Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:24

General

  • Target

    6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe

  • Size

    4.1MB

  • MD5

    049e0e0c590c3d9f4f5686e1ff193360

  • SHA1

    a7ba083743090df0892d5a623d20bb2f65e1317b

  • SHA256

    6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f

  • SHA512

    836e521676d3605016a7fa69e7bb90c546168a3d46ecb1f27b91b74ae6408a228e45dbbb6d754ba120deb15dadb566c7a078741363ad47b7cdb948405e6a1118

  • SSDEEP

    98304:AZ9bi3QNEOtUId2petU9sYIhWVMAA4+H7:p303UIApyYIhWVMEi

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\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe
    "C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2488
    • 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:5064
    • C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.exe
      "C:\Users\Admin\AppData\Local\Temp\6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f.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:3516
      • 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:3132
      • 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:2828
        • 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:4076
      • 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:5112
      • 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:4792
      • 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:2692
        • 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:4388
        • 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:4340
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3560
          • 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:4348
          • 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:516
          • 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:4492
          • 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:2312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tx1jcait.zfu.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

      4af027964c1e2d886b7eb8b0e2bd033d

      SHA1

      6506c537af54cec971e16fb627b68d514f862939

      SHA256

      92accf9523b2b247ce6a63fc166fe5fabcdbd986a4992203d1d765f4a6bd87dd

      SHA512

      8a446afbebb841b48bbc04ad58a3d90a7d3c8b4d257c3014bf54e54c0ce116152d2026fcb4613905567d49af08451ccd96efca4bc45b1dc8d02d94443639a034

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

      Filesize

      19KB

      MD5

      3308f391ae916021cea4a506d4cd6b22

      SHA1

      0e98512154ca35b8eb942bb638a3f97db56ac43d

      SHA256

      667b0177482237f47bd74c104ac1ae3996a369182d39f43bfe921cc86c01abc9

      SHA512

      7d4298071d346972a01c695e06d7561d30becec6dbfafd5c4f5469b4d9aa798f9f2377f6f75bba63069424e856a65e4446dfacbdb4b8a13847ae4ea2fe20733a

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

      Filesize

      19KB

      MD5

      c8e9aa99891f07db360bd4551e3ada72

      SHA1

      d3ae473309ce1472468e234917877a4af67e923e

      SHA256

      3aecf25c2c7e5386fcdd68876fe40c28bbf6ed9170c14f612066785133ec7887

      SHA512

      428e2fe347cf5d3cfccaeedf8bc8aefe3ba9aafeb3041d475904de4a76761dd5895ce75ed695c5d763674e33139b11c5e8f99a301132fb657922d140eda5c20b

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

      Filesize

      19KB

      MD5

      a34ddfcfb693fb79be7b02232a5ed03f

      SHA1

      ff380db093944c4c1af0dd985776fae74c5b2893

      SHA256

      264f61d5cedc8e56a87a1ca3cc73498cd078edd5a22b40de3d0c7be7d6c8900a

      SHA512

      e979597a1977e782a778801b50f09cd668dd5bc2508a25f374be06c88c2c07fd8893349512948b6a63387c061c3a6981dfc7ab659636831a1ce452008a43f46f

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

      Filesize

      19KB

      MD5

      49ed96150a73b77d0c93cb5052094aa1

      SHA1

      924d2c6b0b530151f953756a41d0060702a2366b

      SHA256

      437b750a420e385b6cd9d315fdfaa0dff792ce6972c62d50439a15700a358f9d

      SHA512

      fcbeb067cff179f481bdead46cab527b69f1d8c37b932930467c1eab031c7cebb24af566dda9574b9d3005db144cc54bb1ec8c522f498cef18bc9984fda82ee4

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      049e0e0c590c3d9f4f5686e1ff193360

      SHA1

      a7ba083743090df0892d5a623d20bb2f65e1317b

      SHA256

      6ca8204ead69cc097d1c38a76cb808aca1b799c79eda40fc279e05b5cce15e6f

      SHA512

      836e521676d3605016a7fa69e7bb90c546168a3d46ecb1f27b91b74ae6408a228e45dbbb6d754ba120deb15dadb566c7a078741363ad47b7cdb948405e6a1118

    • memory/516-190-0x0000000006020000-0x0000000006374000-memory.dmp

      Filesize

      3.3MB

    • memory/516-195-0x0000000070770000-0x00000000707BC000-memory.dmp

      Filesize

      304KB

    • memory/516-196-0x0000000070F20000-0x0000000071274000-memory.dmp

      Filesize

      3.3MB

    • memory/2488-155-0x0000000004B80000-0x000000000546B000-memory.dmp

      Filesize

      8.9MB

    • memory/2488-1-0x0000000004770000-0x0000000004B75000-memory.dmp

      Filesize

      4.0MB

    • memory/2488-2-0x0000000004B80000-0x000000000546B000-memory.dmp

      Filesize

      8.9MB

    • memory/2488-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2488-103-0x0000000004770000-0x0000000004B75000-memory.dmp

      Filesize

      4.0MB

    • memory/2488-154-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2488-213-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2692-227-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-245-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-233-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-236-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-239-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-224-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-242-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-221-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-218-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-230-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-248-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-251-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2692-215-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/3132-78-0x0000000007D20000-0x0000000007D34000-memory.dmp

      Filesize

      80KB

    • memory/3132-60-0x0000000005F80000-0x00000000062D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3132-65-0x0000000070850000-0x000000007089C000-memory.dmp

      Filesize

      304KB

    • memory/3132-76-0x00000000079A0000-0x0000000007A43000-memory.dmp

      Filesize

      652KB

    • memory/3132-66-0x0000000070FF0000-0x0000000071344000-memory.dmp

      Filesize

      3.3MB

    • memory/3132-77-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

      Filesize

      68KB

    • memory/3516-212-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4348-170-0x0000000070F00000-0x0000000071254000-memory.dmp

      Filesize

      3.3MB

    • memory/4348-182-0x0000000006630000-0x0000000006644000-memory.dmp

      Filesize

      80KB

    • memory/4348-181-0x0000000007D90000-0x0000000007DA1000-memory.dmp

      Filesize

      68KB

    • memory/4348-180-0x0000000007AB0000-0x0000000007B53000-memory.dmp

      Filesize

      652KB

    • memory/4348-169-0x0000000070770000-0x00000000707BC000-memory.dmp

      Filesize

      304KB

    • memory/4348-168-0x0000000006910000-0x000000000695C000-memory.dmp

      Filesize

      304KB

    • memory/4348-157-0x0000000006170000-0x00000000064C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4388-143-0x0000000070850000-0x000000007089C000-memory.dmp

      Filesize

      304KB

    • memory/4388-144-0x00000000709D0000-0x0000000070D24000-memory.dmp

      Filesize

      3.3MB

    • memory/4792-105-0x0000000005770000-0x0000000005AC4000-memory.dmp

      Filesize

      3.3MB

    • memory/4792-117-0x0000000070FD0000-0x0000000071324000-memory.dmp

      Filesize

      3.3MB

    • memory/4792-116-0x0000000070850000-0x000000007089C000-memory.dmp

      Filesize

      304KB

    • memory/5064-31-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-22-0x0000000005C80000-0x0000000005C9E000-memory.dmp

      Filesize

      120KB

    • memory/5064-45-0x0000000007460000-0x00000000074F6000-memory.dmp

      Filesize

      600KB

    • memory/5064-44-0x0000000007350000-0x000000000735A000-memory.dmp

      Filesize

      40KB

    • memory/5064-47-0x00000000073A0000-0x00000000073AE000-memory.dmp

      Filesize

      56KB

    • memory/5064-43-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-48-0x00000000073C0000-0x00000000073D4000-memory.dmp

      Filesize

      80KB

    • memory/5064-49-0x0000000007400000-0x000000000741A000-memory.dmp

      Filesize

      104KB

    • memory/5064-4-0x00000000749BE000-0x00000000749BF000-memory.dmp

      Filesize

      4KB

    • memory/5064-53-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-5-0x00000000046B0000-0x00000000046E6000-memory.dmp

      Filesize

      216KB

    • memory/5064-50-0x00000000073F0000-0x00000000073F8000-memory.dmp

      Filesize

      32KB

    • memory/5064-41-0x0000000007240000-0x000000000725E000-memory.dmp

      Filesize

      120KB

    • memory/5064-42-0x0000000007260000-0x0000000007303000-memory.dmp

      Filesize

      652KB

    • memory/5064-29-0x0000000070850000-0x000000007089C000-memory.dmp

      Filesize

      304KB

    • memory/5064-30-0x00000000709D0000-0x0000000070D24000-memory.dmp

      Filesize

      3.3MB

    • memory/5064-28-0x0000000007200000-0x0000000007232000-memory.dmp

      Filesize

      200KB

    • memory/5064-26-0x00000000076A0000-0x0000000007D1A000-memory.dmp

      Filesize

      6.5MB

    • memory/5064-27-0x0000000007040000-0x000000000705A000-memory.dmp

      Filesize

      104KB

    • memory/5064-25-0x0000000006FA0000-0x0000000007016000-memory.dmp

      Filesize

      472KB

    • memory/5064-24-0x00000000061F0000-0x0000000006234000-memory.dmp

      Filesize

      272KB

    • memory/5064-23-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

      Filesize

      304KB

    • memory/5064-46-0x0000000007360000-0x0000000007371000-memory.dmp

      Filesize

      68KB

    • memory/5064-21-0x0000000005670000-0x00000000059C4000-memory.dmp

      Filesize

      3.3MB

    • memory/5064-10-0x0000000005570000-0x00000000055D6000-memory.dmp

      Filesize

      408KB

    • memory/5064-11-0x00000000055E0000-0x0000000005646000-memory.dmp

      Filesize

      408KB

    • memory/5064-9-0x0000000005400000-0x0000000005422000-memory.dmp

      Filesize

      136KB

    • memory/5064-8-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-7-0x00000000749B0000-0x0000000075160000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-6-0x0000000004DD0000-0x00000000053F8000-memory.dmp

      Filesize

      6.2MB

    • memory/5112-93-0x0000000070FF0000-0x0000000071344000-memory.dmp

      Filesize

      3.3MB

    • memory/5112-92-0x0000000070850000-0x000000007089C000-memory.dmp

      Filesize

      304KB