Analysis

  • max time kernel
    149s
  • 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
    16/05/2024, 19:13

General

  • Target

    2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe

  • Size

    4.1MB

  • MD5

    2beac408d711d4e0332cd7fdf20c8d37

  • SHA1

    a902c6ae6d4977da73937bab5d90c74a9e6354ee

  • SHA256

    2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a

  • SHA512

    07920358c54f8169ebf6a83f030b8029f9ba6962b35ace69cfe3258acb22036814ab6796437de6347ed489ef3cd77890435b0b48a4e51f7ac1c5847b677d1e9f

  • SSDEEP

    98304:4afxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjc:44KGRhU7CB2KZRm43qRo3hpTjc

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\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe
    "C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3512
    • 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:2544
    • C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.exe
      "C:\Users\Admin\AppData\Local\Temp\2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a.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:5440
      • 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:968
      • 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:2028
        • 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:1740
      • 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:1436
      • 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:5356
      • 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:6092
        • 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:5488
        • 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:1884
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1868
          • 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:5300
          • 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:1560
          • 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:3732
          • 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:2392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3jorese0.zzt.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

      e2287a91eddaea3735c0860f9cfd09c2

      SHA1

      b58073d1b9c6f5f3ff014c4477305340d1522832

      SHA256

      d12b151e6d5599acb5c8f827fcfa8f83b9778d3da39fa2d05590a7540767037b

      SHA512

      625b5ee09e842087ada5d673f0d761db6173d610606f3a2a3f8fb88c1dfcf636e3de4fa8b8899a4755ea7c1c750f174ad63274e9ad664c3fd6785103cbbf12ae

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

      Filesize

      19KB

      MD5

      ee68c2b8efdc47659cd37b30c4847fff

      SHA1

      27d2aaca0e0b75126b07e2f470e9dffaa7cce956

      SHA256

      6ac137f1bc53dd051e827f0733a223c5d0cfe45c3c85414a4ee575ca9e5ea86c

      SHA512

      552af87bc9277f15fc74a18999870bf9e8aebec4e500e01e438f8e83e07b2d9f3ae1d2d7ca606e7cdba5ca694d32d8f5671a898f9b6dc4594f8df6e4d1d637b3

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

      Filesize

      19KB

      MD5

      0268d52590a70fe0c68294c412a79086

      SHA1

      28c78c02b2ecd1e35050841183759a7240f78cb3

      SHA256

      74c12994491a90fb19c8ea40e3bb62e234de4bed91e6057f515a07f4314cd60d

      SHA512

      db3657b770a35e133691e465905ab361d39668e68ca4ad6903a021a757f7391c74f7d4898938f4a8465b695fc05c080c3ff883706d663ac489634fc677a23e47

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

      Filesize

      19KB

      MD5

      186a7cfcca79b2416f7ccf901044a9b9

      SHA1

      880e8a1e0b486f0523205bdace1884f23dc3c103

      SHA256

      753e50444398c3574b5e4517953a62188a4af3e13277684412412e75533e65b0

      SHA512

      57d7733447eb82bcc6891bb9398ff2c1aa8693c400f9a0d70cc43bc99589569b2d1a165e16362882fd1587299fdfb049181a17f8c740c524f3decc2becf95c99

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

      Filesize

      19KB

      MD5

      f50f478c2ab7e9e70cb80ab7d7626108

      SHA1

      c5713db6ab86c55ccdeec441509d0bc6b129ba61

      SHA256

      0afeac519a3e7b35c240e7878d86cecbbed226cb1e94317ddf06fa9ef4273979

      SHA512

      fab8be5370ba420df3d4d0f54bdd13aefa720ff489bc851efcbdfa47a64e8529d06d5b52f849abadaae424be41c73c0c38943132936b576411095e927f5c2367

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      2beac408d711d4e0332cd7fdf20c8d37

      SHA1

      a902c6ae6d4977da73937bab5d90c74a9e6354ee

      SHA256

      2499475f495166644e082df25979c349609cb0f345e7ae8e16fbf59bedfd3b2a

      SHA512

      07920358c54f8169ebf6a83f030b8029f9ba6962b35ace69cfe3258acb22036814ab6796437de6347ed489ef3cd77890435b0b48a4e51f7ac1c5847b677d1e9f

    • memory/968-78-0x0000000007360000-0x0000000007374000-memory.dmp

      Filesize

      80KB

    • memory/968-77-0x0000000007310000-0x0000000007321000-memory.dmp

      Filesize

      68KB

    • memory/968-76-0x0000000007000000-0x00000000070A3000-memory.dmp

      Filesize

      652KB

    • memory/968-66-0x0000000070FF0000-0x0000000071344000-memory.dmp

      Filesize

      3.3MB

    • memory/968-65-0x0000000070870000-0x00000000708BC000-memory.dmp

      Filesize

      304KB

    • memory/1436-94-0x0000000005BB0000-0x0000000005F04000-memory.dmp

      Filesize

      3.3MB

    • memory/1436-96-0x0000000070870000-0x00000000708BC000-memory.dmp

      Filesize

      304KB

    • memory/1436-97-0x0000000071010000-0x0000000071364000-memory.dmp

      Filesize

      3.3MB

    • memory/1560-195-0x0000000005B50000-0x0000000005EA4000-memory.dmp

      Filesize

      3.3MB

    • memory/1560-197-0x0000000070790000-0x00000000707DC000-memory.dmp

      Filesize

      304KB

    • memory/1560-198-0x0000000070F00000-0x0000000071254000-memory.dmp

      Filesize

      3.3MB

    • memory/2544-17-0x00000000058F0000-0x0000000005C44000-memory.dmp

      Filesize

      3.3MB

    • memory/2544-28-0x00000000074D0000-0x0000000007502000-memory.dmp

      Filesize

      200KB

    • memory/2544-31-0x0000000070FF0000-0x0000000071344000-memory.dmp

      Filesize

      3.3MB

    • memory/2544-42-0x0000000007530000-0x00000000075D3000-memory.dmp

      Filesize

      652KB

    • memory/2544-43-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-41-0x0000000007510000-0x000000000752E000-memory.dmp

      Filesize

      120KB

    • memory/2544-44-0x0000000007620000-0x000000000762A000-memory.dmp

      Filesize

      40KB

    • memory/2544-45-0x00000000076F0000-0x0000000007786000-memory.dmp

      Filesize

      600KB

    • memory/2544-46-0x0000000007650000-0x0000000007661000-memory.dmp

      Filesize

      68KB

    • memory/2544-47-0x0000000007690000-0x000000000769E000-memory.dmp

      Filesize

      56KB

    • memory/2544-48-0x00000000076A0000-0x00000000076B4000-memory.dmp

      Filesize

      80KB

    • memory/2544-49-0x0000000007790000-0x00000000077AA000-memory.dmp

      Filesize

      104KB

    • memory/2544-50-0x00000000076D0000-0x00000000076D8000-memory.dmp

      Filesize

      32KB

    • memory/2544-53-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-30-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-29-0x0000000070870000-0x00000000708BC000-memory.dmp

      Filesize

      304KB

    • memory/2544-27-0x0000000007330000-0x000000000734A000-memory.dmp

      Filesize

      104KB

    • memory/2544-26-0x0000000007990000-0x000000000800A000-memory.dmp

      Filesize

      6.5MB

    • memory/2544-25-0x0000000007290000-0x0000000007306000-memory.dmp

      Filesize

      472KB

    • memory/2544-24-0x0000000006510000-0x0000000006554000-memory.dmp

      Filesize

      272KB

    • memory/2544-23-0x0000000005F80000-0x0000000005FCC000-memory.dmp

      Filesize

      304KB

    • memory/2544-22-0x0000000005F60000-0x0000000005F7E000-memory.dmp

      Filesize

      120KB

    • memory/2544-10-0x0000000005800000-0x0000000005866000-memory.dmp

      Filesize

      408KB

    • memory/2544-11-0x0000000005870000-0x00000000058D6000-memory.dmp

      Filesize

      408KB

    • memory/2544-9-0x0000000004F30000-0x0000000004F52000-memory.dmp

      Filesize

      136KB

    • memory/2544-8-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-6-0x0000000005020000-0x0000000005648000-memory.dmp

      Filesize

      6.2MB

    • memory/2544-7-0x00000000749D0000-0x0000000075180000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-5-0x0000000004900000-0x0000000004936000-memory.dmp

      Filesize

      216KB

    • memory/2544-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

      Filesize

      4KB

    • memory/3512-80-0x0000000002970000-0x0000000002D75000-memory.dmp

      Filesize

      4.0MB

    • memory/3512-81-0x0000000002D80000-0x000000000366B000-memory.dmp

      Filesize

      8.9MB

    • memory/3512-2-0x0000000002D80000-0x000000000366B000-memory.dmp

      Filesize

      8.9MB

    • memory/3512-79-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3512-1-0x0000000002970000-0x0000000002D75000-memory.dmp

      Filesize

      4.0MB

    • memory/5300-167-0x0000000005C40000-0x0000000005F94000-memory.dmp

      Filesize

      3.3MB

    • memory/5300-169-0x00000000062E0000-0x000000000632C000-memory.dmp

      Filesize

      304KB

    • memory/5300-170-0x0000000070790000-0x00000000707DC000-memory.dmp

      Filesize

      304KB

    • memory/5300-171-0x0000000070F20000-0x0000000071274000-memory.dmp

      Filesize

      3.3MB

    • memory/5300-181-0x0000000007550000-0x00000000075F3000-memory.dmp

      Filesize

      652KB

    • memory/5300-183-0x00000000060A0000-0x00000000060B1000-memory.dmp

      Filesize

      68KB

    • memory/5300-184-0x00000000060E0000-0x00000000060F4000-memory.dmp

      Filesize

      80KB

    • memory/5356-119-0x0000000070FF0000-0x0000000071344000-memory.dmp

      Filesize

      3.3MB

    • memory/5356-118-0x0000000070870000-0x00000000708BC000-memory.dmp

      Filesize

      304KB

    • memory/5440-55-0x0000000002950000-0x0000000002D4F000-memory.dmp

      Filesize

      4.0MB

    • memory/5440-217-0x0000000002950000-0x0000000002D4F000-memory.dmp

      Filesize

      4.0MB

    • memory/5440-182-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/5488-146-0x0000000070870000-0x00000000708BC000-memory.dmp

      Filesize

      304KB

    • memory/5488-147-0x00000000709F0000-0x0000000070D44000-memory.dmp

      Filesize

      3.3MB

    • memory/5488-144-0x0000000006240000-0x0000000006594000-memory.dmp

      Filesize

      3.3MB

    • memory/6092-225-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-219-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-222-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-216-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-229-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-231-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-234-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-237-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-241-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-243-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-246-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-249-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/6092-253-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB