Analysis

  • max time kernel
    43s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-05-2024 15:32

General

  • Target

    54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe

  • Size

    4.1MB

  • MD5

    08b4fc6b28dd2a507ede95d737479649

  • SHA1

    1860df206c2ca5685fca2fdbdc33bd21eee08d55

  • SHA256

    54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75

  • SHA512

    245e08e72662958b48bd13f1a3a8ec1b1547a40575c8737cbe542355bd5d8266630e6400ebaf973f069c8c4b8245e3a0131c8564bd0d5379de88eccf4475e5a0

  • SSDEEP

    98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNo:E4G/GRAB9MdaGBolx/WzuK

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 17 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe
    "C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1728
    • 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:4948
    • C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.exe
      "C:\Users\Admin\AppData\Local\Temp\54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75.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:2188
      • 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:2784
      • 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:5008
        • 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:1464
      • 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:3284
      • 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:4032
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:124
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3108
        • 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:3084
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2420
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:4944
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:1760
          • 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:2476
            • 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:2948
            • C:\Windows\windefender.exe
              "C:\Windows\windefender.exe"
              4⤵
                PID:2080
                • 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:3948
                    • 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:1984
          • C:\Windows\windefender.exe
            C:\Windows\windefender.exe
            1⤵
              PID:1620

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wj2arusa.s2v.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

              ae61785c2475e595d0ca630bcb8fbccd

              SHA1

              cbb23ce1404e3892bab46591bb2e89fb1587d96c

              SHA256

              b39f75db9b89dde8a44b17d3f1b6771a354223d54a5abeac7b247c0b6ca09e40

              SHA512

              c4c7bac4e4c3f51b9edee4d84cae0e4192680fe3f83bf08d229dfab5a0bf30285168cc18ededbf230d779ee5e2f2ec015372bb149456e8d9897286a675fc2335

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

              Filesize

              19KB

              MD5

              9a40b598ead92c27bf4c6770359757b9

              SHA1

              d9cc6cf22a1c745db1552f1c2da5cc90ed056fbd

              SHA256

              6c94ffff555d4bba2554c65f5c12323d6b03dff02be8837d78e4252c79d930dc

              SHA512

              599af87e810cbe0d71d73d76ac8dd1c744f439325d3ca6597515729f6b04b6e3949e4a3dd836109d1fe1ccae3cb8b3c647dc9824a959abf734b752af621b4e39

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

              Filesize

              19KB

              MD5

              4c5b82fa05ffe78b865c2afad04c0c84

              SHA1

              65bd23aaa018fc88e44a95bbb0af3cac985f8b70

              SHA256

              567bd85842839d5e74844fdbf0a70e6996881c2a91debbe674344a19eb268159

              SHA512

              0024dcea84860b2436002f0f7fede8ff0c41d1c3ab5d73070b21e8662dca164115a634c73370a36c674c7c3c11c5cd27931c4f28204691faeddcd08bea4f9168

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

              Filesize

              19KB

              MD5

              0c2016be2574edde90d82c97996128a3

              SHA1

              eb816b29a32dd31bd65e53aee51df6eb3760b124

              SHA256

              3579865ac9c90f9da08540f518b58618b65691a0f82656b26eeac6a3ed40767a

              SHA512

              b9a3e1361a1f19599899ee59364f539ce1dcb71aedfefb8971970f0c6bba760d0179472b42db4ca4ffe40191f9a2a2555365a9f79c6414e82847c02c53af7de6

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

              Filesize

              19KB

              MD5

              7cbaabdca169ac3448ba507d2700b58e

              SHA1

              348cf9e63ae88487c64e86afea4f28909fab6d56

              SHA256

              4fa31fa5982855aa2cfa9cff5784604010f71be30cae7dfd0ea34550d0e19bc6

              SHA512

              1b27c186833a95308d2a3ecb89fa49d4820d4c03c25a8ce18fe8ab968a8b5e26a1b83dd87c0c58e2d4cb0acc910c25584debff388bb59a059bd36d869a4ecf4f

            • C:\Windows\rss\csrss.exe

              Filesize

              4.1MB

              MD5

              08b4fc6b28dd2a507ede95d737479649

              SHA1

              1860df206c2ca5685fca2fdbdc33bd21eee08d55

              SHA256

              54016ea17f5b1fd35921a4ec9375442c8748ab36e1fd5eecf3858fd1cf9e1e75

              SHA512

              245e08e72662958b48bd13f1a3a8ec1b1547a40575c8737cbe542355bd5d8266630e6400ebaf973f069c8c4b8245e3a0131c8564bd0d5379de88eccf4475e5a0

            • C:\Windows\windefender.exe

              Filesize

              2.0MB

              MD5

              8e67f58837092385dcf01e8a2b4f5783

              SHA1

              012c49cfd8c5d06795a6f67ea2baf2a082cf8625

              SHA256

              166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

              SHA512

              40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

            • memory/124-217-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-229-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-237-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-214-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-241-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-245-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-234-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-203-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-225-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/124-221-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/1620-218-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/1620-211-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/1620-226-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/1728-55-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/1728-56-0x0000000000400000-0x0000000000D1C000-memory.dmp

              Filesize

              9.1MB

            • memory/1728-53-0x0000000004930000-0x0000000004D38000-memory.dmp

              Filesize

              4.0MB

            • memory/1728-1-0x0000000004930000-0x0000000004D38000-memory.dmp

              Filesize

              4.0MB

            • memory/1728-24-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/1728-2-0x0000000004D40000-0x000000000562B000-memory.dmp

              Filesize

              8.9MB

            • memory/1728-54-0x0000000004D40000-0x000000000562B000-memory.dmp

              Filesize

              8.9MB

            • memory/1728-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

              Filesize

              9.1MB

            • memory/1760-186-0x00000000701A0000-0x00000000701EC000-memory.dmp

              Filesize

              304KB

            • memory/1760-184-0x00000000059A0000-0x0000000005CF7000-memory.dmp

              Filesize

              3.3MB

            • memory/1760-187-0x0000000070320000-0x0000000070677000-memory.dmp

              Filesize

              3.3MB

            • memory/2080-209-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/2080-212-0x0000000000400000-0x00000000008DF000-memory.dmp

              Filesize

              4.9MB

            • memory/2188-128-0x0000000000400000-0x0000000002B0B000-memory.dmp

              Filesize

              39.0MB

            • memory/2784-57-0x0000000005BE0000-0x0000000005F37000-memory.dmp

              Filesize

              3.3MB

            • memory/2784-66-0x0000000070280000-0x00000000702CC000-memory.dmp

              Filesize

              304KB

            • memory/2784-76-0x0000000007350000-0x00000000073F4000-memory.dmp

              Filesize

              656KB

            • memory/2784-67-0x00000000704D0000-0x0000000070827000-memory.dmp

              Filesize

              3.3MB

            • memory/2784-77-0x00000000076A0000-0x00000000076B1000-memory.dmp

              Filesize

              68KB

            • memory/2784-78-0x00000000076F0000-0x0000000007705000-memory.dmp

              Filesize

              84KB

            • memory/3108-139-0x0000000070280000-0x00000000702CC000-memory.dmp

              Filesize

              304KB

            • memory/3108-140-0x00000000704D0000-0x0000000070827000-memory.dmp

              Filesize

              3.3MB

            • memory/3284-91-0x0000000070280000-0x00000000702CC000-memory.dmp

              Filesize

              304KB

            • memory/3284-92-0x00000000704D0000-0x0000000070827000-memory.dmp

              Filesize

              3.3MB

            • memory/4032-111-0x0000000070280000-0x00000000702CC000-memory.dmp

              Filesize

              304KB

            • memory/4032-112-0x00000000704D0000-0x0000000070827000-memory.dmp

              Filesize

              3.3MB

            • memory/4944-173-0x00000000070C0000-0x00000000070D1000-memory.dmp

              Filesize

              68KB

            • memory/4944-159-0x0000000005680000-0x00000000059D7000-memory.dmp

              Filesize

              3.3MB

            • memory/4944-174-0x0000000004F20000-0x0000000004F35000-memory.dmp

              Filesize

              84KB

            • memory/4944-172-0x0000000006D90000-0x0000000006E34000-memory.dmp

              Filesize

              656KB

            • memory/4944-163-0x0000000070AE0000-0x0000000070E37000-memory.dmp

              Filesize

              3.3MB

            • memory/4944-162-0x00000000701A0000-0x00000000701EC000-memory.dmp

              Filesize

              304KB

            • memory/4944-161-0x0000000005B40000-0x0000000005B8C000-memory.dmp

              Filesize

              304KB

            • memory/4948-40-0x0000000007820000-0x0000000007E9A000-memory.dmp

              Filesize

              6.5MB

            • memory/4948-38-0x0000000074010000-0x00000000747C1000-memory.dmp

              Filesize

              7.7MB

            • memory/4948-25-0x0000000007060000-0x0000000007094000-memory.dmp

              Filesize

              208KB

            • memory/4948-45-0x0000000007290000-0x000000000729E000-memory.dmp

              Filesize

              56KB

            • memory/4948-46-0x00000000072A0000-0x00000000072B5000-memory.dmp

              Filesize

              84KB

            • memory/4948-47-0x00000000072F0000-0x000000000730A000-memory.dmp

              Filesize

              104KB

            • memory/4948-43-0x0000000007330000-0x00000000073C6000-memory.dmp

              Filesize

              600KB

            • memory/4948-48-0x0000000007310000-0x0000000007318000-memory.dmp

              Filesize

              32KB

            • memory/4948-27-0x0000000070400000-0x0000000070757000-memory.dmp

              Filesize

              3.3MB

            • memory/4948-36-0x00000000070A0000-0x00000000070BE000-memory.dmp

              Filesize

              120KB

            • memory/4948-51-0x0000000074010000-0x00000000747C1000-memory.dmp

              Filesize

              7.7MB

            • memory/4948-42-0x0000000007220000-0x000000000722A000-memory.dmp

              Filesize

              40KB

            • memory/4948-41-0x00000000071E0000-0x00000000071FA000-memory.dmp

              Filesize

              104KB

            • memory/4948-39-0x0000000074010000-0x00000000747C1000-memory.dmp

              Filesize

              7.7MB

            • memory/4948-37-0x00000000070C0000-0x0000000007164000-memory.dmp

              Filesize

              656KB

            • memory/4948-44-0x0000000007240000-0x0000000007251000-memory.dmp

              Filesize

              68KB

            • memory/4948-26-0x0000000070280000-0x00000000702CC000-memory.dmp

              Filesize

              304KB

            • memory/4948-23-0x00000000061E0000-0x0000000006226000-memory.dmp

              Filesize

              280KB

            • memory/4948-22-0x0000000005C60000-0x0000000005CAC000-memory.dmp

              Filesize

              304KB

            • memory/4948-21-0x0000000005C40000-0x0000000005C5E000-memory.dmp

              Filesize

              120KB

            • memory/4948-20-0x0000000005860000-0x0000000005BB7000-memory.dmp

              Filesize

              3.3MB

            • memory/4948-10-0x0000000005620000-0x0000000005686000-memory.dmp

              Filesize

              408KB

            • memory/4948-11-0x0000000005740000-0x00000000057A6000-memory.dmp

              Filesize

              408KB

            • memory/4948-9-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

              Filesize

              136KB

            • memory/4948-6-0x0000000074010000-0x00000000747C1000-memory.dmp

              Filesize

              7.7MB

            • memory/4948-8-0x0000000074010000-0x00000000747C1000-memory.dmp

              Filesize

              7.7MB

            • memory/4948-7-0x0000000004EB0000-0x00000000054DA000-memory.dmp

              Filesize

              6.2MB

            • memory/4948-5-0x0000000002420000-0x0000000002456000-memory.dmp

              Filesize

              216KB

            • memory/4948-4-0x000000007401E000-0x000000007401F000-memory.dmp

              Filesize

              4KB