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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/04/2024, 03:53

General

  • Target

    9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5.exe

  • Size

    4.1MB

  • MD5

    b112cedd3d1145a2dfbc547147ad102e

  • SHA1

    24e601fa27ad21b036471c58c5a4f39db521551f

  • SHA256

    9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5

  • SHA512

    fe6e8d27513e16fa56009fdace73ef085334d21eb363c2dfad359cacd994372443dfda8e59017633da2b50d66ce3ffbbf520b4fb121aee28a87e1dbfc1d36d75

  • SSDEEP

    98304:LGRQeQQeLbhY3YC8OTEShpVlj4GtGZsj8hIKq+MMI+rDx/:LGRQUIYIPOTESx5TwMMI+rd

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 16 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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.

  • 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
  • Launches sc.exe 1 IoCs

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

  • 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 25 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\9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5.exe
    "C:\Users\Admin\AppData\Local\Temp\9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:668
    • C:\Users\Admin\AppData\Local\Temp\9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5.exe
      "C:\Users\Admin\AppData\Local\Temp\9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5.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:2856
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3420
      • 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:3528
        • 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:832
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2560
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3180
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        PID:5012
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:836
        • 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:1488
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1420
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4968
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4328
          • 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⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3528
          • 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:892
          • C:\Windows\windefender.exe
            "C:\Windows\windefender.exe"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3408
            • 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:3524
              • 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:4908
    • C:\Windows\windefender.exe
      C:\Windows\windefender.exe
      1⤵
      • Modifies data under HKEY_USERS
      PID:3648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yydpsngr.ajl.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

      d0c46cad6c0778401e21910bd6b56b70

      SHA1

      7be418951ea96326aca445b8dfe449b2bfa0dca6

      SHA256

      9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

      SHA512

      057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

      Filesize

      19KB

      MD5

      2a124698a435927e5cb1e9b943f0ad95

      SHA1

      594f6c72017385d64bc59dc054032e6f2ff8f362

      SHA256

      c9b7539cc4aec1ad7384eff25b9203a4b52ef38c6f518724e80a676232388cda

      SHA512

      49e043c28f7fcd928a843630f20f8b5d40c23f1dc9f920373c1057af8c6982e4b7ecdde5807f8062e2504d24fa6bcdaad8a1aa552079c0d5cbf54bc9fb83cfcf

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

      Filesize

      19KB

      MD5

      b5f2025d29fb2425e41a49359aa723bf

      SHA1

      4f341c69b941c3b9522a06e0ed7d2160d69a5bd2

      SHA256

      c0fbea0e5bcb2d9b81f2b3efeed255ac9c7d3ca29253e34574a303ec32cd94ac

      SHA512

      b50e1e9db10711a05cea2e33a3d178ccee3a2b927e60bb99ba7d7eb40dff24a2aaffaedc2a3b2a8e7d6f8329cb853a3b3697c301fc129931581cdcfc8eac7607

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

      Filesize

      19KB

      MD5

      15997b1d8f11465ac3367a98c5d73dac

      SHA1

      8da9301e3ee6cc5fb6efd0228be96700c475f9aa

      SHA256

      36647c15735d64700cb03294d517f2846c8c5a8d709ecf0773674ec6a092b27b

      SHA512

      8778dfe2033fa31ae9ad9a8fd8806be6640c0d7153576173c86e28c1429d3aa0b906db0a14a6b1e4164568a95f223a5394eb29d42232d8d163cf3861f90fa833

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

      Filesize

      19KB

      MD5

      46aaec273d9f2e420386cfdc28251dcc

      SHA1

      8ede3efe55450a36dc28d4681a827abbbcf7607b

      SHA256

      4ecf92bdb1167fe4babd00a486e56b9217488406b1f871f8d3c0d28cae3b75e3

      SHA512

      62485e08a36744ae02dccf2170e7e908e05e23252064c2d4386a7391c182d24ddca6b6f9ace174e68f8630201415d0f1e8dedef366c03a1ca9c77c30f5e33ec2

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

      Filesize

      19KB

      MD5

      ce79081e38dd364cd3dd90fc4457a614

      SHA1

      de4d2c460423a355855ccfc1c8d8204765b3c653

      SHA256

      b916d3d6fdd04b4831f6f6cd042f748599b69f0dcd5db6d755daf8ffe16c49af

      SHA512

      e9a4ed46e76653d688781d84da5e8b63e34f457cbd55ba9e760afe1824873e4343fc7c5956835ea07a7332934dae7ead3af3b1552ca22293ea910eecf2cc93fd

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      b112cedd3d1145a2dfbc547147ad102e

      SHA1

      24e601fa27ad21b036471c58c5a4f39db521551f

      SHA256

      9e8e031be70b114dbce28220bb611d779ba80d67fd74b15cc8f5ad1c61904cf5

      SHA512

      fe6e8d27513e16fa56009fdace73ef085334d21eb363c2dfad359cacd994372443dfda8e59017633da2b50d66ce3ffbbf520b4fb121aee28a87e1dbfc1d36d75

    • memory/432-1-0x00000000035A0000-0x00000000039A0000-memory.dmp

      Filesize

      4.0MB

    • memory/432-3-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/432-52-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/432-2-0x0000000005240000-0x0000000005B2B000-memory.dmp

      Filesize

      8.9MB

    • memory/432-54-0x0000000005240000-0x0000000005B2B000-memory.dmp

      Filesize

      8.9MB

    • memory/432-53-0x00000000035A0000-0x00000000039A0000-memory.dmp

      Filesize

      4.0MB

    • memory/668-21-0x0000000006980000-0x000000000699E000-memory.dmp

      Filesize

      120KB

    • memory/668-22-0x00000000069D0000-0x0000000006A1C000-memory.dmp

      Filesize

      304KB

    • memory/668-26-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/668-25-0x000000007F790000-0x000000007F7A0000-memory.dmp

      Filesize

      64KB

    • memory/668-24-0x0000000007DB0000-0x0000000007DE4000-memory.dmp

      Filesize

      208KB

    • memory/668-36-0x0000000007DF0000-0x0000000007E0E000-memory.dmp

      Filesize

      120KB

    • memory/668-27-0x0000000070980000-0x0000000070CD7000-memory.dmp

      Filesize

      3.3MB

    • memory/668-37-0x0000000007E10000-0x0000000007EB4000-memory.dmp

      Filesize

      656KB

    • memory/668-38-0x00000000054E0000-0x00000000054F0000-memory.dmp

      Filesize

      64KB

    • memory/668-39-0x0000000008580000-0x0000000008BFA000-memory.dmp

      Filesize

      6.5MB

    • memory/668-40-0x0000000007F40000-0x0000000007F5A000-memory.dmp

      Filesize

      104KB

    • memory/668-41-0x0000000007F80000-0x0000000007F8A000-memory.dmp

      Filesize

      40KB

    • memory/668-42-0x0000000008090000-0x0000000008126000-memory.dmp

      Filesize

      600KB

    • memory/668-43-0x0000000007FA0000-0x0000000007FB1000-memory.dmp

      Filesize

      68KB

    • memory/668-44-0x0000000007FF0000-0x0000000007FFE000-memory.dmp

      Filesize

      56KB

    • memory/668-45-0x0000000008000000-0x0000000008015000-memory.dmp

      Filesize

      84KB

    • memory/668-46-0x0000000008050000-0x000000000806A000-memory.dmp

      Filesize

      104KB

    • memory/668-47-0x0000000008070000-0x0000000008078000-memory.dmp

      Filesize

      32KB

    • memory/668-50-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/668-23-0x0000000006DD0000-0x0000000006E16000-memory.dmp

      Filesize

      280KB

    • memory/668-5-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/668-20-0x0000000006590000-0x00000000068E7000-memory.dmp

      Filesize

      3.3MB

    • memory/668-11-0x0000000006340000-0x00000000063A6000-memory.dmp

      Filesize

      408KB

    • memory/668-10-0x00000000062D0000-0x0000000006336000-memory.dmp

      Filesize

      408KB

    • memory/668-9-0x0000000005AC0000-0x0000000005AE2000-memory.dmp

      Filesize

      136KB

    • memory/668-7-0x00000000054E0000-0x00000000054F0000-memory.dmp

      Filesize

      64KB

    • memory/668-8-0x0000000005BA0000-0x00000000061CA000-memory.dmp

      Filesize

      6.2MB

    • memory/668-4-0x0000000005530000-0x0000000005566000-memory.dmp

      Filesize

      216KB

    • memory/668-6-0x00000000054E0000-0x00000000054F0000-memory.dmp

      Filesize

      64KB

    • memory/2560-114-0x00000000032E0000-0x00000000032F0000-memory.dmp

      Filesize

      64KB

    • memory/2560-115-0x00000000032E0000-0x00000000032F0000-memory.dmp

      Filesize

      64KB

    • memory/2560-113-0x000000007F900000-0x000000007F910000-memory.dmp

      Filesize

      64KB

    • memory/2560-104-0x0000000070980000-0x0000000070CD7000-memory.dmp

      Filesize

      3.3MB

    • memory/2560-103-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/2560-117-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/2560-92-0x00000000032E0000-0x00000000032F0000-memory.dmp

      Filesize

      64KB

    • memory/2560-90-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/2560-91-0x00000000032E0000-0x00000000032F0000-memory.dmp

      Filesize

      64KB

    • memory/2856-140-0x0000000003660000-0x0000000003A63000-memory.dmp

      Filesize

      4.0MB

    • memory/2856-56-0x0000000003660000-0x0000000003A63000-memory.dmp

      Filesize

      4.0MB

    • memory/2856-57-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/2856-147-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/2856-102-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/3180-118-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/3180-131-0x0000000070A50000-0x0000000070DA7000-memory.dmp

      Filesize

      3.3MB

    • memory/3180-130-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/3180-129-0x000000007F8B0000-0x000000007F8C0000-memory.dmp

      Filesize

      64KB

    • memory/3180-119-0x00000000055A0000-0x00000000058F7000-memory.dmp

      Filesize

      3.3MB

    • memory/3408-255-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/3420-84-0x00000000070B0000-0x00000000070C1000-memory.dmp

      Filesize

      68KB

    • memory/3420-60-0x0000000004680000-0x0000000004690000-memory.dmp

      Filesize

      64KB

    • memory/3420-69-0x0000000005620000-0x0000000005977000-memory.dmp

      Filesize

      3.3MB

    • memory/3420-72-0x0000000070A10000-0x0000000070D67000-memory.dmp

      Filesize

      3.3MB

    • memory/3420-81-0x0000000006D90000-0x0000000006E34000-memory.dmp

      Filesize

      656KB

    • memory/3420-82-0x0000000004680000-0x0000000004690000-memory.dmp

      Filesize

      64KB

    • memory/3420-59-0x0000000004680000-0x0000000004690000-memory.dmp

      Filesize

      64KB

    • memory/3420-70-0x000000007F300000-0x000000007F310000-memory.dmp

      Filesize

      64KB

    • memory/3420-83-0x0000000004680000-0x0000000004690000-memory.dmp

      Filesize

      64KB

    • memory/3420-58-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-71-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/3420-88-0x0000000074590000-0x0000000074D41000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-85-0x0000000007100000-0x0000000007115000-memory.dmp

      Filesize

      84KB

    • memory/3648-270-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/3648-300-0x0000000000400000-0x00000000008DF000-memory.dmp

      Filesize

      4.9MB

    • memory/5012-258-0x0000000074E10000-0x0000000074E77000-memory.dmp

      Filesize

      412KB

    • memory/5012-240-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-179-0x0000000074DD0000-0x0000000074DE1000-memory.dmp

      Filesize

      68KB

    • memory/5012-256-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-178-0x0000000074DF0000-0x0000000074E0E000-memory.dmp

      Filesize

      120KB

    • memory/5012-263-0x0000000074D80000-0x0000000074DC1000-memory.dmp

      Filesize

      260KB

    • memory/5012-176-0x0000000074E10000-0x0000000074E77000-memory.dmp

      Filesize

      412KB

    • memory/5012-271-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-287-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-174-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-302-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-317-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-332-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB

    • memory/5012-347-0x0000000000400000-0x0000000002EE0000-memory.dmp

      Filesize

      42.9MB