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Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 19:44

General

  • Target

    d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe

  • Size

    4.1MB

  • MD5

    e8d3abafd52c58d8156c7fac68bb0c2f

  • SHA1

    469600b25b3acb5d8f944fccf4a0accb6c31ca1a

  • SHA256

    d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f

  • SHA512

    197a01329720d90533aa3ea74b7fec45b69876526c58b2e11d0fd7507e4661f777e18144fea37e2c1519fb857837a25b5deb851447ae38f4c557463a61dadda5

  • SSDEEP

    98304:BdQuuPHa5MdStgxripkXnRwi4vnPQHeH26Ah+8mVZTj:guu/awStgipkXtkP6Loj

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
  • 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\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe
    "C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3820
    • C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.exe
      "C:\Users\Admin\AppData\Local\Temp\d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f.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:1788
      • 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:2744
      • 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:3384
        • 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:4572
      • 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:1228
      • 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:2024
      • 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:2588
        • 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:2036
        • 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:4196
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1936
          • 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:3160
          • 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:4288
          • 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:364
          • 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:4828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lljf3c3t.2kv.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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      19KB

      MD5

      dfb9aff2e95f147b0241b5adfb514070

      SHA1

      b36b175960d1102d4b46f75a1d58d5d4ad3e79d7

      SHA256

      b18bcd33edf1605633aa6f236538ffd6270705e074d2a8b20e5f2753e704ce86

      SHA512

      9c5e2a941b39df95a7bd3ca3c6fe9f54eb1317d1ecf2664bdf800afc068717c3f4697d4de71a95ab70af835d34428f8469074624296bb86cb9376ba06c770a2f

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

      Filesize

      19KB

      MD5

      d5e6604fb456923d12e80697095e0471

      SHA1

      b9f5f1401348bebf28c836bf2d16fb5b3d866e6c

      SHA256

      33e763da30381f76955a5194bf8cb35b5109f5dae352f51dcdec3c006d21769e

      SHA512

      5b61c6534051dde22fd9987d4543e90ed96b10c3951b0e9b72907d16f3d795348f2ba59b385eb75d639335a940031bebbe003d68ef66c90b78e2c248cf89fd13

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

      Filesize

      19KB

      MD5

      42af07cf8de9012076f9477d80d0859b

      SHA1

      9837da8d37ba5e5d05c468e3b8c1b410fee7f6f9

      SHA256

      bd312bab4463d56d80403b348c11743b4805e2b0f2a7387afef6b7f33cca620e

      SHA512

      691b06561fd6f2600fca64dfb90970198b8a0b50903d7f226a8a5d367652ee01d89dfbe044ad7c08e1a28abde9c1b03817de1710d6cd64a805b6ec5b98b211db

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

      Filesize

      19KB

      MD5

      699dead118c7f2dc31c594a1a0fe9d82

      SHA1

      ef0ef7c3ffb78a1866097cece4623f769033d726

      SHA256

      e05aa214cbf6ba780d68df94b13e8512b2f026c732b96e17985b6981c6ce67d1

      SHA512

      3ade4483e778896626f5fcd31a4c0db6bc1e79428e8480e961aada62ec6981a1c9a30d52850f0b34ef998497d6fc0b80fc2f5a421c94d9cb0734f7239cdb3b9e

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

      Filesize

      19KB

      MD5

      814be363c49a1f1abf38818d18e5d8ab

      SHA1

      341f5d32b3d3e525673f50bfd805a11e0b90055b

      SHA256

      42de801209437d3e28304df45636d336ae932ffbc6dd0849fb3fae5ab84fa7e2

      SHA512

      0e695dd067d12f62049e1962bb08f1b171ab8157652c306632fb295db1b6844b1adf23069f700e2ac7aa4e3bf59ff4a6c29889150c890ddfe028d4d3047211cf

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      e8d3abafd52c58d8156c7fac68bb0c2f

      SHA1

      469600b25b3acb5d8f944fccf4a0accb6c31ca1a

      SHA256

      d8f62d50bcacd08f63e9b410da1e3e8165957265ffc038318484116ccaa4563f

      SHA512

      197a01329720d90533aa3ea74b7fec45b69876526c58b2e11d0fd7507e4661f777e18144fea37e2c1519fb857837a25b5deb851447ae38f4c557463a61dadda5

    • memory/1212-2-0x0000000004F50000-0x000000000583B000-memory.dmp

      Filesize

      8.9MB

    • memory/1212-59-0x0000000004F50000-0x000000000583B000-memory.dmp

      Filesize

      8.9MB

    • memory/1212-57-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1212-3-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1212-1-0x0000000004B40000-0x0000000004F43000-memory.dmp

      Filesize

      4.0MB

    • memory/1212-28-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1228-100-0x00000000702B0000-0x0000000070604000-memory.dmp

      Filesize

      3.3MB

    • memory/1228-99-0x0000000070130000-0x000000007017C000-memory.dmp

      Filesize

      304KB

    • memory/1788-71-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/1788-136-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2024-121-0x0000000070130000-0x000000007017C000-memory.dmp

      Filesize

      304KB

    • memory/2024-122-0x00000000702B0000-0x0000000070604000-memory.dmp

      Filesize

      3.3MB

    • memory/2036-164-0x0000000007B00000-0x0000000007B11000-memory.dmp

      Filesize

      68KB

    • memory/2036-165-0x00000000063B0000-0x00000000063C4000-memory.dmp

      Filesize

      80KB

    • memory/2036-150-0x0000000006AD0000-0x0000000006B1C000-memory.dmp

      Filesize

      304KB

    • memory/2036-152-0x0000000070830000-0x0000000070B84000-memory.dmp

      Filesize

      3.3MB

    • memory/2036-144-0x0000000005F30000-0x0000000006284000-memory.dmp

      Filesize

      3.3MB

    • memory/2036-162-0x00000000077E0000-0x0000000007883000-memory.dmp

      Filesize

      652KB

    • memory/2036-151-0x0000000070090000-0x00000000700DC000-memory.dmp

      Filesize

      304KB

    • memory/2588-217-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-167-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-163-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-223-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-224-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-225-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-226-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-227-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-228-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-229-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2588-230-0x0000000000400000-0x0000000002ED3000-memory.dmp

      Filesize

      42.8MB

    • memory/2744-72-0x0000000070130000-0x000000007017C000-memory.dmp

      Filesize

      304KB

    • memory/2744-85-0x0000000007FA0000-0x0000000007FB4000-memory.dmp

      Filesize

      80KB

    • memory/2744-69-0x00000000065E0000-0x0000000006934000-memory.dmp

      Filesize

      3.3MB

    • memory/2744-70-0x0000000006A90000-0x0000000006ADC000-memory.dmp

      Filesize

      304KB

    • memory/2744-73-0x00000000702B0000-0x0000000070604000-memory.dmp

      Filesize

      3.3MB

    • memory/2744-83-0x0000000007C60000-0x0000000007D03000-memory.dmp

      Filesize

      652KB

    • memory/2744-84-0x0000000007F50000-0x0000000007F61000-memory.dmp

      Filesize

      68KB

    • memory/3160-177-0x0000000005870000-0x0000000005BC4000-memory.dmp

      Filesize

      3.3MB

    • memory/3160-192-0x0000000005CD0000-0x0000000005CE1000-memory.dmp

      Filesize

      68KB

    • memory/3160-191-0x0000000007130000-0x00000000071D3000-memory.dmp

      Filesize

      652KB

    • memory/3160-181-0x0000000070740000-0x0000000070A94000-memory.dmp

      Filesize

      3.3MB

    • memory/3160-180-0x000000006FFB0000-0x000000006FFFC000-memory.dmp

      Filesize

      304KB

    • memory/3160-193-0x0000000005D80000-0x0000000005D94000-memory.dmp

      Filesize

      80KB

    • memory/3160-179-0x0000000005F50000-0x0000000005F9C000-memory.dmp

      Filesize

      304KB

    • memory/3820-49-0x0000000007F70000-0x0000000007F81000-memory.dmp

      Filesize

      68KB

    • memory/3820-51-0x0000000007FC0000-0x0000000007FD4000-memory.dmp

      Filesize

      80KB

    • memory/3820-44-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/3820-45-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/3820-46-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/3820-42-0x0000000007E20000-0x0000000007E3E000-memory.dmp

      Filesize

      120KB

    • memory/3820-29-0x0000000007DE0000-0x0000000007E12000-memory.dmp

      Filesize

      200KB

    • memory/3820-31-0x0000000070790000-0x0000000070AE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3820-32-0x000000007FAE0000-0x000000007FAF0000-memory.dmp

      Filesize

      64KB

    • memory/3820-30-0x0000000070030000-0x000000007007C000-memory.dmp

      Filesize

      304KB

    • memory/3820-27-0x0000000007C20000-0x0000000007C3A000-memory.dmp

      Filesize

      104KB

    • memory/3820-26-0x0000000008280000-0x00000000088FA000-memory.dmp

      Filesize

      6.5MB

    • memory/3820-25-0x0000000007B80000-0x0000000007BF6000-memory.dmp

      Filesize

      472KB

    • memory/3820-47-0x0000000007F30000-0x0000000007F3A000-memory.dmp

      Filesize

      40KB

    • memory/3820-24-0x0000000006D80000-0x0000000006DC4000-memory.dmp

      Filesize

      272KB

    • memory/3820-48-0x0000000007FF0000-0x0000000008086000-memory.dmp

      Filesize

      600KB

    • memory/3820-50-0x0000000007FB0000-0x0000000007FBE000-memory.dmp

      Filesize

      56KB

    • memory/3820-43-0x0000000007E40000-0x0000000007EE3000-memory.dmp

      Filesize

      652KB

    • memory/3820-52-0x00000000080B0000-0x00000000080CA000-memory.dmp

      Filesize

      104KB

    • memory/3820-53-0x00000000080A0000-0x00000000080A8000-memory.dmp

      Filesize

      32KB

    • memory/3820-56-0x0000000074190000-0x0000000074940000-memory.dmp

      Filesize

      7.7MB

    • memory/3820-23-0x0000000006E10000-0x0000000006E5C000-memory.dmp

      Filesize

      304KB

    • memory/3820-4-0x0000000005290000-0x00000000052C6000-memory.dmp

      Filesize

      216KB

    • memory/3820-5-0x0000000074190000-0x0000000074940000-memory.dmp

      Filesize

      7.7MB

    • memory/3820-22-0x0000000006860000-0x000000000687E000-memory.dmp

      Filesize

      120KB

    • memory/3820-21-0x0000000006260000-0x00000000065B4000-memory.dmp

      Filesize

      3.3MB

    • memory/3820-11-0x00000000061F0000-0x0000000006256000-memory.dmp

      Filesize

      408KB

    • memory/3820-10-0x0000000006180000-0x00000000061E6000-memory.dmp

      Filesize

      408KB

    • memory/3820-9-0x0000000005FE0000-0x0000000006002000-memory.dmp

      Filesize

      136KB

    • memory/3820-8-0x00000000059B0000-0x0000000005FD8000-memory.dmp

      Filesize

      6.2MB

    • memory/3820-7-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/3820-6-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/4288-205-0x000000006FFB0000-0x000000006FFFC000-memory.dmp

      Filesize

      304KB

    • memory/4288-206-0x0000000070740000-0x0000000070A94000-memory.dmp

      Filesize

      3.3MB