Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 09:54

General

  • Target

    0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe

  • Size

    4.2MB

  • MD5

    1a0c4aac0685ca071f1cab594859e2f1

  • SHA1

    29766e95cf43c2366713baed78bb622cc315252f

  • SHA256

    0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef

  • SHA512

    9d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271

  • SSDEEP

    98304:cvgU0+Z8fmcZeF2mw1bhw4Td2sb8DrDzI:SXmfmcZe2TwLsOrDs

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 20 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe
    "C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984
    • C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe
      "C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.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:2552
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2624
      • 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:4244
        • 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:1468
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2840
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4540
      • 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:2868
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1436
        • 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:3888
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4104
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:876
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4948
          • 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:4228
          • 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:4436

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jdmmupvt.lmi.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:\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

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

            Filesize

            19KB

            MD5

            a5e216aefb4e69e7e3bd0e84111973c8

            SHA1

            a51a28291a210ad23ca42f578ca5c2ff6771d173

            SHA256

            e2acc6ef22d416677a4c970b798938fce7a12d0a571c7475d0e525e76155a195

            SHA512

            a4dc282c5a3f6eed300b1f8bc90f58cda5409949f04277b50ff627f7c6e68ed19db00df6b6e2acf87d8d3e3d79602085a629059676920d1eb5e7ee8f274cfefe

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

            Filesize

            19KB

            MD5

            b185380a8dc0c7999b89c5a9a83231ed

            SHA1

            b28b88e67d0e6cd3de2a10f7c1d25005f563fddd

            SHA256

            904ba97369dde79a7fc587b812d8e2088da47ee929bb0c2f9430b072494b79eb

            SHA512

            e81454a247694687f874944fdbc52e4544e4dcff753cc1713230404ab3674a596751988d30d5f406c61da6de6d3defb21a5f7118b17178304655eaabcb558615

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

            Filesize

            19KB

            MD5

            df98fd521f82a7111d4a6c7edaa8628f

            SHA1

            8aa323bd7a3d591eee1adc081a5365d65885bd7f

            SHA256

            fe49540d43482b0d2a904a4bd97fa8369080684312370bd8d677a51e61ece321

            SHA512

            bb3a382f2c3d415e1821bd47c716f88af70768a4c43f8deae3e71f62c5774832ce3fe007e26970b75ad8a6b49a78f10681e3d690dbbab9e3ba982cc2df73674e

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

            Filesize

            19KB

            MD5

            b35bea2f7e1c7f4faa2c9a219f872c35

            SHA1

            2375ae0a226b2d864bfa88eba1d729f16674d115

            SHA256

            9d02cd2187a950f9f9cd5f7088baa738fafb0a2e21ca8a1fe5e7852ea39983ba

            SHA512

            8ff34a26319bb682e62788dd1bacb704231327b3f2c8d14aac4caed0de6a37cb5298d85881d28e32c61498ed9c8cda91ea94a1452dc384fa76cd404b884d68d3

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

            Filesize

            19KB

            MD5

            e7e3a2d6f5aff7eb1335264e2ab4b2fc

            SHA1

            5038125f8782a211909f50f9bffdc4b36e483953

            SHA256

            4f5de26555bacaf30c81daa2295fc989d0df55ad1d9566a1d111345c7a85ac04

            SHA512

            32bbdb56c8f2d1d9d265833c43827de4ccb5ca0237f1e55d22012fc5f5ff13fec7abe260d8ed90e60f600436d6b8cd1c6dcc9ae292235fc88f91ad041afb29e4

          • C:\Windows\rss\csrss.exe

            Filesize

            4.2MB

            MD5

            1a0c4aac0685ca071f1cab594859e2f1

            SHA1

            29766e95cf43c2366713baed78bb622cc315252f

            SHA256

            0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef

            SHA512

            9d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271

          • C:\Windows\rss\csrss.exe

            Filesize

            4.2MB

            MD5

            1a0c4aac0685ca071f1cab594859e2f1

            SHA1

            29766e95cf43c2366713baed78bb622cc315252f

            SHA256

            0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef

            SHA512

            9d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271

          • memory/1228-1-0x00000000045A0000-0x000000000499B000-memory.dmp

            Filesize

            4.0MB

          • memory/1228-71-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/1228-22-0x00000000049A0000-0x000000000528B000-memory.dmp

            Filesize

            8.9MB

          • memory/1228-23-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/1228-11-0x00000000045A0000-0x000000000499B000-memory.dmp

            Filesize

            4.0MB

          • memory/1228-2-0x00000000049A0000-0x000000000528B000-memory.dmp

            Filesize

            8.9MB

          • memory/1228-48-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/1228-3-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2552-73-0x00000000044C0000-0x00000000048C5000-memory.dmp

            Filesize

            4.0MB

          • memory/2552-58-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2552-57-0x00000000048D0000-0x00000000051BB000-memory.dmp

            Filesize

            8.9MB

          • memory/2552-155-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2552-56-0x00000000044C0000-0x00000000048C5000-memory.dmp

            Filesize

            4.0MB

          • memory/2552-120-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2552-86-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2624-72-0x0000000004A70000-0x0000000004A80000-memory.dmp

            Filesize

            64KB

          • memory/2624-75-0x000000007EF80000-0x000000007EF90000-memory.dmp

            Filesize

            64KB

          • memory/2624-92-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2624-90-0x0000000004A70000-0x0000000004A80000-memory.dmp

            Filesize

            64KB

          • memory/2624-88-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2624-76-0x0000000070D80000-0x00000000710D4000-memory.dmp

            Filesize

            3.3MB

          • memory/2624-74-0x00000000705E0000-0x000000007062C000-memory.dmp

            Filesize

            304KB

          • memory/2624-61-0x0000000004A70000-0x0000000004A80000-memory.dmp

            Filesize

            64KB

          • memory/2624-60-0x0000000004A70000-0x0000000004A80000-memory.dmp

            Filesize

            64KB

          • memory/2624-59-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2840-96-0x0000000004E80000-0x0000000004E90000-memory.dmp

            Filesize

            64KB

          • memory/2840-108-0x0000000004E80000-0x0000000004E90000-memory.dmp

            Filesize

            64KB

          • memory/2840-95-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2840-97-0x0000000004E80000-0x0000000004E90000-memory.dmp

            Filesize

            64KB

          • memory/2840-122-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/2840-109-0x00000000705E0000-0x000000007062C000-memory.dmp

            Filesize

            304KB

          • memory/2840-110-0x0000000070780000-0x0000000070AD4000-memory.dmp

            Filesize

            3.3MB

          • memory/2868-258-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-159-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-264-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-190-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-256-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-158-0x0000000004A00000-0x0000000004E00000-memory.dmp

            Filesize

            4.0MB

          • memory/2868-251-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-262-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-254-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/2868-260-0x0000000000400000-0x00000000026CF000-memory.dmp

            Filesize

            34.8MB

          • memory/4540-138-0x00000000705E0000-0x000000007062C000-memory.dmp

            Filesize

            304KB

          • memory/4540-123-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/4540-151-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/4540-139-0x0000000070780000-0x0000000070AD4000-memory.dmp

            Filesize

            3.3MB

          • memory/4540-137-0x000000007F8F0000-0x000000007F900000-memory.dmp

            Filesize

            64KB

          • memory/4540-136-0x0000000002330000-0x0000000002340000-memory.dmp

            Filesize

            64KB

          • memory/4540-124-0x0000000002330000-0x0000000002340000-memory.dmp

            Filesize

            64KB

          • memory/4540-125-0x0000000002330000-0x0000000002340000-memory.dmp

            Filesize

            64KB

          • memory/4984-33-0x00000000073D0000-0x0000000007402000-memory.dmp

            Filesize

            200KB

          • memory/4984-29-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

            Filesize

            64KB

          • memory/4984-46-0x0000000007500000-0x000000000750A000-memory.dmp

            Filesize

            40KB

          • memory/4984-35-0x0000000070B90000-0x0000000070EE4000-memory.dmp

            Filesize

            3.3MB

          • memory/4984-47-0x0000000007610000-0x00000000076A6000-memory.dmp

            Filesize

            600KB

          • memory/4984-34-0x00000000705E0000-0x000000007062C000-memory.dmp

            Filesize

            304KB

          • memory/4984-49-0x0000000007580000-0x000000000758E000-memory.dmp

            Filesize

            56KB

          • memory/4984-50-0x00000000075D0000-0x00000000075EA000-memory.dmp

            Filesize

            104KB

          • memory/4984-51-0x00000000075C0000-0x00000000075C8000-memory.dmp

            Filesize

            32KB

          • memory/4984-54-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/4984-32-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

            Filesize

            64KB

          • memory/4984-31-0x0000000007210000-0x000000000722A000-memory.dmp

            Filesize

            104KB

          • memory/4984-30-0x0000000007860000-0x0000000007EDA000-memory.dmp

            Filesize

            6.5MB

          • memory/4984-45-0x00000000073B0000-0x00000000073CE000-memory.dmp

            Filesize

            120KB

          • memory/4984-28-0x00000000070E0000-0x0000000007156000-memory.dmp

            Filesize

            472KB

          • memory/4984-27-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

            Filesize

            64KB

          • memory/4984-26-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB

          • memory/4984-25-0x0000000006330000-0x0000000006374000-memory.dmp

            Filesize

            272KB

          • memory/4984-24-0x0000000005E50000-0x0000000005E6E000-memory.dmp

            Filesize

            120KB

          • memory/4984-12-0x0000000005810000-0x0000000005876000-memory.dmp

            Filesize

            408KB

          • memory/4984-10-0x0000000005010000-0x0000000005076000-memory.dmp

            Filesize

            408KB

          • memory/4984-9-0x0000000004F70000-0x0000000004F92000-memory.dmp

            Filesize

            136KB

          • memory/4984-8-0x00000000050F0000-0x0000000005718000-memory.dmp

            Filesize

            6.2MB

          • memory/4984-7-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

            Filesize

            64KB

          • memory/4984-5-0x0000000002850000-0x0000000002886000-memory.dmp

            Filesize

            216KB

          • memory/4984-6-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

            Filesize

            64KB

          • memory/4984-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

            Filesize

            7.7MB