Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 21:58

General

  • Target

    JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe

  • Size

    4.2MB

  • MD5

    9baf237ad5f0ffb7a3d711f4fa053a74

  • SHA1

    2a73e1a6a1b9a246506f52dc832587f7c1fc671c

  • SHA256

    774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1

  • SHA512

    cbf5910b1234e812aa3fec86d8dec0ae1293b1e0a47c8d437021ce46e1ac2b3027f8b761758a93055747a14ca2153cad6eb0df098517ec5c0b910ce8fbeb81c2

  • SSDEEP

    98304:gsRcNuB8Itle9glkMIku3afIOxmZPY9+ud1wcGNOYk:KItfqlrafCPW1mfk

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.

  • 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\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe
    "C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3460
    • 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:856
    • C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.exe
      "C:\Users\Admin\AppData\Local\Temp\JC_774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1.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:4392
      • 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:936
      • 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:4496
        • 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:3512
      • 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:4060
      • 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:116
      • 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:3052
        • 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:4752
        • 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:2800
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4220
          • 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:856
          • 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:3652
          • 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:2696
          • 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:1556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ckoflo0.rgu.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

      0c77d3b3452d1af87b3093027559244a

      SHA1

      4681a0a204f34f2203b775990d80ec58bb512a6f

      SHA256

      12c09021b66355f3c3c5627fe1b1c078cb04dbd249852c4767d33c08481fda17

      SHA512

      e9269f515d29cf535f6eaa7a2a655adf489c8d648a901ddf0797c7a8e4f96b2d7b0737545d36a12cf3aa9ca4362873334d22f501fbd9e9af1fe3dd03f0b3f695

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

      Filesize

      19KB

      MD5

      28704baf009d5cba9d5fd0f0a22e7f31

      SHA1

      aee7e845ae9115299af0ce7f543dca1e3a183ce7

      SHA256

      ee1ff7407311fc47c005f1222a894059f7839ef7bed0ccd08c370744cfc3fb66

      SHA512

      62d39963b006a322586680a1eeddaeaf2b235625d9b3786b91984848b8c69f341d8534ab568062acdf9903a9402a4f0e771b7d28bcf6bf83b9e9de479dbd08b7

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

      Filesize

      19KB

      MD5

      4ed800fbb1730fe4434f0c6fdbc3d1b1

      SHA1

      e25e182f5a26ad87e3f456f101a9d585b53c83f0

      SHA256

      99a371d66fd03da0f278c2817f6f1353acac384eda758cef6400ebd12414b6a6

      SHA512

      3001303c1c7a56d0b3c00f3ba33163133b43c4a53cb124560503b53ebaa8e7af6c38bf5caf8c1eefba1578a4f06ecc9bbb181d389541e212ffcbf79cdcdf7d0a

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

      Filesize

      19KB

      MD5

      ee2bdb0a6936dd928d9d1f8433b4a58f

      SHA1

      13cde695fac4962a6d106cf78fbf0afb82691adb

      SHA256

      a4957fadf4c5f19efae96ffc8fbb119a0e5afcb3ed5767e8f2864c7df016ee95

      SHA512

      1d505896851493fe51b6fb67f2618df26efc92575de1b5e33456e83605861c3696df7add977c29aa55de1974679183fb5ea5ccc849a31edc8b788f386f12f615

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

      Filesize

      19KB

      MD5

      4784258dc8a42f0a2324691ba659358a

      SHA1

      2a0d82acc97787062bc7c6028088e511456b112c

      SHA256

      c3f805fcd763e088c1be496d2c2873cba83c13b452c3a94d80a39ba5cfa351bb

      SHA512

      33652c692f503601346dc3070062318ba2fd55fd1fc9aaedb6154445d5a3741c5573819d77945fd560cc03e3663d0887ee16690ab96fb171410b79922389109c

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      9baf237ad5f0ffb7a3d711f4fa053a74

      SHA1

      2a73e1a6a1b9a246506f52dc832587f7c1fc671c

      SHA256

      774039a0e206687d722ddec0fdb49ba5eb23617733361b45251b9a5216bcf9c1

      SHA512

      cbf5910b1234e812aa3fec86d8dec0ae1293b1e0a47c8d437021ce46e1ac2b3027f8b761758a93055747a14ca2153cad6eb0df098517ec5c0b910ce8fbeb81c2

    • memory/116-119-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

      Filesize

      304KB

    • memory/116-120-0x00000000713A0000-0x00000000716F4000-memory.dmp

      Filesize

      3.3MB

    • memory/116-117-0x0000000005E30000-0x0000000006184000-memory.dmp

      Filesize

      3.3MB

    • memory/856-174-0x0000000006CB0000-0x0000000006CFC000-memory.dmp

      Filesize

      304KB

    • memory/856-8-0x0000000005990000-0x00000000059B2000-memory.dmp

      Filesize

      136KB

    • memory/856-22-0x00000000068E0000-0x000000000692C000-memory.dmp

      Filesize

      304KB

    • memory/856-23-0x0000000006DD0000-0x0000000006E14000-memory.dmp

      Filesize

      272KB

    • memory/856-24-0x0000000007960000-0x00000000079D6000-memory.dmp

      Filesize

      472KB

    • memory/856-26-0x0000000007C00000-0x0000000007C1A000-memory.dmp

      Filesize

      104KB

    • memory/856-25-0x0000000008260000-0x00000000088DA000-memory.dmp

      Filesize

      6.5MB

    • memory/856-28-0x0000000007DC0000-0x0000000007DF2000-memory.dmp

      Filesize

      200KB

    • memory/856-29-0x0000000070CB0000-0x0000000070CFC000-memory.dmp

      Filesize

      304KB

    • memory/856-27-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/856-30-0x0000000071430000-0x0000000071784000-memory.dmp

      Filesize

      3.3MB

    • memory/856-40-0x0000000007E00000-0x0000000007E1E000-memory.dmp

      Filesize

      120KB

    • memory/856-41-0x0000000007E20000-0x0000000007EC3000-memory.dmp

      Filesize

      652KB

    • memory/856-42-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/856-43-0x0000000007F10000-0x0000000007F1A000-memory.dmp

      Filesize

      40KB

    • memory/856-44-0x0000000007FD0000-0x0000000008066000-memory.dmp

      Filesize

      600KB

    • memory/856-45-0x0000000007F30000-0x0000000007F41000-memory.dmp

      Filesize

      68KB

    • memory/856-46-0x0000000007F70000-0x0000000007F7E000-memory.dmp

      Filesize

      56KB

    • memory/856-47-0x0000000007F80000-0x0000000007F94000-memory.dmp

      Filesize

      80KB

    • memory/856-48-0x0000000008070000-0x000000000808A000-memory.dmp

      Filesize

      104KB

    • memory/856-49-0x0000000007FB0000-0x0000000007FB8000-memory.dmp

      Filesize

      32KB

    • memory/856-52-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/856-188-0x0000000006200000-0x0000000006214000-memory.dmp

      Filesize

      80KB

    • memory/856-187-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

      Filesize

      68KB

    • memory/856-176-0x0000000070DB0000-0x0000000071104000-memory.dmp

      Filesize

      3.3MB

    • memory/856-186-0x0000000007980000-0x0000000007A23000-memory.dmp

      Filesize

      652KB

    • memory/856-175-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/856-3-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

      Filesize

      4KB

    • memory/856-172-0x0000000006260000-0x00000000065B4000-memory.dmp

      Filesize

      3.3MB

    • memory/856-4-0x0000000002F10000-0x0000000002F46000-memory.dmp

      Filesize

      216KB

    • memory/856-6-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/856-5-0x0000000005C40000-0x0000000006268000-memory.dmp

      Filesize

      6.2MB

    • memory/856-7-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/856-16-0x0000000006270000-0x00000000065C4000-memory.dmp

      Filesize

      3.3MB

    • memory/856-21-0x0000000006840000-0x000000000685E000-memory.dmp

      Filesize

      120KB

    • memory/856-10-0x0000000005AA0000-0x0000000005B06000-memory.dmp

      Filesize

      408KB

    • memory/856-9-0x0000000005A30000-0x0000000005A96000-memory.dmp

      Filesize

      408KB

    • memory/936-68-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

      Filesize

      304KB

    • memory/936-67-0x0000000006910000-0x000000000695C000-memory.dmp

      Filesize

      304KB

    • memory/936-69-0x00000000711A0000-0x00000000714F4000-memory.dmp

      Filesize

      3.3MB

    • memory/936-81-0x0000000007E20000-0x0000000007E34000-memory.dmp

      Filesize

      80KB

    • memory/936-80-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

      Filesize

      68KB

    • memory/936-79-0x0000000007AC0000-0x0000000007B63000-memory.dmp

      Filesize

      652KB

    • memory/936-66-0x00000000062A0000-0x00000000065F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3052-220-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-219-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-230-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-227-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-224-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-223-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-222-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-221-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-212-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-225-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-226-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-228-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3052-229-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3460-56-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3460-0-0x0000000004630000-0x0000000004A28000-memory.dmp

      Filesize

      4.0MB

    • memory/3460-54-0x0000000004A30000-0x000000000531B000-memory.dmp

      Filesize

      8.9MB

    • memory/3460-53-0x0000000004630000-0x0000000004A28000-memory.dmp

      Filesize

      4.0MB

    • memory/3460-2-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/3460-55-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/3460-1-0x0000000004A30000-0x000000000531B000-memory.dmp

      Filesize

      8.9MB

    • memory/3652-202-0x00000000713C0000-0x0000000071714000-memory.dmp

      Filesize

      3.3MB

    • memory/3652-201-0x0000000070C30000-0x0000000070C7C000-memory.dmp

      Filesize

      304KB

    • memory/3652-199-0x0000000006170000-0x00000000064C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4060-96-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

      Filesize

      304KB

    • memory/4060-97-0x0000000071570000-0x00000000718C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4060-85-0x00000000060A0000-0x00000000063F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4392-134-0x0000000000400000-0x0000000002817000-memory.dmp

      Filesize

      36.1MB

    • memory/4752-161-0x0000000006280000-0x0000000006294000-memory.dmp

      Filesize

      80KB

    • memory/4752-148-0x0000000070D10000-0x0000000070D5C000-memory.dmp

      Filesize

      304KB

    • memory/4752-147-0x00000000064E0000-0x000000000652C000-memory.dmp

      Filesize

      304KB

    • memory/4752-145-0x0000000005E00000-0x0000000006154000-memory.dmp

      Filesize

      3.3MB

    • memory/4752-159-0x0000000007710000-0x00000000077B3000-memory.dmp

      Filesize

      652KB

    • memory/4752-149-0x00000000714B0000-0x0000000071804000-memory.dmp

      Filesize

      3.3MB

    • memory/4752-160-0x0000000007A10000-0x0000000007A21000-memory.dmp

      Filesize

      68KB