Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 15:56

General

  • Target

    7725eaa6592c80f8124e769b4e8a07f7[1].exe

  • Size

    4.2MB

  • MD5

    32ddef87207fd48862944757fe21f2ab

  • SHA1

    53942206c163d02c299e851def37791cda3ef7e1

  • SHA256

    073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e

  • SHA512

    896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143

  • SSDEEP

    98304:E9zsQ68NZJAUQvS0gtKx7M125D/72Q5Z9pvPsrDHphmEIUQTq:E9zDHXJT0SKx71Dj2SnqJNpt

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 20 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.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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\7725eaa6592c80f8124e769b4e8a07f7[1].exe
    "C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f7[1].exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4448
    • C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f7[1].exe
      "C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f7[1].exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2400
      • 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:3324
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:8
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4660
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2984
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4032
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2348
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1472
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2484
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • 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:3064
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wffo30o0.krw.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

      10aa2ae1a4cda6712e0b80d154032f52

      SHA1

      364f84d8b773b8f6580e159fcdaf343cde3b4100

      SHA256

      3e65aea79ef229b65eab886def39804e0d5e47c655a550ce87056fe30ebecf3b

      SHA512

      b4fd01f320e25a09c93bb8d5fb335174403a9202dc66d8cf8a9a9952d37877c8baffcb23dfd886befe73dccabcbebcc28b29b68a1b18bfa4aa01f810024d0162

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

      Filesize

      19KB

      MD5

      505ec4b8c0afb1b4005a264e3cc56224

      SHA1

      5bbee11b5e55bb4745b18f7fa35ff24ff815cd2c

      SHA256

      7852284811a01aad365a2b436ef0ca1285c7944eabb72d5688879a889aa04727

      SHA512

      6eea7e7af5e704e3a3af066f7e1f5e0d2930305ca39db1ad597e570b952d224c53b213e1a613659764e1fa27e8e6ba28f486d1f0e1abae73a2d6723ea7083c40

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

      Filesize

      19KB

      MD5

      b65791058cc70a3046ad71ec6c609290

      SHA1

      668fdf9364d788dd352982cb8814ecbb1a88de2a

      SHA256

      5ae124e8dbef946517841d984dce619403a392d8bb94c51cba5da7f662260a94

      SHA512

      6a4246f33568d4b85b3c19a69155008539ad67042bccd5df79e1b7dca43d0386258f8a5a0e572294e586d2a39ea20b28b3ae1df790bfbc2f06d46abfb7763fe7

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

      Filesize

      19KB

      MD5

      877502984cb99319d293fde4756afd5b

      SHA1

      1e71e80c233b6dd88a36381bcb139455c2b4f0a2

      SHA256

      8e47214552c1740d6566ff32eb40ad791888a05047f22279af84067278d0638f

      SHA512

      8d114a963346f99774ddfe0043ecb352dcbe793867d5096f083fc3ac6c53cad4b094e6dbebc657c2ef5f85fa1d8d0dafe6067d65f90a6d4e5214f61270b09e83

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

      Filesize

      19KB

      MD5

      546e7682aa6bbe972794997e457bcbe2

      SHA1

      df4168aa4c071de6251c894541d71d3d2dfe5bc6

      SHA256

      d3711367d7f4b9462e04a53b7aeb4c6778748dfa1c50288ab70cd0cd9dde1f5f

      SHA512

      fde51bf643c370b83006125e756e01569b458204fc7e83bec6f6c5c24be931ab302e0e2a2c742857da0278f49019c40649125dabfaca387cce42324be028941a

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      32ddef87207fd48862944757fe21f2ab

      SHA1

      53942206c163d02c299e851def37791cda3ef7e1

      SHA256

      073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e

      SHA512

      896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143

    • memory/2156-59-0x00000000029F0000-0x0000000002DF0000-memory.dmp

      Filesize

      4.0MB

    • memory/2156-139-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2156-132-0x00000000029F0000-0x0000000002DF0000-memory.dmp

      Filesize

      4.0MB

    • memory/2400-84-0x0000000007300000-0x0000000007314000-memory.dmp

      Filesize

      80KB

    • memory/2400-83-0x00000000072B0000-0x00000000072C1000-memory.dmp

      Filesize

      68KB

    • memory/2400-82-0x0000000006FA0000-0x0000000007043000-memory.dmp

      Filesize

      652KB

    • memory/2400-72-0x0000000070C00000-0x0000000070F54000-memory.dmp

      Filesize

      3.3MB

    • memory/2400-71-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/2400-69-0x0000000005750000-0x0000000005AA4000-memory.dmp

      Filesize

      3.3MB

    • memory/2484-175-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/2484-172-0x00000000063C0000-0x0000000006714000-memory.dmp

      Filesize

      3.3MB

    • memory/2484-174-0x0000000006D70000-0x0000000006DBC000-memory.dmp

      Filesize

      304KB

    • memory/2484-176-0x0000000070520000-0x0000000070874000-memory.dmp

      Filesize

      3.3MB

    • memory/2484-186-0x0000000007A80000-0x0000000007B23000-memory.dmp

      Filesize

      652KB

    • memory/2484-187-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

      Filesize

      68KB

    • memory/2484-188-0x00000000062B0000-0x00000000062C4000-memory.dmp

      Filesize

      80KB

    • memory/2920-234-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-237-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-240-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-231-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-228-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-225-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-222-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-219-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-243-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-246-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-249-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-252-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2920-255-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2984-121-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/2984-119-0x00000000059A0000-0x0000000005CF4000-memory.dmp

      Filesize

      3.3MB

    • memory/2984-122-0x0000000070600000-0x0000000070954000-memory.dmp

      Filesize

      3.3MB

    • memory/4032-151-0x0000000070600000-0x0000000070954000-memory.dmp

      Filesize

      3.3MB

    • memory/4032-150-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/4448-4-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/4448-11-0x0000000004E20000-0x0000000004E86000-memory.dmp

      Filesize

      408KB

    • memory/4448-21-0x0000000005560000-0x00000000058B4000-memory.dmp

      Filesize

      3.3MB

    • memory/4448-56-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-10-0x0000000004D00000-0x0000000004D66000-memory.dmp

      Filesize

      408KB

    • memory/4448-35-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-43-0x00000000070E0000-0x00000000070FE000-memory.dmp

      Filesize

      120KB

    • memory/4448-23-0x0000000005B60000-0x0000000005BAC000-memory.dmp

      Filesize

      304KB

    • memory/4448-9-0x0000000004C60000-0x0000000004C82000-memory.dmp

      Filesize

      136KB

    • memory/4448-44-0x0000000007100000-0x00000000071A3000-memory.dmp

      Filesize

      652KB

    • memory/4448-24-0x0000000006C90000-0x0000000006CD4000-memory.dmp

      Filesize

      272KB

    • memory/4448-8-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-7-0x0000000004F30000-0x0000000005558000-memory.dmp

      Filesize

      6.2MB

    • memory/4448-6-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-5-0x0000000000960000-0x0000000000996000-memory.dmp

      Filesize

      216KB

    • memory/4448-53-0x00000000072B0000-0x00000000072B8000-memory.dmp

      Filesize

      32KB

    • memory/4448-30-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/4448-27-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

      Filesize

      104KB

    • memory/4448-26-0x0000000007550000-0x0000000007BCA000-memory.dmp

      Filesize

      6.5MB

    • memory/4448-29-0x00000000070A0000-0x00000000070D2000-memory.dmp

      Filesize

      200KB

    • memory/4448-31-0x0000000070A00000-0x0000000070D54000-memory.dmp

      Filesize

      3.3MB

    • memory/4448-22-0x0000000005B20000-0x0000000005B3E000-memory.dmp

      Filesize

      120KB

    • memory/4448-25-0x0000000006E50000-0x0000000006EC6000-memory.dmp

      Filesize

      472KB

    • memory/4448-52-0x00000000072C0000-0x00000000072DA000-memory.dmp

      Filesize

      104KB

    • memory/4448-51-0x0000000007280000-0x0000000007294000-memory.dmp

      Filesize

      80KB

    • memory/4448-45-0x00000000071F0000-0x00000000071FA000-memory.dmp

      Filesize

      40KB

    • memory/4448-46-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-47-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4448-48-0x0000000007300000-0x0000000007396000-memory.dmp

      Filesize

      600KB

    • memory/4448-49-0x0000000007220000-0x0000000007231000-memory.dmp

      Filesize

      68KB

    • memory/4448-50-0x0000000007270000-0x000000000727E000-memory.dmp

      Filesize

      56KB

    • memory/4660-99-0x0000000070C00000-0x0000000070F54000-memory.dmp

      Filesize

      3.3MB

    • memory/4660-98-0x0000000070480000-0x00000000704CC000-memory.dmp

      Filesize

      304KB

    • memory/4984-2-0x0000000002E70000-0x000000000375B000-memory.dmp

      Filesize

      8.9MB

    • memory/4984-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4984-57-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4984-70-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4984-28-0x0000000002A70000-0x0000000002E69000-memory.dmp

      Filesize

      4.0MB

    • memory/4984-1-0x0000000002A70000-0x0000000002E69000-memory.dmp

      Filesize

      4.0MB

    • memory/4984-32-0x0000000002E70000-0x000000000375B000-memory.dmp

      Filesize

      8.9MB

    • memory/5108-202-0x0000000070B30000-0x0000000070E84000-memory.dmp

      Filesize

      3.3MB

    • memory/5108-201-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/5108-199-0x0000000005F40000-0x0000000006294000-memory.dmp

      Filesize

      3.3MB