Analysis

  • max time kernel
    151s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2024, 23:25

General

  • Target

    6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48.exe

  • Size

    4.1MB

  • MD5

    11c113d2bc9d7c2eec0d8daa97d66f40

  • SHA1

    5ae891869db80662d405bc5a699eab76d70903df

  • SHA256

    6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48

  • SHA512

    de7f86a354b8c005f19279cdc3c7d4c6bd053da2692904b939e1e581e20c30f1ee9cf9c43e2bdac80d4d38bf2ce555343f87e7da2ccba1ae541986cfa647d397

  • SSDEEP

    49152:1P14wFe484iHbTFG8DZqgckdbbON2ATnCITQMciPqrNkjunhZbPMRZB6Unk18Ie8:lH84inFrgm9NzwRsNe0ZFLetRCG6R

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 13 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 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 1 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 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48.exe
    "C:\Users\Admin\AppData\Local\Temp\6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:468
    • 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:224
    • C:\Users\Admin\AppData\Local\Temp\6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48.exe
      "C:\Users\Admin\AppData\Local\Temp\6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48.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:2852
      • 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:1132
      • 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:1668
        • 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:2416
      • 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:4316
      • 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:4360
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3872
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4352
        • 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:2724
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2672
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:2364
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Command and Scripting Interpreter: PowerShell
            PID:4872
    • 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 --mojo-platform-channel-handle=4140 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4384

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nvzypglx.nmt.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • 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

        ee942d7b431680ebab81901976493a7a

        SHA1

        379fa0875a9616463564a4d2f9e004f91e34d159

        SHA256

        a759b34a74e5501df1a183b2ebf7bdfc58048087ef49bbaa9113981cc9d641fc

        SHA512

        f4af84e05ffe0aabf640998bf80feaf6946b83602cf2395813486e9e6aa2cc66783a7275b9c0136d71a46623a760850223997854fedd8a7317cffa25157684c7

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

        Filesize

        19KB

        MD5

        25632db0186af4c2c6189321965bf76e

        SHA1

        e92500fc789bc3f9296f7643daedf4dc44dc04fc

        SHA256

        4cf3c7e5931aa08018aa8d9e22bda2a5148fff1ba0e84ab97b8a8cd46132ccde

        SHA512

        40f278e3d280047eddf3284d1d17887bc29f164071dbe7fec3e6aa9d3778d69636e32411ebce24b84407bb8eaa29704794631245385a407e77fc9ac4dd9c61f0

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

        Filesize

        19KB

        MD5

        9795731e65a457614d353d4ba9c6004a

        SHA1

        c7a7e331ee8b02ecce0dadf6a65bfa650c706df6

        SHA256

        80c758b5615438a3f67547921b98e9800e411ed21080da17ec891ef0f9ea9b9e

        SHA512

        47d0db430828afb330864f8e6b2edde1a7ff363fbe522235859bb98b70cd595a493197a6c8b8ddc22e585c3d2edb5569caae6538ed9b7c0bf8783e3fe7eefbd5

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

        Filesize

        19KB

        MD5

        625dc5ac8a59a7abb17d0420bec378be

        SHA1

        b363cc455982e534a8e6dbfd773b5e0496032893

        SHA256

        7e0e698e661f918167967d7f51aec10e37bd23aae8e0ee9c23290d381ba8a97d

        SHA512

        7f9e0e8aaac9409a09f78f7094327d40661389febcafc94f69fccb58177fb2f62ead7bee6de8f352c8996e5f4a806e85edc33e0baa8f27ecb42d2bc02a319d33

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        11c113d2bc9d7c2eec0d8daa97d66f40

        SHA1

        5ae891869db80662d405bc5a699eab76d70903df

        SHA256

        6becba17be09a4b0d744350682807458eb3c331d8cc02106f84a4900041fad48

        SHA512

        de7f86a354b8c005f19279cdc3c7d4c6bd053da2692904b939e1e581e20c30f1ee9cf9c43e2bdac80d4d38bf2ce555343f87e7da2ccba1ae541986cfa647d397

      • memory/224-61-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-64-0x0000000007E70000-0x0000000007E8A000-memory.dmp

        Filesize

        104KB

      • memory/224-10-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-11-0x00000000057B0000-0x0000000005DD8000-memory.dmp

        Filesize

        6.2MB

      • memory/224-6-0x000000007415E000-0x000000007415F000-memory.dmp

        Filesize

        4KB

      • memory/224-13-0x0000000005560000-0x0000000005582000-memory.dmp

        Filesize

        136KB

      • memory/224-14-0x0000000006050000-0x00000000060B6000-memory.dmp

        Filesize

        408KB

      • memory/224-15-0x00000000060C0000-0x0000000006126000-memory.dmp

        Filesize

        408KB

      • memory/224-8-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-25-0x0000000006130000-0x0000000006484000-memory.dmp

        Filesize

        3.3MB

      • memory/224-27-0x00000000066F0000-0x000000000670E000-memory.dmp

        Filesize

        120KB

      • memory/224-29-0x000000007415E000-0x000000007415F000-memory.dmp

        Filesize

        4KB

      • memory/224-30-0x00000000067D0000-0x000000000681C000-memory.dmp

        Filesize

        304KB

      • memory/224-31-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-32-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-35-0x0000000006C00000-0x0000000006C44000-memory.dmp

        Filesize

        272KB

      • memory/224-37-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-38-0x0000000007800000-0x0000000007876000-memory.dmp

        Filesize

        472KB

      • memory/224-39-0x0000000008100000-0x000000000877A000-memory.dmp

        Filesize

        6.5MB

      • memory/224-40-0x00000000077D0000-0x00000000077EA000-memory.dmp

        Filesize

        104KB

      • memory/224-69-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-42-0x0000000074150000-0x0000000074900000-memory.dmp

        Filesize

        7.7MB

      • memory/224-43-0x0000000007C10000-0x0000000007C42000-memory.dmp

        Filesize

        200KB

      • memory/224-44-0x000000006FFF0000-0x000000007003C000-memory.dmp

        Filesize

        304KB

      • memory/224-45-0x0000000070170000-0x00000000704C4000-memory.dmp

        Filesize

        3.3MB

      • memory/224-55-0x0000000007BF0000-0x0000000007C0E000-memory.dmp

        Filesize

        120KB

      • memory/224-56-0x0000000007C50000-0x0000000007CF3000-memory.dmp

        Filesize

        652KB

      • memory/224-57-0x0000000006D90000-0x0000000006D9A000-memory.dmp

        Filesize

        40KB

      • memory/224-58-0x0000000007E90000-0x0000000007F26000-memory.dmp

        Filesize

        600KB

      • memory/224-7-0x00000000050A0000-0x00000000050D6000-memory.dmp

        Filesize

        216KB

      • memory/224-60-0x0000000007DF0000-0x0000000007E01000-memory.dmp

        Filesize

        68KB

      • memory/224-62-0x0000000007E20000-0x0000000007E2E000-memory.dmp

        Filesize

        56KB

      • memory/224-65-0x0000000007E60000-0x0000000007E68000-memory.dmp

        Filesize

        32KB

      • memory/224-63-0x0000000007E30000-0x0000000007E44000-memory.dmp

        Filesize

        80KB

      • memory/468-9-0x0000000002A60000-0x0000000002E62000-memory.dmp

        Filesize

        4.0MB

      • memory/468-1-0x0000000002A60000-0x0000000002E62000-memory.dmp

        Filesize

        4.0MB

      • memory/468-2-0x0000000002E70000-0x000000000375B000-memory.dmp

        Filesize

        8.9MB

      • memory/468-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/468-4-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/468-12-0x0000000002E70000-0x000000000375B000-memory.dmp

        Filesize

        8.9MB

      • memory/468-41-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/468-5-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/468-94-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/468-59-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1132-96-0x0000000007E50000-0x0000000007E64000-memory.dmp

        Filesize

        80KB

      • memory/1132-95-0x0000000007E00000-0x0000000007E11000-memory.dmp

        Filesize

        68KB

      • memory/1132-93-0x0000000007AC0000-0x0000000007B63000-memory.dmp

        Filesize

        652KB

      • memory/1132-83-0x0000000070770000-0x0000000070AC4000-memory.dmp

        Filesize

        3.3MB

      • memory/1132-82-0x000000006FFF0000-0x000000007003C000-memory.dmp

        Filesize

        304KB

      • memory/1132-73-0x00000000061E0000-0x0000000006534000-memory.dmp

        Filesize

        3.3MB

      • memory/2364-188-0x0000000005B80000-0x0000000005ED4000-memory.dmp

        Filesize

        3.3MB

      • memory/2364-206-0x0000000005490000-0x00000000054A4000-memory.dmp

        Filesize

        80KB

      • memory/2364-203-0x0000000007650000-0x0000000007661000-memory.dmp

        Filesize

        68KB

      • memory/2364-202-0x0000000007330000-0x00000000073D3000-memory.dmp

        Filesize

        652KB

      • memory/2364-192-0x00000000704D0000-0x0000000070824000-memory.dmp

        Filesize

        3.3MB

      • memory/2364-191-0x000000006FF10000-0x000000006FF5C000-memory.dmp

        Filesize

        304KB

      • memory/2364-190-0x0000000006150000-0x000000000619C000-memory.dmp

        Filesize

        304KB

      • memory/2852-125-0x0000000002920000-0x0000000002D22000-memory.dmp

        Filesize

        4.0MB

      • memory/2852-97-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2852-101-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2852-177-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2852-71-0x0000000002920000-0x0000000002D22000-memory.dmp

        Filesize

        4.0MB

      • memory/2852-148-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3872-205-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/4316-114-0x0000000070770000-0x0000000070AC4000-memory.dmp

        Filesize

        3.3MB

      • memory/4316-113-0x000000006FFF0000-0x000000007003C000-memory.dmp

        Filesize

        304KB

      • memory/4352-166-0x000000006FFF0000-0x000000007003C000-memory.dmp

        Filesize

        304KB

      • memory/4352-167-0x0000000070170000-0x00000000704C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4360-137-0x000000006FFF0000-0x000000007003C000-memory.dmp

        Filesize

        304KB

      • memory/4360-138-0x0000000070170000-0x00000000704C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4872-217-0x0000000005C50000-0x0000000005FA4000-memory.dmp

        Filesize

        3.3MB