Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 09:46

General

  • Target

    da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332.exe

  • Size

    4.1MB

  • MD5

    e4ced2a833171d359d256d3e10a01eed

  • SHA1

    88fca15424e35c197d6c51f46ce97f94e21dfd89

  • SHA256

    da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332

  • SHA512

    6d31f00ea9110abf048d5499a163d9e1c033383a37b17003aeddbcde0a48803dc040f085639c60dcb999bd85a06e1f87e4e75c20303fc45ad5840616a41ce315

  • SSDEEP

    98304:NH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5z:Er7OagDbOPW/F2k5tRZaLrF

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\da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332.exe
    "C:\Users\Admin\AppData\Local\Temp\da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5044
    • 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:3712
    • C:\Users\Admin\AppData\Local\Temp\da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332.exe
      "C:\Users\Admin\AppData\Local\Temp\da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332.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:5020
      • 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:2288
      • 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:3612
        • 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:1880
      • 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:2128
      • 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:3080
      • 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:4124
        • 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:4840
        • 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:2972
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:456
          • 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:2824
          • 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:944
          • 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:3340
          • 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:3820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wgxgefxb.5ed.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

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      19KB

      MD5

      f3b19176366c34844bdfbd63a409a466

      SHA1

      74f3e1bd21eefe9320df515d4797bc419dcce1eb

      SHA256

      71e66f0bd6af7aa7a74510a0740255cb180bcfcd3e8be7b27bd9efc5bf02c21b

      SHA512

      33a7f023cb99b6841c4db22d67f3a78641fe3e57ecbb9a13d1b99bf4651d29526c003bc9e6bfe29b23216c516b598a34a9b70778114d5ea72721b674e5063fe1

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

      Filesize

      19KB

      MD5

      6ac0f6f1a0207f32721b2a682b1b4982

      SHA1

      34daeebd59af2c011b685214b55cc5f603475935

      SHA256

      b08f6a16ad5fa8047d1c285ffec849a9567bea38159de84b2d6bef4a316af246

      SHA512

      03aec95120d2a6888c19f1e9fbaaea992a05a07654bf6a4e12101a9983846fcee15e0595367be9ea14d4d71fefd70db1ae5074ea487b063c966e6a6cf49d08f9

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

      Filesize

      19KB

      MD5

      91c0385b307695722ef5ec108cd5b20b

      SHA1

      432edd112cf497b6e956d11b0becd8654122b649

      SHA256

      d906587daad2b410d28c0ce275847f35a03a57683528434748337a17f010d925

      SHA512

      00fb2219f2e55cb4eb0a94247111878b68f9f1f10348378511509f145fd072f487c997bf546d2edd24dbbcfbb03c3902c707dc14824cfcda4d285edc4b1a4529

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

      Filesize

      19KB

      MD5

      ed29c19ba79a606ef14967e21f3e3f2a

      SHA1

      88190c9beb3addf680c5ba5a469604b0ba84638a

      SHA256

      a399a23edd8556234ac6f17e380dfa72843053ee3c64e7259139b6a587234541

      SHA512

      22fa45b0917fcd241c8c2a792ef2b7933cb1fa33ee6424af7799ee57bbebbaa32429ea23aad800c096a347c68a2b73e1ab47040ea81e1790373caee80aed7e74

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

      Filesize

      19KB

      MD5

      069d367748394148b0251383186d1dd9

      SHA1

      f6b36488604b80e99875153bc17640abaedf49bf

      SHA256

      6f20046788fb6a30c48d5fd9408f7852bde37f739792f8e1a12cf6adead4659b

      SHA512

      83d82fe6903069796a0916336dadb5c65bf81d2dbb0a68ae81e393c9a151541bcbb5fdaf96dba4e4d5ddbda628a668953f16b6b1798b894b43aeeeab2f8485b1

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      e4ced2a833171d359d256d3e10a01eed

      SHA1

      88fca15424e35c197d6c51f46ce97f94e21dfd89

      SHA256

      da2e521c8791f424f2dc5ec7720926efdcf2b30066f2d210ec3dfd0193672332

      SHA512

      6d31f00ea9110abf048d5499a163d9e1c033383a37b17003aeddbcde0a48803dc040f085639c60dcb999bd85a06e1f87e4e75c20303fc45ad5840616a41ce315

    • memory/944-188-0x0000000005B40000-0x0000000005E94000-memory.dmp

      Filesize

      3.3MB

    • memory/944-199-0x000000006FE40000-0x000000006FE8C000-memory.dmp

      Filesize

      304KB

    • memory/944-200-0x00000000705D0000-0x0000000070924000-memory.dmp

      Filesize

      3.3MB

    • memory/2128-97-0x00000000706A0000-0x00000000709F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2128-96-0x000000006FF20000-0x000000006FF6C000-memory.dmp

      Filesize

      304KB

    • memory/2288-79-0x00000000074B0000-0x00000000074C1000-memory.dmp

      Filesize

      68KB

    • memory/2288-78-0x0000000007110000-0x00000000071B3000-memory.dmp

      Filesize

      652KB

    • memory/2288-80-0x0000000007500000-0x0000000007514000-memory.dmp

      Filesize

      80KB

    • memory/2288-68-0x00000000706A0000-0x00000000709F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2288-62-0x00000000058F0000-0x0000000005C44000-memory.dmp

      Filesize

      3.3MB

    • memory/2288-67-0x000000006FF20000-0x000000006FF6C000-memory.dmp

      Filesize

      304KB

    • memory/2824-184-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

      Filesize

      68KB

    • memory/2824-169-0x0000000006090000-0x00000000063E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2824-171-0x00000000066E0000-0x000000000672C000-memory.dmp

      Filesize

      304KB

    • memory/2824-172-0x000000006FE40000-0x000000006FE8C000-memory.dmp

      Filesize

      304KB

    • memory/2824-173-0x00000000705F0000-0x0000000070944000-memory.dmp

      Filesize

      3.3MB

    • memory/2824-183-0x00000000078D0000-0x0000000007973000-memory.dmp

      Filesize

      652KB

    • memory/2824-186-0x0000000006430000-0x0000000006444000-memory.dmp

      Filesize

      80KB

    • memory/3080-118-0x0000000005E20000-0x0000000006174000-memory.dmp

      Filesize

      3.3MB

    • memory/3080-120-0x000000006FF20000-0x000000006FF6C000-memory.dmp

      Filesize

      304KB

    • memory/3080-121-0x00000000704F0000-0x0000000070844000-memory.dmp

      Filesize

      3.3MB

    • memory/3712-41-0x0000000007340000-0x000000000735E000-memory.dmp

      Filesize

      120KB

    • memory/3712-27-0x0000000007150000-0x000000000716A000-memory.dmp

      Filesize

      104KB

    • memory/3712-50-0x0000000007500000-0x0000000007508000-memory.dmp

      Filesize

      32KB

    • memory/3712-53-0x0000000074080000-0x0000000074830000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-4-0x000000007408E000-0x000000007408F000-memory.dmp

      Filesize

      4KB

    • memory/3712-5-0x0000000002450000-0x0000000002486000-memory.dmp

      Filesize

      216KB

    • memory/3712-48-0x00000000074C0000-0x00000000074D4000-memory.dmp

      Filesize

      80KB

    • memory/3712-47-0x00000000074A0000-0x00000000074AE000-memory.dmp

      Filesize

      56KB

    • memory/3712-46-0x0000000007460000-0x0000000007471000-memory.dmp

      Filesize

      68KB

    • memory/3712-45-0x0000000007560000-0x00000000075F6000-memory.dmp

      Filesize

      600KB

    • memory/3712-43-0x0000000007450000-0x000000000745A000-memory.dmp

      Filesize

      40KB

    • memory/3712-44-0x0000000074080000-0x0000000074830000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-7-0x0000000074080000-0x0000000074830000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-6-0x0000000005020000-0x0000000005648000-memory.dmp

      Filesize

      6.2MB

    • memory/3712-40-0x0000000074080000-0x0000000074830000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-42-0x0000000007360000-0x0000000007403000-memory.dmp

      Filesize

      652KB

    • memory/3712-28-0x0000000007300000-0x0000000007332000-memory.dmp

      Filesize

      200KB

    • memory/3712-8-0x0000000074080000-0x0000000074830000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-9-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

      Filesize

      136KB

    • memory/3712-30-0x00000000700A0000-0x00000000703F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3712-29-0x000000006FF20000-0x000000006FF6C000-memory.dmp

      Filesize

      304KB

    • memory/3712-10-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/3712-26-0x00000000077B0000-0x0000000007E2A000-memory.dmp

      Filesize

      6.5MB

    • memory/3712-25-0x0000000006EB0000-0x0000000006F26000-memory.dmp

      Filesize

      472KB

    • memory/3712-24-0x00000000062F0000-0x0000000006334000-memory.dmp

      Filesize

      272KB

    • memory/3712-11-0x0000000005730000-0x0000000005796000-memory.dmp

      Filesize

      408KB

    • memory/3712-49-0x0000000007510000-0x000000000752A000-memory.dmp

      Filesize

      104KB

    • memory/3712-21-0x00000000058A0000-0x0000000005BF4000-memory.dmp

      Filesize

      3.3MB

    • memory/3712-23-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

      Filesize

      304KB

    • memory/3712-22-0x0000000005D80000-0x0000000005D9E000-memory.dmp

      Filesize

      120KB

    • memory/4124-248-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-236-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-220-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-238-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-242-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-245-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-233-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-251-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-253-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-230-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-227-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-216-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4124-224-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4840-147-0x000000006FF20000-0x000000006FF6C000-memory.dmp

      Filesize

      304KB

    • memory/4840-148-0x00000000700A0000-0x00000000703F4000-memory.dmp

      Filesize

      3.3MB

    • memory/5020-218-0x00000000029B0000-0x0000000002DA9000-memory.dmp

      Filesize

      4.0MB

    • memory/5020-158-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/5020-56-0x0000000002DB0000-0x000000000369B000-memory.dmp

      Filesize

      8.9MB

    • memory/5020-55-0x00000000029B0000-0x0000000002DA9000-memory.dmp

      Filesize

      4.0MB

    • memory/5044-2-0x0000000002D60000-0x000000000364B000-memory.dmp

      Filesize

      8.9MB

    • memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/5044-107-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/5044-1-0x0000000002950000-0x0000000002D57000-memory.dmp

      Filesize

      4.0MB

    • memory/5044-82-0x0000000002D60000-0x000000000364B000-memory.dmp

      Filesize

      8.9MB

    • memory/5044-81-0x0000000002950000-0x0000000002D57000-memory.dmp

      Filesize

      4.0MB