Analysis

  • max time kernel
    150s
  • 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
    20-05-2024 04:11

General

  • Target

    f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed.exe

  • Size

    4.1MB

  • MD5

    5fe91888334e7f87e9fc44d33eaf9be0

  • SHA1

    cc472952110df8fc1a27f22f6d1ad3a073dfb568

  • SHA256

    f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed

  • SHA512

    52bd3104f5916e0fbba078278e46af0c9553f2d49fc6e09702c9f28d1c6274723a44fc77a37de4a998a34ecb3859127fe1506ef5de5aadaf8b6779d3a93ef933

  • SSDEEP

    98304:GQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nB:GQAQcDPYxuCJe7X5ghfB

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 4 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 6 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 4 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • 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 11 IoCs
  • Suspicious use of WriteProcessMemory 36 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\f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed.exe
    "C:\Users\Admin\AppData\Local\Temp\f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1956
    • 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:4468
    • C:\Users\Admin\AppData\Local\Temp\f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed.exe
      "C:\Users\Admin\AppData\Local\Temp\f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed.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:4752
      • 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:3628
      • 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:760
        • 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:3068
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        PID:3544
      • 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:4776
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1640
        • 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:2172
        • 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:912
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1276
          • 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:3540
          • 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:464
          • 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:4952
          • 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:1780
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3460
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2860
              • C:\Windows\SysWOW64\sc.exe
                sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
                6⤵
                • Launches sc.exe
                • Suspicious use of AdjustPrivilegeToken
                PID:2932
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      PID:4900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_153gv3mj.bpl.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

      ad9fa03764446746fa8c019ca5fb631d

      SHA1

      1b08747277fd84d3985fba5f56336ea30d956956

      SHA256

      deaa345055f9e65dc451df0b4173fb4a4a9569ed333daf9b2eb780a1de737d3b

      SHA512

      fccbf78eee3f633eb468b5ec202d58bcd04cba88cecf7247a9125463b98b3f24dca866cd2292add20d826f1257e670cc192b2068725bf0321fb79e36a93ce667

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

      Filesize

      19KB

      MD5

      0d9bf76c5eb8005e74854b014ceeddf8

      SHA1

      4c2e51c00158c47b82b6adeb06815d3bc0b9cc2c

      SHA256

      9c9dabb3aae5a9ca24e69329c7d2546d91f4d399635c09f3c2066c99f9bcd432

      SHA512

      c65d278e91ec043d9380261948ad7e5cd191af2ade711f44ceee4a8095539648678e5f59c600329d2b732b33a74efd301273e596499681fd43ca6dc74980eb20

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

      Filesize

      19KB

      MD5

      0040ae355c24c15ca2bf7c40f2808738

      SHA1

      848d806f3ae38d66f39df450c6cda07ed8d6561e

      SHA256

      9bf887b782cbf789cbc7f2fd9723c97f87631b1e64d095d36551ee81159da4f4

      SHA512

      09fa34a990bae6e3ca85f9045f9586ef6018782ea98d1ab3f8731c1182b7c1df819b342f6d9487deaaf8624a6fb42033a525c1b035110718201fe653b7883241

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

      Filesize

      19KB

      MD5

      d329c57f54e4773a3e9f4307d266713d

      SHA1

      d14f8383d1dcce3eedc5a3d0cd5d34893938611c

      SHA256

      7b8519b0a8414459fcad4e057cea48da2e0473e07526dc461ad95424cbda9fea

      SHA512

      435981882f88bc7ddf48fedb104d1db9a8a36b1af6a9c60122b7e81793ab054b76a29389fc74ac03e20921fcc7be9ba29110e62be6476c951e9e54c98971965f

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      5fe91888334e7f87e9fc44d33eaf9be0

      SHA1

      cc472952110df8fc1a27f22f6d1ad3a073dfb568

      SHA256

      f306f8ee98f47d3c97f01fc00b733bf2bcef4289930d4385e0ee18a311c646ed

      SHA512

      52bd3104f5916e0fbba078278e46af0c9553f2d49fc6e09702c9f28d1c6274723a44fc77a37de4a998a34ecb3859127fe1506ef5de5aadaf8b6779d3a93ef933

    • C:\Windows\windefender.exe

      Filesize

      2.0MB

      MD5

      8e67f58837092385dcf01e8a2b4f5783

      SHA1

      012c49cfd8c5d06795a6f67ea2baf2a082cf8625

      SHA256

      166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa

      SHA512

      40d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec

    • memory/464-173-0x0000000070A80000-0x0000000070ACC000-memory.dmp

      Filesize

      304KB

    • memory/464-174-0x0000000070C00000-0x0000000070F54000-memory.dmp

      Filesize

      3.3MB

    • memory/1640-212-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-224-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-209-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-206-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-203-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-236-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-230-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-215-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-192-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-233-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-227-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-218-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1640-221-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/1956-2-0x0000000004910000-0x00000000051FB000-memory.dmp

      Filesize

      8.9MB

    • memory/1956-1-0x0000000004500000-0x0000000004903000-memory.dmp

      Filesize

      4.0MB

    • memory/1956-190-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1956-133-0x0000000004500000-0x0000000004903000-memory.dmp

      Filesize

      4.0MB

    • memory/1956-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1956-134-0x0000000004910000-0x00000000051FB000-memory.dmp

      Filesize

      8.9MB

    • memory/1956-132-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/2172-122-0x0000000070CE0000-0x0000000071034000-memory.dmp

      Filesize

      3.3MB

    • memory/2172-121-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/3460-197-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/3460-201-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/3540-148-0x0000000070A80000-0x0000000070ACC000-memory.dmp

      Filesize

      304KB

    • memory/3540-145-0x0000000006310000-0x0000000006664000-memory.dmp

      Filesize

      3.3MB

    • memory/3540-147-0x00000000067B0000-0x00000000067FC000-memory.dmp

      Filesize

      304KB

    • memory/3540-149-0x0000000070C00000-0x0000000070F54000-memory.dmp

      Filesize

      3.3MB

    • memory/3540-159-0x00000000079B0000-0x0000000007A53000-memory.dmp

      Filesize

      652KB

    • memory/3540-160-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

      Filesize

      68KB

    • memory/3540-161-0x0000000006160000-0x0000000006174000-memory.dmp

      Filesize

      80KB

    • memory/3628-66-0x00000000712E0000-0x0000000071634000-memory.dmp

      Filesize

      3.3MB

    • memory/3628-76-0x0000000006CA0000-0x0000000006D43000-memory.dmp

      Filesize

      652KB

    • memory/3628-77-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

      Filesize

      68KB

    • memory/3628-78-0x0000000007000000-0x0000000007014000-memory.dmp

      Filesize

      80KB

    • memory/3628-65-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/3628-64-0x0000000005480000-0x00000000057D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4468-30-0x0000000070CE0000-0x0000000071034000-memory.dmp

      Filesize

      3.3MB

    • memory/4468-29-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/4468-4-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

      Filesize

      4KB

    • memory/4468-5-0x0000000004FC0000-0x0000000004FF6000-memory.dmp

      Filesize

      216KB

    • memory/4468-53-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-50-0x0000000007D10000-0x0000000007D18000-memory.dmp

      Filesize

      32KB

    • memory/4468-49-0x0000000007D20000-0x0000000007D3A000-memory.dmp

      Filesize

      104KB

    • memory/4468-48-0x0000000007CE0000-0x0000000007CF4000-memory.dmp

      Filesize

      80KB

    • memory/4468-47-0x0000000007CD0000-0x0000000007CDE000-memory.dmp

      Filesize

      56KB

    • memory/4468-46-0x0000000007C90000-0x0000000007CA1000-memory.dmp

      Filesize

      68KB

    • memory/4468-45-0x0000000008430000-0x00000000084C6000-memory.dmp

      Filesize

      600KB

    • memory/4468-44-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-43-0x0000000007C70000-0x0000000007C7A000-memory.dmp

      Filesize

      40KB

    • memory/4468-42-0x0000000007B80000-0x0000000007C23000-memory.dmp

      Filesize

      652KB

    • memory/4468-41-0x0000000007B60000-0x0000000007B7E000-memory.dmp

      Filesize

      120KB

    • memory/4468-28-0x0000000007B20000-0x0000000007B52000-memory.dmp

      Filesize

      200KB

    • memory/4468-31-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-6-0x0000000005640000-0x0000000005C68000-memory.dmp

      Filesize

      6.2MB

    • memory/4468-27-0x0000000007760000-0x000000000777A000-memory.dmp

      Filesize

      104KB

    • memory/4468-26-0x0000000007DB0000-0x000000000842A000-memory.dmp

      Filesize

      6.5MB

    • memory/4468-7-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-25-0x00000000076B0000-0x0000000007726000-memory.dmp

      Filesize

      472KB

    • memory/4468-24-0x00000000069A0000-0x00000000069E4000-memory.dmp

      Filesize

      272KB

    • memory/4468-8-0x0000000074CC0000-0x0000000075470000-memory.dmp

      Filesize

      7.7MB

    • memory/4468-23-0x00000000065F0000-0x000000000663C000-memory.dmp

      Filesize

      304KB

    • memory/4468-22-0x0000000006590000-0x00000000065AE000-memory.dmp

      Filesize

      120KB

    • memory/4468-9-0x00000000054D0000-0x00000000054F2000-memory.dmp

      Filesize

      136KB

    • memory/4468-21-0x0000000005FB0000-0x0000000006304000-memory.dmp

      Filesize

      3.3MB

    • memory/4468-10-0x0000000005DE0000-0x0000000005E46000-memory.dmp

      Filesize

      408KB

    • memory/4468-11-0x0000000005F40000-0x0000000005FA6000-memory.dmp

      Filesize

      408KB

    • memory/4752-108-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/4776-93-0x0000000070B60000-0x0000000070BAC000-memory.dmp

      Filesize

      304KB

    • memory/4776-94-0x00000000712E0000-0x0000000071634000-memory.dmp

      Filesize

      3.3MB

    • memory/4900-210-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4900-204-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/4900-199-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB