Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2024 18:56

General

  • Target

    328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe

  • Size

    4.1MB

  • MD5

    21df1d8ce909a600068e621884320c3f

  • SHA1

    69cec71bbe2902683cfb90dc5dcddc90de9606a7

  • SHA256

    328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d

  • SHA512

    714d4b440cd97b8c12afdb06c894bc3ad891823a712d347ca68479bce33f5042d4a80137a986cf12949d802757111d21e0761f96d51f7ccb828f40a6f9d23901

  • SSDEEP

    98304:Ox34CiKzvjm7SLtMZTm7LASnwWEuCSeZHe31O6Y/qHYq9Pe:OB4yzvjmEtMf+wT3Us6Y/qHYK

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 15 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.

  • Program crash 1 IoCs
  • 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\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe
    "C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3656
    • 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:2084
    • C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe
      "C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.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:1620
      • 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:2008
      • 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:2304
        • 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:4496
      • 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:4676
      • 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:4692
      • 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:1444
        • 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:3548
        • 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:1136
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4908
          • 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:2200
          • 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:1392
          • 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:2284
          • 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:2044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 772
        2⤵
        • Program crash
        PID:3968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3656 -ip 3656
      1⤵
        PID:3832

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yrna1haa.mvw.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

        1dc45fdd593dd1ac878de277e4c7dc03

        SHA1

        9c0ec558abe61772437145315e298bc9b4f13717

        SHA256

        867a9d0738235ccdea0c7acf00d22126297d1e05ba3483db8adb727153b1a7f6

        SHA512

        98e9163f1621e0e4ebbece6f8e1d217424c5211b09eea11c500cc66e26220549a98ee3e750ac02b0f2d9353cdeedbde0b757f5fa7fdda319aa46fed0b6836e6a

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

        Filesize

        19KB

        MD5

        71c889fccc5cd49fd8e7ef7d56785594

        SHA1

        a1a21b87e1bb29b53d35ff06527f6456bc1122ea

        SHA256

        7737d615fb940cf6734a917439b2ea0d6bf3ae8296426c55625a0cd17c1eda8c

        SHA512

        26759fabf10b9a9b511c8c2c453fa92d81fb74fd76e9655966dc2f4e45c95b0b91922ed7d4a8e221358ac229f72665283227f8dd5609c0e4cc7c678fd2ffada3

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

        Filesize

        19KB

        MD5

        a0e8e02c780f5aca8750aee28c95f0f6

        SHA1

        4fc2acd88d5c625b2f7ab5565892444d5558de4f

        SHA256

        01db38d2bb8e8476b55b381c915102bbce1df45351da0cb04feda5c5b9ce1645

        SHA512

        aa53e99fe40238dfdf7224042b690bae307f903718f347fa4a7ec62e3f75268bc5559fcf1388e235bea5c56ad5093a0dd5339bde417d5574bedf3cfa9624a37c

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

        Filesize

        19KB

        MD5

        5c0b302552c8979c1338d24c18271337

        SHA1

        50e7257ffd3277512fcb64ba28c1624c6a36ea6b

        SHA256

        3e8b13861b7ee37a3ffee3c0444a1a6ab72081b76ff938fd9de3aaa03bea8240

        SHA512

        92e29365f4432e6cbf5ea3b7f57d85a56b423b4a350f2a27bf322aa052e08a19089c059e51f7c4f2bcc773532102f2579cf7e56e71564fda464797d2df8e22ef

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

        Filesize

        19KB

        MD5

        b386fe9c4fed049772cf23450d8d3619

        SHA1

        7cebc07c0ca3a0586ad5cc23df84eaf481fec064

        SHA256

        f1bc1aba67552c317d959b8c1027bc948a3b14c4a0b2ecf54d82bd03c3cde8ec

        SHA512

        2e4cefaa30d9e22f0a6635fa6bdf18e87883f201af66d5f3861432cda03443b45f90834e7bf349d4ecb4b0d0658a6603261a13058ecbe4c83efa8159a9ab563d

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        21df1d8ce909a600068e621884320c3f

        SHA1

        69cec71bbe2902683cfb90dc5dcddc90de9606a7

        SHA256

        328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d

        SHA512

        714d4b440cd97b8c12afdb06c894bc3ad891823a712d347ca68479bce33f5042d4a80137a986cf12949d802757111d21e0761f96d51f7ccb828f40a6f9d23901

      • memory/1392-200-0x0000000070AE0000-0x0000000070B2C000-memory.dmp

        Filesize

        304KB

      • memory/1392-201-0x0000000070C60000-0x0000000070FB4000-memory.dmp

        Filesize

        3.3MB

      • memory/1444-224-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-222-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-211-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-218-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-219-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-220-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-227-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-226-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-225-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-221-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-228-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1444-223-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1620-127-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1620-132-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1620-53-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/1620-134-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/2008-66-0x0000000070DF0000-0x0000000071144000-memory.dmp

        Filesize

        3.3MB

      • memory/2008-64-0x0000000006910000-0x000000000695C000-memory.dmp

        Filesize

        304KB

      • memory/2008-78-0x0000000007AD0000-0x0000000007AE4000-memory.dmp

        Filesize

        80KB

      • memory/2008-77-0x0000000007A80000-0x0000000007A91000-memory.dmp

        Filesize

        68KB

      • memory/2008-76-0x0000000007810000-0x00000000078B3000-memory.dmp

        Filesize

        652KB

      • memory/2008-65-0x0000000070C60000-0x0000000070CAC000-memory.dmp

        Filesize

        304KB

      • memory/2008-63-0x0000000006030000-0x0000000006384000-memory.dmp

        Filesize

        3.3MB

      • memory/2084-14-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

        Filesize

        3.3MB

      • memory/2084-39-0x00000000076B0000-0x0000000007753000-memory.dmp

        Filesize

        652KB

      • memory/2084-21-0x0000000006670000-0x00000000066B4000-memory.dmp

        Filesize

        272KB

      • memory/2084-44-0x0000000007810000-0x0000000007824000-memory.dmp

        Filesize

        80KB

      • memory/2084-45-0x0000000007850000-0x000000000786A000-memory.dmp

        Filesize

        104KB

      • memory/2084-49-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-20-0x0000000006150000-0x000000000619C000-memory.dmp

        Filesize

        304KB

      • memory/2084-42-0x00000000077B0000-0x00000000077C1000-memory.dmp

        Filesize

        68KB

      • memory/2084-19-0x00000000060D0000-0x00000000060EE000-memory.dmp

        Filesize

        120KB

      • memory/2084-41-0x00000000078B0000-0x0000000007946000-memory.dmp

        Filesize

        600KB

      • memory/2084-46-0x0000000007840000-0x0000000007848000-memory.dmp

        Filesize

        32KB

      • memory/2084-40-0x00000000077A0000-0x00000000077AA000-memory.dmp

        Filesize

        40KB

      • memory/2084-7-0x00000000051A0000-0x0000000005206000-memory.dmp

        Filesize

        408KB

      • memory/2084-43-0x00000000077F0000-0x00000000077FE000-memory.dmp

        Filesize

        56KB

      • memory/2084-38-0x0000000007690000-0x00000000076AE000-memory.dmp

        Filesize

        120KB

      • memory/2084-28-0x00000000712E0000-0x0000000071634000-memory.dmp

        Filesize

        3.3MB

      • memory/2084-8-0x0000000005310000-0x0000000005376000-memory.dmp

        Filesize

        408KB

      • memory/2084-27-0x0000000070B60000-0x0000000070BAC000-memory.dmp

        Filesize

        304KB

      • memory/2084-26-0x0000000007650000-0x0000000007682000-memory.dmp

        Filesize

        200KB

      • memory/2084-25-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-6-0x0000000005100000-0x0000000005122000-memory.dmp

        Filesize

        136KB

      • memory/2084-23-0x0000000007B10000-0x000000000818A000-memory.dmp

        Filesize

        6.5MB

      • memory/2084-24-0x0000000007490000-0x00000000074AA000-memory.dmp

        Filesize

        104KB

      • memory/2084-5-0x0000000005470000-0x0000000005A98000-memory.dmp

        Filesize

        6.2MB

      • memory/2084-22-0x0000000007410000-0x0000000007486000-memory.dmp

        Filesize

        472KB

      • memory/2084-4-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/2084-3-0x0000000002790000-0x00000000027C6000-memory.dmp

        Filesize

        216KB

      • memory/2084-2-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/2200-174-0x00000000064B0000-0x00000000064FC000-memory.dmp

        Filesize

        304KB

      • memory/2200-172-0x0000000005B30000-0x0000000005E84000-memory.dmp

        Filesize

        3.3MB

      • memory/2200-175-0x0000000070AE0000-0x0000000070B2C000-memory.dmp

        Filesize

        304KB

      • memory/2200-176-0x0000000070C60000-0x0000000070FB4000-memory.dmp

        Filesize

        3.3MB

      • memory/2200-186-0x0000000007190000-0x0000000007233000-memory.dmp

        Filesize

        652KB

      • memory/2200-187-0x0000000007560000-0x0000000007571000-memory.dmp

        Filesize

        68KB

      • memory/2200-188-0x00000000059C0000-0x00000000059D4000-memory.dmp

        Filesize

        80KB

      • memory/3548-149-0x0000000071360000-0x00000000716B4000-memory.dmp

        Filesize

        3.3MB

      • memory/3548-138-0x0000000005EE0000-0x0000000006234000-memory.dmp

        Filesize

        3.3MB

      • memory/3548-160-0x0000000007AD0000-0x0000000007AE1000-memory.dmp

        Filesize

        68KB

      • memory/3548-159-0x0000000007740000-0x00000000077E3000-memory.dmp

        Filesize

        652KB

      • memory/3548-161-0x0000000005700000-0x0000000005714000-memory.dmp

        Filesize

        80KB

      • memory/3548-148-0x0000000070BC0000-0x0000000070C0C000-memory.dmp

        Filesize

        304KB

      • memory/3548-147-0x0000000006A50000-0x0000000006A9C000-memory.dmp

        Filesize

        304KB

      • memory/3656-1-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/3656-51-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3656-52-0x00007FF8EF130000-0x00007FF8EF325000-memory.dmp

        Filesize

        2.0MB

      • memory/4676-93-0x0000000070C60000-0x0000000070CAC000-memory.dmp

        Filesize

        304KB

      • memory/4676-94-0x0000000071080000-0x00000000713D4000-memory.dmp

        Filesize

        3.3MB

      • memory/4676-91-0x0000000006110000-0x0000000006464000-memory.dmp

        Filesize

        3.3MB

      • memory/4692-117-0x0000000070DE0000-0x0000000071134000-memory.dmp

        Filesize

        3.3MB

      • memory/4692-116-0x0000000070C60000-0x0000000070CAC000-memory.dmp

        Filesize

        304KB

      • memory/4692-114-0x0000000005FA0000-0x00000000062F4000-memory.dmp

        Filesize

        3.3MB