Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2024, 12:40

General

  • Target

    b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe

  • Size

    4.1MB

  • MD5

    ff9e6711f26fb3c5be35d8777d0110c9

  • SHA1

    ca853fa75d22fd6cd2aa329064376385722be45b

  • SHA256

    b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca

  • SHA512

    56724181be49358eceb408b4f6c5bc4c0ee2cb6887772668c9b4ed25c100fd6c38c7990777816ccb08efaf33896c7ff65e2f208a5d8d869164653f4935488f09

  • SSDEEP

    98304:El9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+ty:pT3oWlQMUAMlWxj+ty

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 18 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\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe
    "C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:512
    • 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:4296
    • C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.exe
      "C:\Users\Admin\AppData\Local\Temp\b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca.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:4068
      • 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:3036
      • 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:1132
        • 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:3368
      • 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:3144
      • 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:536
      • 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:3508
        • 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:1336
        • 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:1244
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2036
          • 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:3032
          • 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:3960
          • 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:404
          • 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:3992
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:8
      1⤵
        PID:2092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n4se3i0r.pm2.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

        d99f397ed11579526896f62e22f072ff

        SHA1

        68ad2ecc17736b682cab5690aa2d591b9934a690

        SHA256

        8ce55ea2a299ad4dd6245665c81b6ceb2a6cf82acf13d413a56649d521a1aa98

        SHA512

        1f042bf7ff607f69d5b14afd768756415c04c206a511febdbb9e3b5d4d5e768bb8f0af03a3fe075c259fb88673ffb7407617068a621c83a21e938d7a20069271

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

        Filesize

        19KB

        MD5

        887c6d824fbcacf6a2e5ecf388fc3bc8

        SHA1

        d8c1c3e5f5fe6644181935df9196e1607859d034

        SHA256

        1c3095841552d5523628b887f4c16cb455db1a84407b9cb24b9a1ac179731d26

        SHA512

        e636ffa19ee5a8b856c13bd74a6756ca68c7549dadf96c501552b76b44e89656609eaea5fddd3eca7b0f3e0a1c412d5692f83f81123b96876fe1746be0819add

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

        Filesize

        19KB

        MD5

        66bdcf05ad1dd568608bc40538dde9eb

        SHA1

        ff0afe6f46f489e73be10f93dc8145664ec0435e

        SHA256

        e268c3b5e040bb6c143df0f0e75a296bc1ca80a8a2efb39a4cd95729bb7a555e

        SHA512

        a2ce80d606523fb19d78c9ae0206ea35b999bf94ab1cf4f3d1be2782f02df376d3b451f1092e7ea7bc086a2d7256912ff7ed0e7de20e343f1821d869a06aff4b

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

        Filesize

        19KB

        MD5

        5d5baa67c71385faac242a73e3b4d299

        SHA1

        066e11fbfc11a1716d79303a792f3a1b00c3eaef

        SHA256

        45192f0fb61326404f17719952e33d9b9daa948ea731758aa6fb124f34497cd0

        SHA512

        f86d85674110e4625588340db24e5f9c3ec34c8c96c897e751c9bfd12c82b13ee7f7fbccedfa59de8efff930497b731f3eb68a35ec2245be5efe42e860735f40

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

        Filesize

        19KB

        MD5

        0672b363c33deb6a7838668f11d6d08d

        SHA1

        6e06feee9447ab0c47fbac0f6fc2d04ced67104f

        SHA256

        ec9946c332cca3c4c0731db05ef3c0063527f7b68f3c810afc4011e539aaebca

        SHA512

        16ee9a545ec4a48bd0f918da6a00220289a35b965c79cf1c272772923ccb47a0dc5ba8d6f32a5775cfed8c595d26710d1c731f266b0d2c062bb8322424174053

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        ff9e6711f26fb3c5be35d8777d0110c9

        SHA1

        ca853fa75d22fd6cd2aa329064376385722be45b

        SHA256

        b723073d7e11b1525a8de0fe4c981070a9f2b1bb986e995352fe63a1b48a56ca

        SHA512

        56724181be49358eceb408b4f6c5bc4c0ee2cb6887772668c9b4ed25c100fd6c38c7990777816ccb08efaf33896c7ff65e2f208a5d8d869164653f4935488f09

      • memory/512-1-0x0000000002960000-0x0000000002D5C000-memory.dmp

        Filesize

        4.0MB

      • memory/512-80-0x0000000002960000-0x0000000002D5C000-memory.dmp

        Filesize

        4.0MB

      • memory/512-81-0x0000000002D60000-0x000000000364B000-memory.dmp

        Filesize

        8.9MB

      • memory/512-79-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/512-2-0x0000000002D60000-0x000000000364B000-memory.dmp

        Filesize

        8.9MB

      • memory/536-120-0x00000000711E0000-0x0000000071534000-memory.dmp

        Filesize

        3.3MB

      • memory/536-119-0x0000000070A60000-0x0000000070AAC000-memory.dmp

        Filesize

        304KB

      • memory/1336-148-0x0000000070A60000-0x0000000070AAC000-memory.dmp

        Filesize

        304KB

      • memory/1336-149-0x0000000070BE0000-0x0000000070F34000-memory.dmp

        Filesize

        3.3MB

      • memory/3032-184-0x0000000007260000-0x0000000007271000-memory.dmp

        Filesize

        68KB

      • memory/3032-172-0x0000000070980000-0x00000000709CC000-memory.dmp

        Filesize

        304KB

      • memory/3032-185-0x0000000005AE0000-0x0000000005AF4000-memory.dmp

        Filesize

        80KB

      • memory/3032-173-0x0000000070B00000-0x0000000070E54000-memory.dmp

        Filesize

        3.3MB

      • memory/3032-183-0x0000000006F20000-0x0000000006FC3000-memory.dmp

        Filesize

        652KB

      • memory/3032-169-0x0000000005760000-0x0000000005AB4000-memory.dmp

        Filesize

        3.3MB

      • memory/3032-171-0x0000000006250000-0x000000000629C000-memory.dmp

        Filesize

        304KB

      • memory/3036-77-0x0000000007630000-0x00000000076D3000-memory.dmp

        Filesize

        652KB

      • memory/3036-78-0x0000000007940000-0x0000000007951000-memory.dmp

        Filesize

        68KB

      • memory/3036-82-0x0000000007990000-0x00000000079A4000-memory.dmp

        Filesize

        80KB

      • memory/3036-67-0x00000000711E0000-0x0000000071534000-memory.dmp

        Filesize

        3.3MB

      • memory/3036-66-0x0000000070A60000-0x0000000070AAC000-memory.dmp

        Filesize

        304KB

      • memory/3144-97-0x0000000070A60000-0x0000000070AAC000-memory.dmp

        Filesize

        304KB

      • memory/3144-98-0x0000000070BE0000-0x0000000070F34000-memory.dmp

        Filesize

        3.3MB

      • memory/3144-95-0x0000000005550000-0x00000000058A4000-memory.dmp

        Filesize

        3.3MB

      • memory/3508-236-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-211-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-221-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-224-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-227-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-230-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-233-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-239-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-242-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-245-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-248-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3508-251-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3960-199-0x0000000071110000-0x0000000071464000-memory.dmp

        Filesize

        3.3MB

      • memory/3960-198-0x0000000070980000-0x00000000709CC000-memory.dmp

        Filesize

        304KB

      • memory/3960-187-0x0000000005FF0000-0x0000000006344000-memory.dmp

        Filesize

        3.3MB

      • memory/4068-56-0x0000000002940000-0x0000000002D48000-memory.dmp

        Filesize

        4.0MB

      • memory/4068-218-0x0000000002940000-0x0000000002D48000-memory.dmp

        Filesize

        4.0MB

      • memory/4068-210-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/4068-130-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/4296-8-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-30-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-9-0x0000000005520000-0x0000000005542000-memory.dmp

        Filesize

        136KB

      • memory/4296-24-0x00000000069E0000-0x0000000006A24000-memory.dmp

        Filesize

        272KB

      • memory/4296-26-0x0000000007ED0000-0x000000000854A000-memory.dmp

        Filesize

        6.5MB

      • memory/4296-7-0x0000000005590000-0x0000000005BB8000-memory.dmp

        Filesize

        6.2MB

      • memory/4296-27-0x0000000007850000-0x000000000786A000-memory.dmp

        Filesize

        104KB

      • memory/4296-29-0x0000000070A60000-0x0000000070AAC000-memory.dmp

        Filesize

        304KB

      • memory/4296-10-0x0000000005DA0000-0x0000000005E06000-memory.dmp

        Filesize

        408KB

      • memory/4296-54-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-6-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-51-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

        Filesize

        32KB

      • memory/4296-17-0x0000000005E80000-0x00000000061D4000-memory.dmp

        Filesize

        3.3MB

      • memory/4296-5-0x0000000002ED0000-0x0000000002F06000-memory.dmp

        Filesize

        216KB

      • memory/4296-22-0x0000000006480000-0x000000000649E000-memory.dmp

        Filesize

        120KB

      • memory/4296-11-0x0000000005E10000-0x0000000005E76000-memory.dmp

        Filesize

        408KB

      • memory/4296-23-0x00000000064B0000-0x00000000064FC000-memory.dmp

        Filesize

        304KB

      • memory/4296-50-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

        Filesize

        104KB

      • memory/4296-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

        Filesize

        4KB

      • memory/4296-25-0x00000000075A0000-0x0000000007616000-memory.dmp

        Filesize

        472KB

      • memory/4296-49-0x0000000007BB0000-0x0000000007BC4000-memory.dmp

        Filesize

        80KB

      • memory/4296-48-0x0000000007BA0000-0x0000000007BAE000-memory.dmp

        Filesize

        56KB

      • memory/4296-47-0x0000000007B60000-0x0000000007B71000-memory.dmp

        Filesize

        68KB

      • memory/4296-46-0x0000000007C00000-0x0000000007C96000-memory.dmp

        Filesize

        600KB

      • memory/4296-45-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-44-0x0000000007B30000-0x0000000007B3A000-memory.dmp

        Filesize

        40KB

      • memory/4296-43-0x0000000007A40000-0x0000000007AE3000-memory.dmp

        Filesize

        652KB

      • memory/4296-42-0x0000000074BC0000-0x0000000075370000-memory.dmp

        Filesize

        7.7MB

      • memory/4296-41-0x0000000007A20000-0x0000000007A3E000-memory.dmp

        Filesize

        120KB

      • memory/4296-31-0x00000000711E0000-0x0000000071534000-memory.dmp

        Filesize

        3.3MB

      • memory/4296-28-0x00000000079E0000-0x0000000007A12000-memory.dmp

        Filesize

        200KB