Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 22:46

General

  • Target

    be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe

  • Size

    4.1MB

  • MD5

    96fb9559a584f28b6438a82bb3825315

  • SHA1

    d287d3aa7b60e52bf4cb5a3723a94772272547b6

  • SHA256

    be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3

  • SHA512

    7b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc

  • SSDEEP

    98304:QRTkDuHgmYx/lUN44oPlaFTRDd8Vl17ZH+qKHzyof587dicDjgk:KumYx/lUN44oEJmBCTyoq7dicJ

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 18 IoCs
  • Modifies Windows Firewall 1 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 8 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
  • 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\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe
    "C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:456
    • C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe
      "C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.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:840
      • 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:2192
      • 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:3352
        • 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:4696
      • 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:1700
      • 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:3684
      • 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:372
        • 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:3552
        • 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:2224
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4296
          • 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:1248
          • 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:4880
          • 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:4648
          • 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:4144

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nhptkrjq.3j2.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

            3d086a433708053f9bf9523e1d87a4e8

            SHA1

            b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

            SHA256

            6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

            SHA512

            931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

          • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

            Filesize

            35KB

            MD5

            c0c4404d7fa40cfc426fa66648e532c2

            SHA1

            d60dcafc42c6cca766a81d5bfdd8e86978940db0

            SHA256

            ca8746b989ce25d54f1b7fa117f804f162d842228b7f6e9422aeaf0cc6a017f3

            SHA512

            c84bb02966316ee10a38f35516964e4b2730a4a36ede9e13e8b3cf8669756dc7ed44fa5d06e30347050b854e6f82219a38db13dce3b16138354aa331c73d02b9

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

            Filesize

            19KB

            MD5

            ed9e7cf4a70fe71f6317c9c233875b5d

            SHA1

            1a8d34be71666658e1ef35cb1d3008e00abcf552

            SHA256

            2c696383c1bd235c0e1708b58c88fa433204956c7fa06d5fc4af66fd5f6ff0fe

            SHA512

            c6bddc191706221f178c5722d047f9bbb9a78cec94738dc50d48c33f968ab90cef8bb2fe23e9ad952338ce8321b5f23ffb722038d5ab515b19ed582360dc04c3

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

            Filesize

            18KB

            MD5

            5933f5524840e75ad9a94024fda0c75c

            SHA1

            69d13bb5d1248bea53280ab76a25af662fd5d510

            SHA256

            041f427fb322f48802cc693bc1446acd0a116381ea0b057e2ba28802f7d82daf

            SHA512

            3bfeef4b0fa089c84b0f07fa7d921a7cb6bab5bef0c4ee82dc8786d1ca2543503d1cd01dcbb2ff5c39f9774a06436772418fb41143bb34c661c4ce1d1fed35ca

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

            Filesize

            18KB

            MD5

            f27a0a98587b4f2a427eba69976926b4

            SHA1

            096256486a92a815bf06f93ad1a150ed4b965905

            SHA256

            6375f0590ad627454f8f6bef1cd25656d0175e0c9b8dad6be2815d85215bb2cb

            SHA512

            e9943691ebb7f853e8d30a6243f65df2ddd975cd0ab2247110f9b6cc6827c22e3a7ca1538fcf39433c89e41daed7f66b7913f74c4a0e81ddc4daa5244ea1a8b0

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

            Filesize

            18KB

            MD5

            3293027792559478c6b9a12b4b7b561a

            SHA1

            ee07cad367be081d8d989401eb951530178090dd

            SHA256

            7694c061637f6dbf7d71ae196bf11c94cb2d796e6dd29ff075faf50c5289da4a

            SHA512

            cb0274f71c767a9c0a5025cec92545c3dd58777ac9c05bbfbf077bf80796f37260563beed075fa2c342ce916ef67a916ef48292357a1853062354743f56ad018

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

            Filesize

            18KB

            MD5

            f27375e6a7212233f990349f02e05fce

            SHA1

            23a70d7d7e5ee197f7628503d218bbdce0f3cdb3

            SHA256

            f45207f6aa81999ba98f9c5e09acefc02f6034372843242b095878530f33fb75

            SHA512

            8fa39bcae47a3d62ca06a26a8b68a07ae6a85342fb711056ef53741016b93aa79dd57b04be14af3195ec5b07a091df50a6382abc276f804222c047e9e8f8173c

          • C:\Windows\rss\csrss.exe

            Filesize

            4.1MB

            MD5

            96fb9559a584f28b6438a82bb3825315

            SHA1

            d287d3aa7b60e52bf4cb5a3723a94772272547b6

            SHA256

            be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3

            SHA512

            7b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc

          • C:\Windows\rss\csrss.exe

            Filesize

            4.1MB

            MD5

            96fb9559a584f28b6438a82bb3825315

            SHA1

            d287d3aa7b60e52bf4cb5a3723a94772272547b6

            SHA256

            be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3

            SHA512

            7b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc

          • memory/372-216-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/372-269-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/372-271-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/372-275-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/372-273-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/456-14-0x00000000057A0000-0x0000000005806000-memory.dmp

            Filesize

            408KB

          • memory/456-9-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/456-27-0x0000000006490000-0x00000000064D4000-memory.dmp

            Filesize

            272KB

          • memory/456-28-0x0000000002590000-0x00000000025A0000-memory.dmp

            Filesize

            64KB

          • memory/456-29-0x0000000007060000-0x00000000070D6000-memory.dmp

            Filesize

            472KB

          • memory/456-30-0x0000000007760000-0x0000000007DDA000-memory.dmp

            Filesize

            6.5MB

          • memory/456-31-0x0000000007100000-0x000000000711A000-memory.dmp

            Filesize

            104KB

          • memory/456-32-0x000000007F930000-0x000000007F940000-memory.dmp

            Filesize

            64KB

          • memory/456-33-0x00000000074C0000-0x00000000074F2000-memory.dmp

            Filesize

            200KB

          • memory/456-34-0x00000000701C0000-0x000000007020C000-memory.dmp

            Filesize

            304KB

          • memory/456-35-0x0000000070360000-0x00000000706B4000-memory.dmp

            Filesize

            3.3MB

          • memory/456-45-0x00000000074A0000-0x00000000074BE000-memory.dmp

            Filesize

            120KB

          • memory/456-46-0x0000000007500000-0x00000000075A3000-memory.dmp

            Filesize

            652KB

          • memory/456-47-0x00000000075F0000-0x00000000075FA000-memory.dmp

            Filesize

            40KB

          • memory/456-48-0x00000000076B0000-0x0000000007746000-memory.dmp

            Filesize

            600KB

          • memory/456-49-0x0000000007610000-0x0000000007621000-memory.dmp

            Filesize

            68KB

          • memory/456-50-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/456-51-0x0000000007650000-0x000000000765E000-memory.dmp

            Filesize

            56KB

          • memory/456-52-0x0000000007660000-0x0000000007674000-memory.dmp

            Filesize

            80KB

          • memory/456-53-0x0000000007DE0000-0x0000000007DFA000-memory.dmp

            Filesize

            104KB

          • memory/456-54-0x00000000076A0000-0x00000000076A8000-memory.dmp

            Filesize

            32KB

          • memory/456-57-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/456-8-0x00000000025F0000-0x0000000002626000-memory.dmp

            Filesize

            216KB

          • memory/456-26-0x0000000005F90000-0x0000000005FDC000-memory.dmp

            Filesize

            304KB

          • memory/456-10-0x0000000002590000-0x00000000025A0000-memory.dmp

            Filesize

            64KB

          • memory/456-11-0x0000000005100000-0x0000000005728000-memory.dmp

            Filesize

            6.2MB

          • memory/456-25-0x0000000005F40000-0x0000000005F5E000-memory.dmp

            Filesize

            120KB

          • memory/456-24-0x00000000058E0000-0x0000000005C34000-memory.dmp

            Filesize

            3.3MB

          • memory/456-12-0x0000000004F40000-0x0000000004F62000-memory.dmp

            Filesize

            136KB

          • memory/456-13-0x0000000005730000-0x0000000005796000-memory.dmp

            Filesize

            408KB

          • memory/840-170-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/840-76-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/840-62-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/840-60-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/840-59-0x0000000002B90000-0x0000000002F88000-memory.dmp

            Filesize

            4.0MB

          • memory/840-122-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/840-93-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-6-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-7-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-0-0x0000000002C00000-0x0000000002FF8000-memory.dmp

            Filesize

            4.0MB

          • memory/1684-5-0x0000000003000000-0x00000000038EB000-memory.dmp

            Filesize

            8.9MB

          • memory/1684-4-0x0000000002C00000-0x0000000002FF8000-memory.dmp

            Filesize

            4.0MB

          • memory/1684-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-58-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-2-0x0000000000400000-0x0000000000D1B000-memory.dmp

            Filesize

            9.1MB

          • memory/1684-1-0x0000000003000000-0x00000000038EB000-memory.dmp

            Filesize

            8.9MB

          • memory/1700-109-0x0000000002A20000-0x0000000002A30000-memory.dmp

            Filesize

            64KB

          • memory/1700-125-0x000000007FCB0000-0x000000007FCC0000-memory.dmp

            Filesize

            64KB

          • memory/1700-107-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1700-119-0x0000000005BC0000-0x0000000005F14000-memory.dmp

            Filesize

            3.3MB

          • memory/1700-108-0x0000000002A20000-0x0000000002A30000-memory.dmp

            Filesize

            64KB

          • memory/1700-127-0x0000000070340000-0x0000000070694000-memory.dmp

            Filesize

            3.3MB

          • memory/1700-123-0x0000000002A20000-0x0000000002A30000-memory.dmp

            Filesize

            64KB

          • memory/1700-126-0x00000000701C0000-0x000000007020C000-memory.dmp

            Filesize

            304KB

          • memory/2192-95-0x0000000007180000-0x0000000007191000-memory.dmp

            Filesize

            68KB

          • memory/2192-80-0x000000007F870000-0x000000007F880000-memory.dmp

            Filesize

            64KB

          • memory/2192-102-0x00000000071D0000-0x00000000071E4000-memory.dmp

            Filesize

            80KB

          • memory/2192-97-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-96-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-105-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/2192-94-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-91-0x0000000006E80000-0x0000000006F23000-memory.dmp

            Filesize

            652KB

          • memory/2192-81-0x0000000070940000-0x0000000070C94000-memory.dmp

            Filesize

            3.3MB

          • memory/2192-98-0x000000007F870000-0x000000007F880000-memory.dmp

            Filesize

            64KB

          • memory/2192-78-0x00000000701C0000-0x000000007020C000-memory.dmp

            Filesize

            304KB

          • memory/2192-79-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/2192-77-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-71-0x0000000005650000-0x00000000059A4000-memory.dmp

            Filesize

            3.3MB

          • memory/2192-64-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-65-0x0000000004970000-0x0000000004980000-memory.dmp

            Filesize

            64KB

          • memory/2192-63-0x0000000074320000-0x0000000074AD0000-memory.dmp

            Filesize

            7.7MB