Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 08:27

General

  • Target

    32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430.exe

  • Size

    4.1MB

  • MD5

    66d70e5f88d34091c21978f0bf70930b

  • SHA1

    4f9ed440c66a6da03fadab9b90441fa7f014e331

  • SHA256

    32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430

  • SHA512

    3dd1eedbe61e3b63589cf82715e31149422c418a5cb9430f2dc3e3fa2392cc2863920854b492cc8be6ae545b63f59e3d0fdc5947857f81a9a87618576e237f9b

  • SSDEEP

    98304:YcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxMj:YcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsa

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
  • Executes dropped EXE 2 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 7 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
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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\32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430.exe
    "C:\Users\Admin\AppData\Local\Temp\32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • 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:2964
    • C:\Users\Admin\AppData\Local\Temp\32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430.exe
      "C:\Users\Admin\AppData\Local\Temp\32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430.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:904
      • 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:4528
      • 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:4444
        • 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:5080
      • 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:1384
      • 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:5104
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3168
        • 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:4208
        • 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:4844
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:572
          • 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:216
          • 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:5108
          • 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:4528
          • 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:4292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fvzjxj10.afj.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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      19KB

      MD5

      18a572cb45dcb5375fb7e99ad3121744

      SHA1

      594db4785d2f9d715822099a028800f4ee9d7fd6

      SHA256

      3db5e46cd7fed019c9d0b819d3f4af82b7b1de370c31d8910dbaa5ebd44f2b0d

      SHA512

      65e383195c52aacb43262d23a840788b2e6f5df8dfeab532ab50a93ef315c37f825104c9a41d98615eb0d5abcb0f74b8c0e96d58aaf0c8d45020c329e96b0cfb

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

      Filesize

      19KB

      MD5

      d31806904f08881c67bdc9f400e0d7ea

      SHA1

      8b35fe81a37a757d7e742db1a360dcb0ea5d431f

      SHA256

      022cf1c849adc771f36e6533584722c13e16d595da3727a8482535b35f0736d8

      SHA512

      d86404ab9e89f1782c2a95472dba7f9565d511d9e14aa34f8edeac48da1bdc4b28e98aaf5fe511c4d3736788b10bfb7eb0d6de543ea0752f99227352e0e6fcc3

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

      Filesize

      19KB

      MD5

      74648605ce2cd4fbf1deebcea31c3784

      SHA1

      b7e64465cdccb1f03f5147219ec8e0bed2932e78

      SHA256

      4339e492b0de9fd1ce43a387e1748a010ada7ad9bc9eaffde1a1796bcf0b15fb

      SHA512

      3bf8a43e42ff87161f71c4587128c09b0d4382e2eada466027ca1ee81416c6dc4e7b9c2c4ae690580b12dd532585ed7e2c354df6ba3cf5164dfea198916a2658

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

      Filesize

      19KB

      MD5

      aa5d3e26c2f589b8132b8b7b111803d8

      SHA1

      b3f47a898671395a0155dd2c41f715e1a7c3dd96

      SHA256

      33c9b3478982289a0c44edf6fddb136d4a9d72c1193db89963f600c489e2b351

      SHA512

      311b49ac842e59a725f77f9871f2648c9e4900c610e4a731aef716894e6d70585e51b4b9d57f5f5d76b81f5bf4206adea7602f8ea3e4dbd6917caa7116da8dbe

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

      Filesize

      19KB

      MD5

      5fcf6325c9403147b248f8d3063102d0

      SHA1

      3cea7137acd69505fad334665f567ee7712f81b3

      SHA256

      68327fe2cda622e88998c9ba049b7abd3a2b0499cd994dfa5fd3bd9a2b3181e8

      SHA512

      a3364887bd112d294a5a15aa4a272c0b9e08dfd56e9fb6c0704c7fdc54e51e33483f70ddd525e60dae311e49d0375453a5183000368a179a02c5ced33e1e699b

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      66d70e5f88d34091c21978f0bf70930b

      SHA1

      4f9ed440c66a6da03fadab9b90441fa7f014e331

      SHA256

      32144afe2f1eed5830db36a119df61b1a9b610ede5c15acae277e51ebd75e430

      SHA512

      3dd1eedbe61e3b63589cf82715e31149422c418a5cb9430f2dc3e3fa2392cc2863920854b492cc8be6ae545b63f59e3d0fdc5947857f81a9a87618576e237f9b

    • memory/216-171-0x0000000070850000-0x0000000070BA4000-memory.dmp

      Filesize

      3.3MB

    • memory/216-182-0x00000000080A0000-0x00000000080B1000-memory.dmp

      Filesize

      68KB

    • memory/216-181-0x0000000007CB0000-0x0000000007D53000-memory.dmp

      Filesize

      652KB

    • memory/216-170-0x00000000706D0000-0x000000007071C000-memory.dmp

      Filesize

      304KB

    • memory/216-169-0x0000000006FF0000-0x000000000703C000-memory.dmp

      Filesize

      304KB

    • memory/216-167-0x0000000006570000-0x00000000068C4000-memory.dmp

      Filesize

      3.3MB

    • memory/216-183-0x00000000064B0000-0x00000000064C4000-memory.dmp

      Filesize

      80KB

    • memory/904-206-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1384-92-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/1384-93-0x0000000070F30000-0x0000000071284000-memory.dmp

      Filesize

      3.3MB

    • memory/2752-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2752-116-0x00000000046C0000-0x0000000004AC1000-memory.dmp

      Filesize

      4.0MB

    • memory/2752-213-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2752-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp

      Filesize

      8.9MB

    • memory/2752-115-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2752-1-0x00000000046C0000-0x0000000004AC1000-memory.dmp

      Filesize

      4.0MB

    • memory/2752-156-0x0000000004BD0000-0x00000000054BB000-memory.dmp

      Filesize

      8.9MB

    • memory/2964-26-0x0000000007920000-0x0000000007F9A000-memory.dmp

      Filesize

      6.5MB

    • memory/2964-41-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-46-0x00000000075D0000-0x00000000075E1000-memory.dmp

      Filesize

      68KB

    • memory/2964-47-0x0000000007610000-0x000000000761E000-memory.dmp

      Filesize

      56KB

    • memory/2964-48-0x0000000007620000-0x0000000007634000-memory.dmp

      Filesize

      80KB

    • memory/2964-49-0x0000000007710000-0x000000000772A000-memory.dmp

      Filesize

      104KB

    • memory/2964-50-0x0000000007650000-0x0000000007658000-memory.dmp

      Filesize

      32KB

    • memory/2964-53-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-29-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/2964-30-0x0000000070D60000-0x00000000710B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2964-28-0x0000000007460000-0x0000000007492000-memory.dmp

      Filesize

      200KB

    • memory/2964-10-0x0000000004FD0000-0x0000000005036000-memory.dmp

      Filesize

      408KB

    • memory/2964-7-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-11-0x00000000056B0000-0x0000000005716000-memory.dmp

      Filesize

      408KB

    • memory/2964-9-0x0000000004F30000-0x0000000004F52000-memory.dmp

      Filesize

      136KB

    • memory/2964-8-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-40-0x00000000074A0000-0x00000000074BE000-memory.dmp

      Filesize

      120KB

    • memory/2964-27-0x00000000072A0000-0x00000000072BA000-memory.dmp

      Filesize

      104KB

    • memory/2964-42-0x00000000074C0000-0x0000000007563000-memory.dmp

      Filesize

      652KB

    • memory/2964-44-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-17-0x00000000058A0000-0x0000000005BF4000-memory.dmp

      Filesize

      3.3MB

    • memory/2964-22-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

      Filesize

      120KB

    • memory/2964-45-0x0000000007670000-0x0000000007706000-memory.dmp

      Filesize

      600KB

    • memory/2964-23-0x0000000005EF0000-0x0000000005F3C000-memory.dmp

      Filesize

      304KB

    • memory/2964-6-0x0000000005080000-0x00000000056A8000-memory.dmp

      Filesize

      6.2MB

    • memory/2964-24-0x0000000006470000-0x00000000064B4000-memory.dmp

      Filesize

      272KB

    • memory/2964-5-0x0000000004950000-0x0000000004986000-memory.dmp

      Filesize

      216KB

    • memory/2964-4-0x000000007491E000-0x000000007491F000-memory.dmp

      Filesize

      4KB

    • memory/2964-25-0x0000000007220000-0x0000000007296000-memory.dmp

      Filesize

      472KB

    • memory/2964-43-0x00000000075B0000-0x00000000075BA000-memory.dmp

      Filesize

      40KB

    • memory/3168-239-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-224-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-218-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-230-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-215-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-221-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-251-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-242-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-233-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-227-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-236-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-245-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3168-248-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4208-145-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/4208-146-0x0000000070930000-0x0000000070C84000-memory.dmp

      Filesize

      3.3MB

    • memory/4208-143-0x0000000005CC0000-0x0000000006014000-memory.dmp

      Filesize

      3.3MB

    • memory/4528-65-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/4528-78-0x00000000073E0000-0x00000000073F4000-memory.dmp

      Filesize

      80KB

    • memory/4528-77-0x0000000007390000-0x00000000073A1000-memory.dmp

      Filesize

      68KB

    • memory/4528-76-0x0000000007070000-0x0000000007113000-memory.dmp

      Filesize

      652KB

    • memory/4528-66-0x0000000070F30000-0x0000000071284000-memory.dmp

      Filesize

      3.3MB

    • memory/4528-64-0x0000000005810000-0x0000000005B64000-memory.dmp

      Filesize

      3.3MB

    • memory/5104-118-0x0000000070F50000-0x00000000712A4000-memory.dmp

      Filesize

      3.3MB

    • memory/5104-117-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/5104-109-0x0000000006240000-0x0000000006594000-memory.dmp

      Filesize

      3.3MB

    • memory/5108-196-0x0000000070850000-0x0000000070BA4000-memory.dmp

      Filesize

      3.3MB

    • memory/5108-195-0x00000000706D0000-0x000000007071C000-memory.dmp

      Filesize

      304KB