9f5be7f86f25bf7f8816718238bd9788a07d27116ebf5435bbe18e81fd982511

      SHA512

      4f62fe67cc299b8e9874effc112c9dd293ea74cf41f104a60e0345953345a3f535e32c51bb9391ded44357e10f2e804d23971e973f0cccd2edfdac87e9c2c152

    • memory/720-52-0x0000000002A60000-0x0000000002E63000-memory.dmp

      Filesize

      4.0MB

    • memory/720-135-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/720-199-0x0000000002A60000-0x0000000002E63000-memory.dmp

      Filesize

      4.0MB

    • memory/1444-91-0x0000000070D10000-0x0000000071067000-memory.dmp

      Filesize

      3.3MB

    • memory/1444-90-0x0000000070B00000-0x0000000070B4C000-memory.dmp

      Filesize

      304KB

    • memory/1544-242-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-209-0x0000000075080000-0x00000000750C1000-memory.dmp

      Filesize

      260KB

    • memory/1544-250-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-195-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-196-0x0000000075110000-0x0000000075177000-memory.dmp

      Filesize

      412KB

    • memory/1544-197-0x00000000750F0000-0x000000007510E000-memory.dmp

      Filesize

      120KB

    • memory/1544-198-0x00000000750D0000-0x00000000750E1000-memory.dmp

      Filesize

      68KB

    • memory/1544-233-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-206-0x0000000075110000-0x0000000075177000-memory.dmp

      Filesize

      412KB

    • memory/1544-205-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-259-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-214-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1544-223-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1868-203-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/1868-200-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/2268-45-0x00000000078E0000-0x00000000078F5000-memory.dmp

      Filesize

      84KB

    • memory/2268-35-0x00000000076D0000-0x00000000076EE000-memory.dmp

      Filesize

      120KB

    • memory/2268-46-0x0000000007930000-0x000000000794A000-memory.dmp

      Filesize

      104KB

    • memory/2268-47-0x0000000007950000-0x0000000007958000-memory.dmp

      Filesize

      32KB

    • memory/2268-50-0x0000000074890000-0x0000000075041000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-21-0x0000000006280000-0x000000000629E000-memory.dmp

      Filesize

      120KB

    • memory/2268-44-0x00000000078D0000-0x00000000078DE000-memory.dmp

      Filesize

      56KB

    • memory/2268-43-0x0000000007880000-0x0000000007891000-memory.dmp

      Filesize

      68KB

    • memory/2268-23-0x00000000067E0000-0x0000000006826000-memory.dmp

      Filesize

      280KB

    • memory/2268-42-0x0000000007970000-0x0000000007A06000-memory.dmp

      Filesize

      600KB

    • memory/2268-25-0x0000000070B00000-0x0000000070B4C000-memory.dmp

      Filesize

      304KB

    • memory/2268-24-0x0000000007670000-0x00000000076A4000-memory.dmp

      Filesize

      208KB

    • memory/2268-26-0x0000000070D10000-0x0000000071067000-memory.dmp

      Filesize

      3.3MB

    • memory/2268-37-0x00000000076F0000-0x0000000007794000-memory.dmp

      Filesize

      656KB

    • memory/2268-41-0x0000000007860000-0x000000000786A000-memory.dmp

      Filesize

      40KB

    • memory/2268-17-0x0000000005DC0000-0x0000000006117000-memory.dmp

      Filesize

      3.3MB

    • memory/2268-10-0x0000000005CE0000-0x0000000005D46000-memory.dmp

      Filesize

      408KB

    • memory/2268-11-0x0000000005D50000-0x0000000005DB6000-memory.dmp

      Filesize

      408KB

    • memory/2268-9-0x00000000055B0000-0x00000000055D2000-memory.dmp

      Filesize

      136KB

    • memory/2268-36-0x0000000074890000-0x0000000075041000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-8-0x0000000074890000-0x0000000075041000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-22-0x0000000006300000-0x000000000634C000-memory.dmp

      Filesize

      304KB

    • memory/2268-38-0x0000000074890000-0x0000000075041000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-7-0x0000000074890000-0x0000000075041000-memory.dmp

      Filesize

      7.7MB

    • memory/2268-40-0x0000000007820000-0x000000000783A000-memory.dmp

      Filesize

      104KB

    • memory/2268-6-0x00000000056B0000-0x0000000005CDA000-memory.dmp

      Filesize

      6.2MB

    • memory/2268-5-0x0000000002A40000-0x0000000002A76000-memory.dmp

      Filesize

      216KB

    • memory/2268-39-0x0000000007E60000-0x00000000084DA000-memory.dmp

      Filesize

      6.5MB

    • memory/2268-4-0x000000007489E000-0x000000007489F000-memory.dmp

      Filesize

      4KB

    • memory/2372-182-0x0000000070A20000-0x0000000070A6C000-memory.dmp

      Filesize

      304KB

    • memory/2372-183-0x0000000070BC0000-0x0000000070F17000-memory.dmp

      Filesize

      3.3MB

    • memory/2492-201-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/2492-212-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/2492-230-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/2776-111-0x0000000070B00000-0x0000000070B4C000-memory.dmp

      Filesize

      304KB

    • memory/2776-112-0x0000000070C80000-0x0000000070FD7000-memory.dmp

      Filesize

      3.3MB

    • memory/2776-109-0x00000000061D0000-0x0000000006527000-memory.dmp

      Filesize

      3.3MB

    • memory/3912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3912-1-0x0000000002B90000-0x0000000002F95000-memory.dmp

      Filesize

      4.0MB

    • memory/3912-75-0x0000000002FA0000-0x000000000388B000-memory.dmp

      Filesize

      8.9MB

    • memory/3912-73-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3912-74-0x0000000002B90000-0x0000000002F95000-memory.dmp

      Filesize

      4.0MB

    • memory/3912-2-0x0000000002FA0000-0x000000000388B000-memory.dmp

      Filesize

      8.9MB

    • memory/4084-136-0x0000000070B00000-0x0000000070B4C000-memory.dmp

      Filesize

      304KB

    • memory/4084-133-0x00000000058E0000-0x0000000005C37000-memory.dmp

      Filesize

      3.3MB

    • memory/4084-137-0x0000000070D70000-0x00000000710C7000-memory.dmp

      Filesize

      3.3MB

    • memory/4260-169-0x0000000007E80000-0x0000000007E91000-memory.dmp

      Filesize

      68KB

    • memory/4260-170-0x00000000066F0000-0x0000000006705000-memory.dmp

      Filesize

      84KB

    • memory/4260-158-0x0000000070A20000-0x0000000070A6C000-memory.dmp

      Filesize

      304KB

    • memory/4260-168-0x0000000007B70000-0x0000000007C14000-memory.dmp

      Filesize

      656KB

    • memory/4260-159-0x0000000070BC0000-0x0000000070F17000-memory.dmp

      Filesize

      3.3MB

    • memory/4260-157-0x0000000006D50000-0x0000000006D9C000-memory.dmp

      Filesize

      304KB

    • memory/4260-155-0x0000000006360000-0x00000000066B7000-memory.dmp

      Filesize

      3.3MB

    • memory/4968-77-0x0000000007EA0000-0x0000000007EB5000-memory.dmp

      Filesize

      84KB

    • memory/4968-76-0x0000000007E50000-0x0000000007E61000-memory.dmp

      Filesize

      68KB

    • memory/4968-72-0x0000000007B00000-0x0000000007BA4000-memory.dmp

      Filesize

      656KB

    • memory/4968-63-0x0000000070D50000-0x00000000710A7000-memory.dmp

      Filesize

      3.3MB

    • memory/4968-62-0x0000000070B00000-0x0000000070B4C000-memory.dmp

      Filesize

      304KB

    • memory/4968-53-0x0000000006420000-0x0000000006777000-memory.dmp

      Filesize

      3.3MB