Analysis

  • max time kernel
    6s
  • max time network
    152s
  • 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, 01:58

General

  • Target
    f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe
  • Size 4.1MB
  • Sample240519-cdz18acg69
  • SHA256 f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 12 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe
    "C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4836
    • 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:1552
    • C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe
      "C:\Users\Admin\AppData\Local\Temp\f1c66bab5a5e3ea1ecd65fc69dc45c45d7461538c3091e0a787c80a00a570ffb.exe"
      2⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:444
      • 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:4768
      • 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⤵
          PID:3476
          • 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:2144
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          3⤵
          • Command and Scripting Interpreter: PowerShell
          PID:5040
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          3⤵
          • Command and Scripting Interpreter: PowerShell
          PID:3588
        • C:\Windows\rss\csrss.exe
          C:\Windows\rss\csrss.exe
          3⤵
            PID:4056
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:4400
            • 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:3356
            • C:\Windows\SYSTEM32\schtasks.exe
              schtasks /delete /tn ScheduledUpdate /f
              4⤵
                PID:1764
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell -nologo -noprofile
                4⤵
                • Command and Scripting Interpreter: PowerShell
                PID:576
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                powershell -nologo -noprofile
                4⤵
                • Command and Scripting Interpreter: PowerShell
                PID:2028
              • 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:2376
                • 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:4900
                • C:\Windows\windefender.exe
                  "C:\Windows\windefender.exe"
                  4⤵
                    PID:4992
                    • 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:2816
                        • 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:1036
              • C:\Windows\windefender.exe
                C:\Windows\windefender.exe
                1⤵
                  PID:3924

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      __PSScriptPolicyTest_s4w5pvdi.mfi.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s4w5pvdi.mfi.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512

                      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 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
                      • MD5 SHA1 SHA512

                      StartupProfileData-Interactive

                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                      • Size 19KB
                      • SHA256 0dcda9eebb5cf83bded9a739e52644be6d1ad1d8608c97aaa9c99e9b256ed0c6
                      • MD5 SHA1 SHA512 SSDEEP

                      StartupProfileData-Interactive

                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                      • Size 19KB
                      • SHA256 0ab0d39c7c074e9fc03f321dd098f6b1b22f6ccc246ed25d506c5187da91681e
                      • MD5 SHA1 SHA512 SSDEEP

                      StartupProfileData-Interactive

                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                      • Size 19KB
                      • SHA256 3e2bac4a2df06d089c26fab7cade4f97feffad80dda6d6c7b014e88cdd353e2c
                      • MD5 SHA1 SHA512 SSDEEP

                      StartupProfileData-Interactive

                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                      • Size 19KB
                      • SHA256 ebbb8d7fe10fd1fc803e4f2c9932e39e00ff3f17ffe2291f329521b3d314b93f
                      • MD5 SHA1 SHA512 SSDEEP

                      StartupProfileData-Interactive

                      • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                      • Size 19KB
                      • SHA256 62e83a456e6a0dfd00bc257cb50fa8cc8b40af033a0cdfe0c903340d3cdaf77d
                      • MD5 SHA1 SHA512 SSDEEP

                      csrss.exe

                      • Path C:\Windows\rss\csrss.exe
                      • Size 3.6MB
                      • SHA256 5d593abb95bfd703cf43ea5a952bc9e183e2863a1a3bf038010ecbee3405314d
                      • MD5 SHA1 SHA512 SSDEEP

                      windefender.exe

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

                      memory/444-193-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/576-170-0x0000000005FA0000-0x0000000005FB5000-memory.dmp

                      memory/576-155-0x0000000006020000-0x0000000006377000-memory.dmp

                      memory/576-157-0x0000000006570000-0x00000000065BC000-memory.dmp

                      memory/576-168-0x0000000007750000-0x00000000077F4000-memory.dmp

                      memory/576-159-0x0000000070C00000-0x0000000070F57000-memory.dmp

                      memory/576-158-0x0000000070A60000-0x0000000070AAC000-memory.dmp

                      memory/576-169-0x0000000007AA0000-0x0000000007AB1000-memory.dmp

                      memory/1552-27-0x0000000070D50000-0x00000000710A7000-memory.dmp

                      memory/1552-10-0x0000000005AC0000-0x0000000005B26000-memory.dmp

                      memory/1552-11-0x0000000005B30000-0x0000000005B96000-memory.dmp

                      memory/1552-26-0x00000000748D0000-0x0000000075081000-memory.dmp

                      memory/1552-40-0x0000000007DA0000-0x0000000007DBA000-memory.dmp

                      memory/1552-41-0x0000000007DE0000-0x0000000007DEA000-memory.dmp

                      memory/1552-39-0x00000000083E0000-0x0000000008A5A000-memory.dmp

                      memory/1552-25-0x0000000070B40000-0x0000000070B8C000-memory.dmp

                      memory/1552-42-0x0000000007EF0000-0x0000000007F86000-memory.dmp

                      memory/1552-43-0x0000000007E00000-0x0000000007E11000-memory.dmp

                      memory/1552-44-0x0000000007E50000-0x0000000007E5E000-memory.dmp

                      memory/1552-45-0x0000000007E60000-0x0000000007E75000-memory.dmp

                      memory/1552-46-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

                      memory/1552-47-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

                      memory/1552-50-0x00000000748D0000-0x0000000075081000-memory.dmp

                      memory/1552-38-0x00000000748D0000-0x0000000075081000-memory.dmp

                      memory/1552-9-0x00000000748D0000-0x0000000075081000-memory.dmp

                      memory/1552-37-0x0000000007C70000-0x0000000007D14000-memory.dmp

                      memory/1552-36-0x0000000007C50000-0x0000000007C6E000-memory.dmp

                      memory/1552-24-0x0000000007C10000-0x0000000007C44000-memory.dmp

                      memory/1552-23-0x0000000006D60000-0x0000000006DA6000-memory.dmp

                      memory/1552-8-0x0000000005920000-0x0000000005942000-memory.dmp

                      memory/1552-7-0x00000000748D0000-0x0000000075081000-memory.dmp

                      memory/1552-22-0x0000000006820000-0x000000000686C000-memory.dmp

                      memory/1552-21-0x00000000067E0000-0x00000000067FE000-memory.dmp

                      memory/1552-6-0x0000000005BC0000-0x00000000061EA000-memory.dmp

                      memory/1552-20-0x00000000062F0000-0x0000000006647000-memory.dmp

                      memory/1552-5-0x0000000003310000-0x0000000003346000-memory.dmp

                      memory/1552-4-0x00000000748DE000-0x00000000748DF000-memory.dmp

                      memory/2028-182-0x0000000070A60000-0x0000000070AAC000-memory.dmp

                      memory/2028-183-0x0000000070BE0000-0x0000000070F37000-memory.dmp

                      memory/2028-180-0x0000000005C80000-0x0000000005FD7000-memory.dmp

                      memory/3588-109-0x0000000070D90000-0x00000000710E7000-memory.dmp

                      memory/3588-108-0x0000000070B40000-0x0000000070B8C000-memory.dmp

                      memory/3588-106-0x0000000005C30000-0x0000000005F87000-memory.dmp

                      memory/3924-210-0x0000000000400000-0x00000000008DF000-memory.dmp

                      memory/3924-215-0x0000000000400000-0x00000000008DF000-memory.dmp

                      memory/3924-223-0x0000000000400000-0x00000000008DF000-memory.dmp

                      memory/4056-237-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-217-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-245-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-233-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-229-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-225-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-201-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-213-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-221-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-249-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-241-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-253-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4056-257-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4400-136-0x0000000070B40000-0x0000000070B8C000-memory.dmp

                      memory/4400-137-0x0000000070D50000-0x00000000710A7000-memory.dmp

                      memory/4768-60-0x00000000054A0000-0x00000000057F7000-memory.dmp

                      memory/4768-61-0x0000000070B40000-0x0000000070B8C000-memory.dmp

                      memory/4768-73-0x0000000006FC0000-0x0000000006FD5000-memory.dmp

                      memory/4768-72-0x0000000006F70000-0x0000000006F81000-memory.dmp

                      memory/4768-62-0x0000000071480000-0x00000000717D7000-memory.dmp

                      memory/4768-71-0x0000000006C40000-0x0000000006CE4000-memory.dmp

                      memory/4836-194-0x0000000000400000-0x0000000000D1C000-memory.dmp

                      memory/4836-1-0x0000000004100000-0x00000000044FB000-memory.dmp

                      memory/4836-2-0x0000000004500000-0x0000000004DEB000-memory.dmp

                      memory/4836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

                      memory/4836-124-0x0000000000400000-0x0000000002361000-memory.dmp

                      memory/4836-126-0x0000000004500000-0x0000000004DEB000-memory.dmp

                      memory/4836-125-0x0000000004100000-0x00000000044FB000-memory.dmp

                      memory/4992-207-0x0000000000400000-0x00000000008DF000-memory.dmp

                      memory/4992-211-0x0000000000400000-0x00000000008DF000-memory.dmp

                      memory/5040-85-0x0000000005FA0000-0x00000000062F7000-memory.dmp

                      memory/5040-88-0x0000000070CE0000-0x0000000071037000-memory.dmp

                      memory/5040-87-0x0000000070B40000-0x0000000070B8C000-memory.dmp