Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 08:56

General

  • Target

    5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe

  • Size

    4.1MB

  • MD5

    983f78a4179867e5818b73db3e5e8b1d

  • SHA1

    aeeaa70a50f085930e3a5f6dbc381b199282fa15

  • SHA256

    5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d

  • SHA512

    3e47961b20fba86879f682a63aa75ae9e008a80663421e490c1aafe0d806a8c8e978eed92c4b2103803fd4193d6bf81427046ec014c2ee7f7e86cc2e08e8c2f6

  • SSDEEP

    98304:gvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1+:gvC3DFSWO/BjYGk1PnXHoWWZ1za6N+

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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.

  • Program crash 1 IoCs
  • 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\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe
    "C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • 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:3208
    • C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.exe
      "C:\Users\Admin\AppData\Local\Temp\5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d.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:2816
      • 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:2168
      • 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:976
        • 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:2852
      • 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:1600
      • 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:3616
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4704
        • 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:2864
        • 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:4660
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1072
          • 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:4484
          • 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:632
          • 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:5108
          • 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:8
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 876
        2⤵
        • Program crash
        PID:1532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2364 -ip 2364
      1⤵
        PID:1920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mz5ixirq.o2x.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

        e3218052e166d7c0dfe28aa037217fa9

        SHA1

        9318cc7ad2a10f30189ebe37579b445e7fdeb965

        SHA256

        81f42381c30cc61c9ac752594d9c67feaa9591cf4bb206a2db03805646382e8e

        SHA512

        3b18092ea5926927eceac13284e783583241dc233cd6bcb5a195305e46e0cc9f9f7ac63666a8d8be7faa18d607949451f276ee56c0582a3df1d220e086022119

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

        Filesize

        19KB

        MD5

        615fd31561687f7ee04d1d9b095340da

        SHA1

        9c877e5598e42ff52ce57506219546ce8bf61575

        SHA256

        1adf971e0c0dda1e4df5d84340dda851b0460cab4f62630a3db9494465e11f6e

        SHA512

        31afc26093de38df67f97bcec61732e1e8c5e3bbea8d28c5379557b400478987a0a23637f228de2bf705c7ee85cb3faf0ac810fb86302eafb77fcb6d37ad9b81

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

        Filesize

        19KB

        MD5

        fe352a4bd5815cd5014697f458c914f1

        SHA1

        dfccf076af2c5146a786f44060ea93def8540c48

        SHA256

        dbbe36e240362e8ec7520e9edaf6ba05d0bf5216fe68c894f306b939f2554475

        SHA512

        35907280c5940f4b983b40c9ff52aef5a0bb7b981963bf8c0d24204c0fea74308911f6d59d64dc38f0bebc25bb917795b39a132ee87659aae521f1c39ad285fd

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

        Filesize

        19KB

        MD5

        e7615fc167e54f90ecf9bdb17e89c42f

        SHA1

        77ee411556b86434e9d1288c3e8993160feb9b05

        SHA256

        7f8b4bf5f7c1c30cb7a93d6e7c82709d5debe0838e10be0b8a73f48b78f17875

        SHA512

        b81b0a8df6a39095d1125733757b69a4566dc91b07ea10e1550e5db4a8df261b910dec15d3d610fe2601a3c5d7b7534f16d4d4e2f5f822c0cb2a79ffbcba9a59

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

        Filesize

        19KB

        MD5

        5178193cd4db0f0f5b35de762943c90e

        SHA1

        1520ddd209975e0fecdd7cd5adc6278effb494dd

        SHA256

        37032ac36c27fd1f1db74535ee9bd654b98bf5a892071eb9d7d97b8f1702fb23

        SHA512

        5abc453b8215e930e8ae8e910b7e88a7f74ac1f8c650818b7cf5b6fb946557ea6e7415b12c0b4601452bca9903368228f9318e0b01d40103c5f6678db2cf94c3

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        983f78a4179867e5818b73db3e5e8b1d

        SHA1

        aeeaa70a50f085930e3a5f6dbc381b199282fa15

        SHA256

        5469493967b62a9d55e0e0f7895df32d37e909aa77a7ca7ec6bade23c17b649d

        SHA512

        3e47961b20fba86879f682a63aa75ae9e008a80663421e490c1aafe0d806a8c8e978eed92c4b2103803fd4193d6bf81427046ec014c2ee7f7e86cc2e08e8c2f6

      • memory/632-203-0x0000000070C00000-0x0000000070F54000-memory.dmp

        Filesize

        3.3MB

      • memory/632-202-0x0000000070A80000-0x0000000070ACC000-memory.dmp

        Filesize

        304KB

      • memory/1600-97-0x0000000070C00000-0x0000000070C4C000-memory.dmp

        Filesize

        304KB

      • memory/1600-95-0x0000000005C40000-0x0000000005F94000-memory.dmp

        Filesize

        3.3MB

      • memory/1600-98-0x0000000070D90000-0x00000000710E4000-memory.dmp

        Filesize

        3.3MB

      • memory/2168-81-0x0000000007C60000-0x0000000007C71000-memory.dmp

        Filesize

        68KB

      • memory/2168-80-0x0000000007950000-0x00000000079F3000-memory.dmp

        Filesize

        652KB

      • memory/2168-67-0x00000000062E0000-0x0000000006634000-memory.dmp

        Filesize

        3.3MB

      • memory/2168-68-0x00000000067A0000-0x00000000067EC000-memory.dmp

        Filesize

        304KB

      • memory/2168-70-0x0000000070DA0000-0x00000000710F4000-memory.dmp

        Filesize

        3.3MB

      • memory/2168-69-0x0000000070C00000-0x0000000070C4C000-memory.dmp

        Filesize

        304KB

      • memory/2168-82-0x0000000007CB0000-0x0000000007CC4000-memory.dmp

        Filesize

        80KB

      • memory/2364-1-0x00000000040B0000-0x00000000044AB000-memory.dmp

        Filesize

        4.0MB

      • memory/2364-56-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2364-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp

        Filesize

        8.9MB

      • memory/2364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2364-57-0x00000000044B0000-0x0000000004D9B000-memory.dmp

        Filesize

        8.9MB

      • memory/2364-55-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/2816-135-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/2816-130-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/2864-163-0x0000000005F90000-0x0000000005FA4000-memory.dmp

        Filesize

        80KB

      • memory/2864-147-0x0000000006190000-0x00000000064E4000-memory.dmp

        Filesize

        3.3MB

      • memory/2864-162-0x0000000007B90000-0x0000000007BA1000-memory.dmp

        Filesize

        68KB

      • memory/2864-161-0x0000000007860000-0x0000000007903000-memory.dmp

        Filesize

        652KB

      • memory/2864-151-0x0000000070CE0000-0x0000000071034000-memory.dmp

        Filesize

        3.3MB

      • memory/2864-150-0x0000000070B60000-0x0000000070BAC000-memory.dmp

        Filesize

        304KB

      • memory/2864-149-0x00000000066B0000-0x00000000066FC000-memory.dmp

        Filesize

        304KB

      • memory/3208-29-0x0000000070B00000-0x0000000070B4C000-memory.dmp

        Filesize

        304KB

      • memory/3208-41-0x0000000074C60000-0x0000000075410000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-43-0x0000000007730000-0x000000000773A000-memory.dmp

        Filesize

        40KB

      • memory/3208-28-0x00000000075E0000-0x0000000007612000-memory.dmp

        Filesize

        200KB

      • memory/3208-40-0x0000000007620000-0x000000000763E000-memory.dmp

        Filesize

        120KB

      • memory/3208-42-0x0000000007640000-0x00000000076E3000-memory.dmp

        Filesize

        652KB

      • memory/3208-49-0x00000000077E0000-0x00000000077FA000-memory.dmp

        Filesize

        104KB

      • memory/3208-30-0x0000000070C80000-0x0000000070FD4000-memory.dmp

        Filesize

        3.3MB

      • memory/3208-48-0x00000000077A0000-0x00000000077B4000-memory.dmp

        Filesize

        80KB

      • memory/3208-27-0x0000000007420000-0x000000000743A000-memory.dmp

        Filesize

        104KB

      • memory/3208-26-0x0000000007AA0000-0x000000000811A000-memory.dmp

        Filesize

        6.5MB

      • memory/3208-25-0x00000000073A0000-0x0000000007416000-memory.dmp

        Filesize

        472KB

      • memory/3208-24-0x0000000006610000-0x0000000006654000-memory.dmp

        Filesize

        272KB

      • memory/3208-23-0x0000000006090000-0x00000000060DC000-memory.dmp

        Filesize

        304KB

      • memory/3208-18-0x0000000005A60000-0x0000000005A82000-memory.dmp

        Filesize

        136KB

      • memory/3208-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

        Filesize

        4KB

      • memory/3208-22-0x0000000006070000-0x000000000608E000-memory.dmp

        Filesize

        120KB

      • memory/3208-21-0x0000000005BF0000-0x0000000005F44000-memory.dmp

        Filesize

        3.3MB

      • memory/3208-50-0x00000000077D0000-0x00000000077D8000-memory.dmp

        Filesize

        32KB

      • memory/3208-45-0x0000000007840000-0x00000000078D6000-memory.dmp

        Filesize

        600KB

      • memory/3208-20-0x0000000005B80000-0x0000000005BE6000-memory.dmp

        Filesize

        408KB

      • memory/3208-46-0x0000000007740000-0x0000000007751000-memory.dmp

        Filesize

        68KB

      • memory/3208-47-0x0000000007780000-0x000000000778E000-memory.dmp

        Filesize

        56KB

      • memory/3208-53-0x0000000074C60000-0x0000000075410000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-19-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/3208-44-0x0000000074C60000-0x0000000075410000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-5-0x0000000004AA0000-0x0000000004AD6000-memory.dmp

        Filesize

        216KB

      • memory/3208-6-0x0000000005260000-0x0000000005888000-memory.dmp

        Filesize

        6.2MB

      • memory/3208-8-0x0000000074C60000-0x0000000075410000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-7-0x0000000074C60000-0x0000000075410000-memory.dmp

        Filesize

        7.7MB

      • memory/3616-120-0x0000000070DA0000-0x00000000710F4000-memory.dmp

        Filesize

        3.3MB

      • memory/3616-119-0x0000000070C00000-0x0000000070C4C000-memory.dmp

        Filesize

        304KB

      • memory/4484-178-0x0000000070C00000-0x0000000070F54000-memory.dmp

        Filesize

        3.3MB

      • memory/4484-177-0x0000000070A80000-0x0000000070ACC000-memory.dmp

        Filesize

        304KB

      • memory/4484-190-0x0000000006420000-0x0000000006434000-memory.dmp

        Filesize

        80KB

      • memory/4484-176-0x0000000006F10000-0x0000000006F5C000-memory.dmp

        Filesize

        304KB

      • memory/4484-174-0x00000000064A0000-0x00000000067F4000-memory.dmp

        Filesize

        3.3MB

      • memory/4484-189-0x00000000061E0000-0x00000000061F1000-memory.dmp

        Filesize

        68KB

      • memory/4484-188-0x0000000007BC0000-0x0000000007C63000-memory.dmp

        Filesize

        652KB

      • memory/4704-229-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-230-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-221-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-222-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-223-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-224-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-225-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-226-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-227-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-228-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-220-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB

      • memory/4704-219-0x0000000000400000-0x0000000002365000-memory.dmp

        Filesize

        31.4MB