Analysis

  • max time kernel
    24s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 00:52

Errors

Reason
Machine shutdown

General

  • Target

    BLTools V2.0.0.exe

  • Size

    7.4MB

  • MD5

    1a8902cd60c38c8e2f0e752d45627dd9

  • SHA1

    3e5767b0243ff466ba6db2974e4a87a295419cd4

  • SHA256

    5c5f543002e61369b783a15a504231dc794359c41c0054655f04a3596e6124d8

  • SHA512

    0951af3fe1c76e3b34b39a9f9b6d419896dfcb14f004646b769d8171cbe57aa2661d595dce35b9da31d9e509e190f00fa0e08c712ed422b98f0848cb11a64a45

  • SSDEEP

    196608:7dg6mgSSRoyMU48mrvL/m9jmAD8SQQ6DIxp:XayR48SviwUyDIxp

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • UAC bypass 3 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BLTools V2.0.0.exe
    "C:\Users\Admin\AppData\Local\Temp\BLTools V2.0.0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\ProgramData\z.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4728
      • C:\Windows\system32\chcp.com
        chcp.com 437
        3⤵
          PID:4828
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c type tmp
          3⤵
            PID:3684
          • C:\Windows\system32\find.exe
            find
            3⤵
              PID:3200
            • C:\Windows\system32\find.exe
              find
              3⤵
                PID:5096
              • C:\Windows\system32\findstr.exe
                findstr /L /I set "C:\ProgramData\z.bat"
                3⤵
                  PID:4212
                • C:\Windows\system32\findstr.exe
                  findstr /L /I goto "C:\ProgramData\z.bat"
                  3⤵
                    PID:2448
                  • C:\Windows\system32\findstr.exe
                    findstr /L /I echo "C:\ProgramData\z.bat"
                    3⤵
                      PID:1264
                    • C:\Windows\system32\findstr.exe
                      findstr /L /I pause "C:\ProgramData\z.bat"
                      3⤵
                        PID:5056
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c type tmp
                        3⤵
                          PID:4984
                        • C:\Windows\system32\cmd.exe
                          cmd.exe /c mshta "javascript:var sh=new ActiveXObject('WScript.Shell'); sh.Popup('The instruction at 0x00000000771034FB referenced memory at 0x00000000771034FB. The required data was not placed into memory because of an I/O error status of 0x0000428. Click on OK to terminate the program', 0, 'Application Error', 0+16);close()"
                          3⤵
                          • Suspicious use of WriteProcessMemory
                          PID:2428
                          • C:\Windows\system32\mshta.exe
                            mshta "javascript:var sh=new ActiveXObject('WScript.Shell'); sh.Popup('The instruction at 0x00000000771034FB referenced memory at 0x00000000771034FB. The required data was not placed into memory because of an I/O error status of 0x0000428. Click on OK to terminate the program', 0, 'Application Error', 0+16);close()"
                            4⤵
                              PID:4440
                          • C:\Windows\system32\cmd.exe
                            cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f
                            3⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4604
                            • C:\Windows\system32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f
                              4⤵
                              • UAC bypass
                              PID:3004
                        • C:\ProgramData\svchost.exe
                          "C:\ProgramData\svchost.exe"
                          2⤵
                          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                          • Checks BIOS information in registry
                          • Checks computer location settings
                          • Drops startup file
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Adds Run key to start application
                          • Checks whether UAC is enabled
                          • Suspicious use of NtSetInformationThreadHideFromDebugger
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of SetWindowsHookEx
                          • Suspicious use of WriteProcessMemory
                          PID:3648
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:916
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2216
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:244
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of AdjustPrivilegeToken
                            PID:636

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\ProgramData\svchost.exe

                        Filesize

                        7.0MB

                        MD5

                        a0079957ed4f0fd54efedbbefd68acc9

                        SHA1

                        fc431b4b57cbfe3904a94b1109fe071c70ae8c1d

                        SHA256

                        da024be4bca9495f0d6f960db46a429a4350d9395af9379323dea376f3296830

                        SHA512

                        896cc7f3b80f1366c5b324cc9ed991eed323b8fa50a0f24d4a672e93e142fbc0bb27f9496858b1daab44c67c6d5a3184bb38353467c7c5111cecbbfb6876dedd

                      • C:\ProgramData\tmp

                        Filesize

                        14B

                        MD5

                        ce585c6ba32ac17652d2345118536f9c

                        SHA1

                        be0e41b3690c42e4c0cdb53d53fc544fb46b758d

                        SHA256

                        589c942e748ea16dc86923c4391092707ce22315eb01cb85b0988c6762aa0ed3

                        SHA512

                        d397eda475d6853ce5cc28887690ddd5f8891be43767cdb666396580687f901fb6f0cc572afa18bde1468a77e8397812009c954f386c8f69cc0678e1253d5752

                      • C:\ProgramData\z.bat

                        Filesize

                        20KB

                        MD5

                        77946ef866ba3e46fb161bc52214c616

                        SHA1

                        20a53a00be7f4c76e3a1b02eb82675f7b8e77a0c

                        SHA256

                        0562794443d5322e9271dbdce3af9b3ba5e14e831077796552f0d507e836c48f

                        SHA512

                        b5671ee7de190613ff6095b564283c5b689008c79eab91ab39d95241dfed797ca61ee196bebbac4d481e5c0e4330bc6de40d7486f4d7eb8e0fcb01a734e1cbdb

                      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                        Filesize

                        2KB

                        MD5

                        d85ba6ff808d9e5444a4b369f5bc2730

                        SHA1

                        31aa9d96590fff6981b315e0b391b575e4c0804a

                        SHA256

                        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

                        SHA512

                        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                        Filesize

                        944B

                        MD5

                        2979eabc783eaca50de7be23dd4eafcf

                        SHA1

                        d709ce5f3a06b7958a67e20870bfd95b83cad2ea

                        SHA256

                        006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

                        SHA512

                        92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                        Filesize

                        944B

                        MD5

                        e60eb305a7b2d9907488068b7065abd3

                        SHA1

                        1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

                        SHA256

                        ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

                        SHA512

                        95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                        Filesize

                        944B

                        MD5

                        67e8893616f805af2411e2f4a1411b2a

                        SHA1

                        39bf1e1a0ddf46ce7c136972120f512d92827dcd

                        SHA256

                        ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

                        SHA512

                        164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

                      • C:\Users\Admin\AppData\Local\Temp\090696db-b33c-464d-914f-162d19381fdb\AgileDotNetRT64.dll

                        Filesize

                        4.2MB

                        MD5

                        05b012457488a95a05d0541e0470d392

                        SHA1

                        74f541d6a8365508c794ef7b4ac7c297457f9ce3

                        SHA256

                        1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d

                        SHA512

                        6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

                      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w1e2hrce.afo.ps1

                        Filesize

                        60B

                        MD5

                        d17fe0a3f47be24a6453e9ef58c94641

                        SHA1

                        6ab83620379fc69f80c0242105ddffd7d98d5d9d

                        SHA256

                        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                        SHA512

                        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                      • memory/244-84-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/244-80-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/244-81-0x000001BB1DD00000-0x000001BB1DD10000-memory.dmp

                        Filesize

                        64KB

                      • memory/244-82-0x000001BB1DD00000-0x000001BB1DD10000-memory.dmp

                        Filesize

                        64KB

                      • memory/636-85-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/636-86-0x000002951DEF0000-0x000002951DF00000-memory.dmp

                        Filesize

                        64KB

                      • memory/636-87-0x000002951DEF0000-0x000002951DF00000-memory.dmp

                        Filesize

                        64KB

                      • memory/636-99-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/916-37-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/916-52-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/916-49-0x000002A849100000-0x000002A849122000-memory.dmp

                        Filesize

                        136KB

                      • memory/916-39-0x000002A861670000-0x000002A861680000-memory.dmp

                        Filesize

                        64KB

                      • memory/916-38-0x000002A861670000-0x000002A861680000-memory.dmp

                        Filesize

                        64KB

                      • memory/2216-55-0x00000249C7410000-0x00000249C7420000-memory.dmp

                        Filesize

                        64KB

                      • memory/2216-69-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/2216-67-0x00000249C7410000-0x00000249C7420000-memory.dmp

                        Filesize

                        64KB

                      • memory/2216-56-0x00000249C7410000-0x00000249C7420000-memory.dmp

                        Filesize

                        64KB

                      • memory/2216-54-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3648-36-0x00007FFF4B560000-0x00007FFF4B6AE000-memory.dmp

                        Filesize

                        1.3MB

                      • memory/3648-32-0x00007FFF45A90000-0x00007FFF46614000-memory.dmp

                        Filesize

                        11.5MB

                      • memory/3648-26-0x00007FFF68CB0000-0x00007FFF68EA5000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/3648-25-0x00007FFF45A90000-0x00007FFF46614000-memory.dmp

                        Filesize

                        11.5MB

                      • memory/3648-18-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3648-16-0x00000000001D0000-0x00000000008D6000-memory.dmp

                        Filesize

                        7.0MB

                      • memory/3648-104-0x00007FFF45A90000-0x00007FFF46614000-memory.dmp

                        Filesize

                        11.5MB

                      • memory/3648-105-0x00007FFF4AA30000-0x00007FFF4B4F1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3648-106-0x00007FFF45A90000-0x00007FFF46614000-memory.dmp

                        Filesize

                        11.5MB

                      • memory/3648-107-0x00007FFF68CB0000-0x00007FFF68EA5000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/3648-108-0x00007FFF45A90000-0x00007FFF46614000-memory.dmp

                        Filesize

                        11.5MB

                      • memory/3648-109-0x000000001DB50000-0x000000001DB5E000-memory.dmp

                        Filesize

                        56KB