Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 08:22

General

  • Target

    558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf.exe

  • Size

    4.1MB

  • MD5

    4859a99b80e9ad16171b6847d5c4b5b1

  • SHA1

    d5c41a9f040d85489e34a6904d7147fdb753a41c

  • SHA256

    558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf

  • SHA512

    afd1d9c804174f173798eff312653b5303166b891db98ca2d182e075f75ea3ecb3c4ecfd17ff8a354f2d4aebe25838c78502191a6685f2cfbf9c7cd62aa456e8

  • SSDEEP

    98304:YcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxW:YcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsE

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 19 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\558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf.exe
    "C:\Users\Admin\AppData\Local\Temp\558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • 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:2580
    • C:\Users\Admin\AppData\Local\Temp\558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf.exe
      "C:\Users\Admin\AppData\Local\Temp\558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf.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:1280
      • 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:848
      • 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:3300
        • 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:2168
      • 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:4216
      • 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:3972
      • 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:1644
        • 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:1164
        • 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:3156
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2884
          • 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:3428
          • 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:4708
          • 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:4820
          • 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:4444

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1fnswfrp.x1u.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

      0f0cbbbf6b23ff2d785fba864a13cd87

      SHA1

      983698550f2e4dd72010cec56546fd13ff4a8d2a

      SHA256

      754696c1af189785a00e340dfbedc9e804ca5251e3b6b76f1812589311294b99

      SHA512

      5cf51a72bf375d3d46fcff542ac65c516a5b4989eb6b8df8112ff6e0b7ab3ed58438a472ac1ac3c0008384b6bc0cbbf7c8d50cd9912476268cfdad73de25e213

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

      Filesize

      19KB

      MD5

      9d73f02c927186e9d4969b866e55f149

      SHA1

      6c71ead997fd32f9e96aa03c8f293ac200a69edb

      SHA256

      b68e8612e965f1b30130c19548f08affcd1ff7198672c6fdb8131eb51f8d8e05

      SHA512

      710a14875b7d3c3e9bc97af7678192349ccac7097c9f4853bfb1c3118628c672241af0639ed65e2ab775f0e9607f81653f45ed5791d2bdf98d9f5a76999b567e

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

      Filesize

      19KB

      MD5

      beff5e3e6c88bc79174b44046b61d601

      SHA1

      bc3c154ee04d6b856acc360306b315949d4553f3

      SHA256

      240099d356522630016796c6958c122b9106c6790140c39497aee6e711dca2a4

      SHA512

      aca2ca123c1fa287c7697768a5af2a71bbbbf39fb1f68157148fe54596cfb38e33b27f399ae5be99d426652a353b66d03cf21f7eeef8cc2c47181de8ad1079a9

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

      Filesize

      19KB

      MD5

      1694284a8c47cbf5378adf65adb125c5

      SHA1

      d49977d0e8a839d616ab2979af54d186df46728f

      SHA256

      263e3c02b7ec0a1530b5d54fe5157ddd048ccebe7de8f553d14509f29875af2d

      SHA512

      6319d7215a6205900e1a1cf7463a0943ebc451f7f18bf4d5489ee80f0dd21abcdfe79399b6f6d7a0ff52f44f32d7a8eeca73e29e924856128530b00c67884c32

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

      Filesize

      19KB

      MD5

      807ac61bc806057f421830e9fca47365

      SHA1

      456526e23884b8957b6adf77a33259405ccfe636

      SHA256

      a5ef08e668238c2c62c11f26bef1fb90b5b46ebc7e92fb2540e51be345efcb0b

      SHA512

      4a86831c77a7dfbda676674178d09fa2c720ac00819a4b0aa33d2db0b676ef5d5e41c13f6762a71fc4edd120e95393886cab3efcebeec2a047d6e6f52ccb5fd2

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      4859a99b80e9ad16171b6847d5c4b5b1

      SHA1

      d5c41a9f040d85489e34a6904d7147fdb753a41c

      SHA256

      558aed649fa013e3508b626886c906f2e83d964a943b235a1bd78359e06aa3cf

      SHA512

      afd1d9c804174f173798eff312653b5303166b891db98ca2d182e075f75ea3ecb3c4ecfd17ff8a354f2d4aebe25838c78502191a6685f2cfbf9c7cd62aa456e8

    • memory/848-66-0x00000000713A0000-0x00000000716F4000-memory.dmp

      Filesize

      3.3MB

    • memory/848-77-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

      Filesize

      68KB

    • memory/848-78-0x0000000007E30000-0x0000000007E44000-memory.dmp

      Filesize

      80KB

    • memory/848-65-0x0000000070C20000-0x0000000070C6C000-memory.dmp

      Filesize

      304KB

    • memory/848-60-0x0000000006230000-0x0000000006584000-memory.dmp

      Filesize

      3.3MB

    • memory/848-76-0x0000000007AB0000-0x0000000007B53000-memory.dmp

      Filesize

      652KB

    • memory/1164-145-0x0000000070C20000-0x0000000070C6C000-memory.dmp

      Filesize

      304KB

    • memory/1164-146-0x00000000713A0000-0x00000000716F4000-memory.dmp

      Filesize

      3.3MB

    • memory/1280-157-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-233-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-240-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-252-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-215-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-218-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-221-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-224-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-228-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-230-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-248-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-245-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-236-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1644-242-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2540-182-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2540-104-0x00000000047D0000-0x0000000004BCC000-memory.dmp

      Filesize

      4.0MB

    • memory/2540-128-0x0000000004BD0000-0x00000000054BB000-memory.dmp

      Filesize

      8.9MB

    • memory/2540-127-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/2540-1-0x00000000047D0000-0x0000000004BCC000-memory.dmp

      Filesize

      4.0MB

    • memory/2540-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2540-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp

      Filesize

      8.9MB

    • memory/2580-28-0x0000000007620000-0x0000000007652000-memory.dmp

      Filesize

      200KB

    • memory/2580-23-0x00000000060E0000-0x000000000612C000-memory.dmp

      Filesize

      304KB

    • memory/2580-50-0x0000000007810000-0x0000000007818000-memory.dmp

      Filesize

      32KB

    • memory/2580-4-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

      Filesize

      4KB

    • memory/2580-49-0x00000000078D0000-0x00000000078EA000-memory.dmp

      Filesize

      104KB

    • memory/2580-5-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

      Filesize

      216KB

    • memory/2580-6-0x00000000052F0000-0x0000000005918000-memory.dmp

      Filesize

      6.2MB

    • memory/2580-48-0x00000000077E0000-0x00000000077F4000-memory.dmp

      Filesize

      80KB

    • memory/2580-47-0x00000000077D0000-0x00000000077DE000-memory.dmp

      Filesize

      56KB

    • memory/2580-7-0x0000000074D80000-0x0000000075530000-memory.dmp

      Filesize

      7.7MB

    • memory/2580-8-0x0000000074D80000-0x0000000075530000-memory.dmp

      Filesize

      7.7MB

    • memory/2580-46-0x0000000007790000-0x00000000077A1000-memory.dmp

      Filesize

      68KB

    • memory/2580-45-0x0000000007830000-0x00000000078C6000-memory.dmp

      Filesize

      600KB

    • memory/2580-44-0x0000000007770000-0x000000000777A000-memory.dmp

      Filesize

      40KB

    • memory/2580-42-0x0000000007680000-0x0000000007723000-memory.dmp

      Filesize

      652KB

    • memory/2580-43-0x0000000074D80000-0x0000000075530000-memory.dmp

      Filesize

      7.7MB

    • memory/2580-41-0x0000000007660000-0x000000000767E000-memory.dmp

      Filesize

      120KB

    • memory/2580-30-0x0000000074D80000-0x0000000075530000-memory.dmp

      Filesize

      7.7MB

    • memory/2580-9-0x00000000051F0000-0x0000000005212000-memory.dmp

      Filesize

      136KB

    • memory/2580-31-0x00000000711D0000-0x0000000071524000-memory.dmp

      Filesize

      3.3MB

    • memory/2580-10-0x00000000059D0000-0x0000000005A36000-memory.dmp

      Filesize

      408KB

    • memory/2580-11-0x0000000005A40000-0x0000000005AA6000-memory.dmp

      Filesize

      408KB

    • memory/2580-21-0x0000000005AB0000-0x0000000005E04000-memory.dmp

      Filesize

      3.3MB

    • memory/2580-22-0x0000000006090000-0x00000000060AE000-memory.dmp

      Filesize

      120KB

    • memory/2580-29-0x0000000070C20000-0x0000000070C6C000-memory.dmp

      Filesize

      304KB

    • memory/2580-53-0x0000000074D80000-0x0000000075530000-memory.dmp

      Filesize

      7.7MB

    • memory/2580-24-0x0000000006610000-0x0000000006654000-memory.dmp

      Filesize

      272KB

    • memory/2580-25-0x00000000073C0000-0x0000000007436000-memory.dmp

      Filesize

      472KB

    • memory/2580-27-0x0000000007460000-0x000000000747A000-memory.dmp

      Filesize

      104KB

    • memory/2580-26-0x0000000007AC0000-0x000000000813A000-memory.dmp

      Filesize

      6.5MB

    • memory/3428-171-0x0000000070CC0000-0x0000000071014000-memory.dmp

      Filesize

      3.3MB

    • memory/3428-169-0x0000000005EE0000-0x0000000005F2C000-memory.dmp

      Filesize

      304KB

    • memory/3428-167-0x0000000005890000-0x0000000005BE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3428-184-0x0000000005C30000-0x0000000005C44000-memory.dmp

      Filesize

      80KB

    • memory/3428-183-0x00000000073C0000-0x00000000073D1000-memory.dmp

      Filesize

      68KB

    • memory/3428-181-0x00000000070B0000-0x0000000007153000-memory.dmp

      Filesize

      652KB

    • memory/3428-170-0x0000000070B40000-0x0000000070B8C000-memory.dmp

      Filesize

      304KB

    • memory/3972-117-0x00000000713A0000-0x00000000716F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3972-116-0x0000000070C20000-0x0000000070C6C000-memory.dmp

      Filesize

      304KB

    • memory/4216-94-0x0000000070DA0000-0x00000000710F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4216-93-0x0000000070C20000-0x0000000070C6C000-memory.dmp

      Filesize

      304KB

    • memory/4216-91-0x0000000006450000-0x00000000067A4000-memory.dmp

      Filesize

      3.3MB

    • memory/4708-197-0x0000000070B40000-0x0000000070B8C000-memory.dmp

      Filesize

      304KB

    • memory/4708-198-0x00000000712D0000-0x0000000071624000-memory.dmp

      Filesize

      3.3MB

    • memory/4708-191-0x0000000005640000-0x0000000005994000-memory.dmp

      Filesize

      3.3MB