Analysis

  • max time kernel
    20s
  • max time network
    147s
  • 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 18:07

General

  • Target

    2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d.exe

  • Size

    4.1MB

  • MD5

    2857e50137503a7117efc900610030d7

  • SHA1

    417cf8908a83aedb95c5c2638772c2d7ce3f9f57

  • SHA256

    2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d

  • SHA512

    1098f7d417d0a429de4e9b31d4845efecca48826d6713954daf79473c9652ae058111e3bab2b47f13bfeca0678b0c8944f117ed110650c7300e03305bf8fb344

  • SSDEEP

    98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gk:QC1IraEjIw04m/Xfo4a5yka2Q+gk

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
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 2 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.

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d.exe
    "C:\Users\Admin\AppData\Local\Temp\2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4408
    • 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:2860
    • C:\Users\Admin\AppData\Local\Temp\2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d.exe
      "C:\Users\Admin\AppData\Local\Temp\2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d.exe"
      2⤵
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:776
      • 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:992
      • 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:1976
        • 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:244
      • 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:1652
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        PID:2416
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
          PID:3512
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:3480
          • 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:1804
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /delete /tn ScheduledUpdate /f
            4⤵
              PID:4400
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:2180
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              powershell -nologo -noprofile
              4⤵
              • Command and Scripting Interpreter: PowerShell
              PID:4856
            • 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:4824
              • 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:1824
              • C:\Windows\windefender.exe
                "C:\Windows\windefender.exe"
                4⤵
                  PID:3484
                  • 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:4208
                      • 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:1020
            • C:\Windows\windefender.exe
              C:\Windows\windefender.exe
              1⤵
                PID:3432

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yqkbx4mr.fu2.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

                025e73695cd04813d9f8376ade986558

                SHA1

                887b8578b43b7610e009f3793c0a71bbdaae8861

                SHA256

                951f8fa9b8d6db0466c213d0330c9ccab91cd3c7ecf14f0fd3934dcf233447b4

                SHA512

                ba98f6e8fecc61dd9a57193185cdb88d17e7e95b077112dd3b28cbe736b7fdb180b7a8fa33e843f52c55febacc2888bd01cb134b93d24fbda9dc3b78e928dd0a

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

                Filesize

                19KB

                MD5

                9a61ad6aa55bada6f425a24133481f56

                SHA1

                e8ac95791313be2148aa5037da1572ea77396ee0

                SHA256

                a69438d42f5ca981d2ced364d6bdd69cc75b52cd887c30d368ee1c7b8d7596f5

                SHA512

                d061423805c70df329f076cc8db98ad1eddbe7cccc44da3426a627d7cb62ee9d50ff834cf635d3f2fb7dcb8ec540189faa30f5635402b8eead2a46af539744f2

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

                Filesize

                19KB

                MD5

                9e2d22937cb3d9d20144142c3d39d7d1

                SHA1

                45c3b6d83c8251ab6ff8914cab3a5d425d676cd3

                SHA256

                94a1329c20fd884a999bcf04caf0019face676dc8fcb92681b007cd4b846381e

                SHA512

                45e9ce848c7ae3c9fa4078ae5260289ff29810cf98ed422e4ed63a3dbd6f49216719024bd87a02daf28b113fb030208f39218a9f9b1c6f59450e6de1f792beb4

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

                Filesize

                19KB

                MD5

                924f19c32d65a289860110ce7f30ef6c

                SHA1

                57cc89e4ac060a8f0dca1039c856d52551901e4f

                SHA256

                3d38d7c2cf4c42a86ec9ddcbccc88eec32bad3660d3afee4880d2a623630cdc8

                SHA512

                91ba09ce03423e24b7e0773f7af1d9a10d64fa3b64e4964f3f49552df574dedd06ca71cd11988b7e9b85f5e3f1bc3f2e0ed9fabdc06c636c975b312f5f0cb143

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

                Filesize

                19KB

                MD5

                7cfacc244a537dbd2711b97bfa5d2679

                SHA1

                1004fa6f642aca3eba91b47f0cc5feee0b211dc1

                SHA256

                45dc6303ab4fb74ac1f10f88359f0a80bd6586ea48919b235a50c26336f6dd66

                SHA512

                666cec86bc6ef6aa6c8315861089fe1026488a3e50ad69356b0e04950083f6a565c573b7953d3009af7a6038ec35204b1af484b31fa8bc271029dfebfaac46e3

              • C:\Windows\rss\csrss.exe

                Filesize

                4.1MB

                MD5

                2857e50137503a7117efc900610030d7

                SHA1

                417cf8908a83aedb95c5c2638772c2d7ce3f9f57

                SHA256

                2fa264b5826d41d8c3e8d7dfc16b8e09b80eae097fd55b8ffb2e9dc85926037d

                SHA512

                1098f7d417d0a429de4e9b31d4845efecca48826d6713954daf79473c9652ae058111e3bab2b47f13bfeca0678b0c8944f117ed110650c7300e03305bf8fb344

              • C:\Windows\windefender.exe

                Filesize

                2.0MB

                MD5

                8e67f58837092385dcf01e8a2b4f5783

                SHA1

                012c49cfd8c5d06795a6f67ea2baf2a082cf8625

                SHA256

                166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

                SHA512

                40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

              • memory/776-111-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/776-128-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/992-64-0x00000000704C0000-0x0000000070817000-memory.dmp

                Filesize

                3.3MB

              • memory/992-73-0x0000000006C50000-0x0000000006CF4000-memory.dmp

                Filesize

                656KB

              • memory/992-75-0x0000000006FC0000-0x0000000006FD5000-memory.dmp

                Filesize

                84KB

              • memory/992-74-0x0000000006F70000-0x0000000006F81000-memory.dmp

                Filesize

                68KB

              • memory/992-63-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/1652-90-0x00000000704E0000-0x0000000070837000-memory.dmp

                Filesize

                3.3MB

              • memory/1652-89-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/1652-87-0x0000000005980000-0x0000000005CD7000-memory.dmp

                Filesize

                3.3MB

              • memory/2180-151-0x0000000005B50000-0x0000000005EA7000-memory.dmp

                Filesize

                3.3MB

              • memory/2180-161-0x0000000006170000-0x00000000061BC000-memory.dmp

                Filesize

                304KB

              • memory/2180-163-0x00000000704B0000-0x0000000070807000-memory.dmp

                Filesize

                3.3MB

              • memory/2180-172-0x0000000007370000-0x0000000007414000-memory.dmp

                Filesize

                656KB

              • memory/2180-162-0x0000000070260000-0x00000000702AC000-memory.dmp

                Filesize

                304KB

              • memory/2180-173-0x00000000076D0000-0x00000000076E1000-memory.dmp

                Filesize

                68KB

              • memory/2180-174-0x0000000005F20000-0x0000000005F35000-memory.dmp

                Filesize

                84KB

              • memory/2416-114-0x00000000705B0000-0x0000000070907000-memory.dmp

                Filesize

                3.3MB

              • memory/2416-113-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/2416-100-0x0000000005850000-0x0000000005BA7000-memory.dmp

                Filesize

                3.3MB

              • memory/2860-40-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

                Filesize

                104KB

              • memory/2860-11-0x0000000006420000-0x0000000006486000-memory.dmp

                Filesize

                408KB

              • memory/2860-50-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2860-4-0x00000000740DE000-0x00000000740DF000-memory.dmp

                Filesize

                4KB

              • memory/2860-5-0x0000000003460000-0x0000000003496000-memory.dmp

                Filesize

                216KB

              • memory/2860-7-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2860-45-0x0000000007FB0000-0x0000000007FC5000-memory.dmp

                Filesize

                84KB

              • memory/2860-46-0x0000000008000000-0x000000000801A000-memory.dmp

                Filesize

                104KB

              • memory/2860-44-0x0000000007FA0000-0x0000000007FAE000-memory.dmp

                Filesize

                56KB

              • memory/2860-43-0x0000000007F50000-0x0000000007F61000-memory.dmp

                Filesize

                68KB

              • memory/2860-42-0x0000000008040000-0x00000000080D6000-memory.dmp

                Filesize

                600KB

              • memory/2860-41-0x0000000007F30000-0x0000000007F3A000-memory.dmp

                Filesize

                40KB

              • memory/2860-24-0x0000000007D40000-0x0000000007D74000-memory.dmp

                Filesize

                208KB

              • memory/2860-39-0x0000000008530000-0x0000000008BAA000-memory.dmp

                Filesize

                6.5MB

              • memory/2860-8-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2860-26-0x00000000704C0000-0x0000000070817000-memory.dmp

                Filesize

                3.3MB

              • memory/2860-38-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2860-37-0x00000000740D0000-0x0000000074881000-memory.dmp

                Filesize

                7.7MB

              • memory/2860-9-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

                Filesize

                136KB

              • memory/2860-36-0x0000000007DC0000-0x0000000007E64000-memory.dmp

                Filesize

                656KB

              • memory/2860-35-0x0000000007DA0000-0x0000000007DBE000-memory.dmp

                Filesize

                120KB

              • memory/2860-25-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/2860-23-0x0000000006EF0000-0x0000000006F36000-memory.dmp

                Filesize

                280KB

              • memory/2860-22-0x0000000006A80000-0x0000000006ACC000-memory.dmp

                Filesize

                304KB

              • memory/2860-21-0x0000000006930000-0x000000000694E000-memory.dmp

                Filesize

                120KB

              • memory/2860-6-0x0000000005BA0000-0x00000000061CA000-memory.dmp

                Filesize

                6.2MB

              • memory/2860-47-0x0000000008020000-0x0000000008028000-memory.dmp

                Filesize

                32KB

              • memory/2860-10-0x0000000006340000-0x00000000063A6000-memory.dmp

                Filesize

                408KB

              • memory/2860-20-0x0000000006490000-0x00000000067E7000-memory.dmp

                Filesize

                3.3MB

              • memory/3432-222-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3432-211-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3432-216-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3480-140-0x00000000704C0000-0x0000000070817000-memory.dmp

                Filesize

                3.3MB

              • memory/3480-139-0x0000000070340000-0x000000007038C000-memory.dmp

                Filesize

                304KB

              • memory/3484-209-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3484-213-0x0000000000400000-0x00000000008DF000-memory.dmp

                Filesize

                4.9MB

              • memory/3512-227-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-230-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-218-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-196-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-233-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-204-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-224-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-236-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-239-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-221-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-215-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/3512-242-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/4408-54-0x0000000004D10000-0x00000000055FB000-memory.dmp

                Filesize

                8.9MB

              • memory/4408-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/4408-112-0x0000000000400000-0x0000000000D1C000-memory.dmp

                Filesize

                9.1MB

              • memory/4408-2-0x0000000004D10000-0x00000000055FB000-memory.dmp

                Filesize

                8.9MB

              • memory/4408-52-0x0000000000400000-0x0000000002B0B000-memory.dmp

                Filesize

                39.0MB

              • memory/4408-53-0x0000000004900000-0x0000000004D01000-memory.dmp

                Filesize

                4.0MB

              • memory/4408-1-0x0000000004900000-0x0000000004D01000-memory.dmp

                Filesize

                4.0MB

              • memory/4856-187-0x0000000070490000-0x00000000707E7000-memory.dmp

                Filesize

                3.3MB

              • memory/4856-186-0x0000000070260000-0x00000000702AC000-memory.dmp

                Filesize

                304KB

              • memory/4856-184-0x0000000005AE0000-0x0000000005E37000-memory.dmp

                Filesize

                3.3MB