Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 20:38

General

  • Target

    225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe

  • Size

    4.1MB

  • MD5

    e2fd3f6c0c2dbc7067e3a4fd0431017a

  • SHA1

    7f47fcfab1f58d6edf17f85e90452a60cfae6a1f

  • SHA256

    225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898

  • SHA512

    6ababb4a85e2a4bfdcb9d6da2e68b1446ce8f0c0352ecd3911667b9ae2f23df619c654f683d0b765ca55b5409d8ebbf726f66d432af5b4901cbecb93a80deddd

  • SSDEEP

    98304:77sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNI:7zgmDywQg+foZ8mw6SO

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe
    "C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:208
    • 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:4456
    • C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.exe
      "C:\Users\Admin\AppData\Local\Temp\225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898.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:4180
      • 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:1828
      • 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:2008
        • 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:3756
      • 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:4340
      • 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:3340
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3272
        • 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:3796
        • 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:376
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4176
          • 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:1812
          • 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:3468
          • 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:520
          • 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:4708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zdskhv2m.fuz.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

      ce0c75c03fd52ed60a730798a0d06bdb

      SHA1

      6b19c2c44bf3161d5ee842b752a65da8947a88fd

      SHA256

      439d944925a02613326069ba63d20e5e1cc2c5f9896ba47141cc07d86988e323

      SHA512

      6a8a299ed6bda3afe7389d00c4cbf5f81053542fa936f9546f3ee3e9b1ef67be174e5b32553a585f79d2902d24f0415c6eae26c264b6138ff060f5562eed59c5

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

      Filesize

      19KB

      MD5

      54e49505634ab0d23110c90f3f0ce973

      SHA1

      7fdee9cae5e4d6af5ab22b560ec261408a0dedda

      SHA256

      99d407facfcfc702e7f7b6fec729ec226f33a24b4cbbf5e9cd88d559c275a149

      SHA512

      b9ac6f60a0c9d61e00fe7574472ddb32b6eb6b4b7defcd70fffb9d09bce9184ba49ebbfbf0d9874f7622dbe57571ec680d5a6ebe81bdedf776c6b4fcfaf0d954

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

      Filesize

      19KB

      MD5

      aee1071bfcbde8163e30ddbca4e678ac

      SHA1

      791ecb33b36b91439720e9a265a3bbc734a616f2

      SHA256

      8870b0fcb3ef6366b847a34949a10ba06906baf55e384801186c487f8c29f213

      SHA512

      903198ee65830289b4c11aa6cac9116ad4d3f8125501cc917819f47ff5ae35ff20c6e488cab48c7c2cf3e1e8a9fe6ae64bfbf3efb6e929327b04b5ad610f7d6b

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

      Filesize

      19KB

      MD5

      d8bfff1ada8a6ed009ee8f6926d2f1c1

      SHA1

      e041239baf491fb2501074e3f5eb833a80d3b619

      SHA256

      18092d33f8b7c02f0d2a6aae6e7f6600b52585fd2548601ea2b7c340fbf96446

      SHA512

      6a40a1911ee1fd30c133e46564781cc5250353c25f533d8511cf2d058e25a1ee7575debcb9035f73599f38071beaebae6be55eca3a5fb17e7f36e8eb81689f88

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

      Filesize

      19KB

      MD5

      860418f1db4bcaeb3e2c12d460a90214

      SHA1

      baaa6801c31e1fe5c3f2cdc5addea22103824a8d

      SHA256

      7b9c1132444e993c1267f317857e207320dc85c6a34e12ca625838376e75c901

      SHA512

      f1722c5eccadcc132928fc9a1e672973b0aa11eaa434e4468c24e62f07ada47680030b14ce3f9ef78eccae8bc5da8ad13d9f9052882e6d04faaf3bd8ff3d8c53

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      e2fd3f6c0c2dbc7067e3a4fd0431017a

      SHA1

      7f47fcfab1f58d6edf17f85e90452a60cfae6a1f

      SHA256

      225d3470a778ccafe32bc3fc70e5f56668dc3ede3d892bcb0d579d1866bc9898

      SHA512

      6ababb4a85e2a4bfdcb9d6da2e68b1446ce8f0c0352ecd3911667b9ae2f23df619c654f683d0b765ca55b5409d8ebbf726f66d432af5b4901cbecb93a80deddd

    • memory/208-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/208-129-0x0000000004810000-0x00000000050FB000-memory.dmp

      Filesize

      8.9MB

    • memory/208-2-0x0000000004810000-0x00000000050FB000-memory.dmp

      Filesize

      8.9MB

    • memory/208-93-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/208-1-0x0000000004400000-0x0000000004803000-memory.dmp

      Filesize

      4.0MB

    • memory/208-128-0x0000000004400000-0x0000000004803000-memory.dmp

      Filesize

      4.0MB

    • memory/208-197-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1812-172-0x0000000070FC0000-0x0000000071314000-memory.dmp

      Filesize

      3.3MB

    • memory/1812-171-0x0000000070830000-0x000000007087C000-memory.dmp

      Filesize

      304KB

    • memory/1812-167-0x0000000005B40000-0x0000000005E94000-memory.dmp

      Filesize

      3.3MB

    • memory/1812-183-0x00000000077A0000-0x00000000077B1000-memory.dmp

      Filesize

      68KB

    • memory/1812-170-0x0000000006340000-0x000000000638C000-memory.dmp

      Filesize

      304KB

    • memory/1812-182-0x0000000007430000-0x00000000074D3000-memory.dmp

      Filesize

      652KB

    • memory/1812-184-0x0000000006000000-0x0000000006014000-memory.dmp

      Filesize

      80KB

    • memory/1828-78-0x0000000007AC0000-0x0000000007AD4000-memory.dmp

      Filesize

      80KB

    • memory/1828-60-0x0000000005E90000-0x00000000061E4000-memory.dmp

      Filesize

      3.3MB

    • memory/1828-77-0x0000000007A70000-0x0000000007A81000-memory.dmp

      Filesize

      68KB

    • memory/1828-76-0x0000000007760000-0x0000000007803000-memory.dmp

      Filesize

      652KB

    • memory/1828-66-0x00000000710B0000-0x0000000071404000-memory.dmp

      Filesize

      3.3MB

    • memory/1828-65-0x0000000070910000-0x000000007095C000-memory.dmp

      Filesize

      304KB

    • memory/3272-234-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-222-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-216-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-231-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-228-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-239-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-243-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-246-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-249-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-251-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-224-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-236-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3272-219-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/3340-106-0x0000000005FA0000-0x00000000062F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3340-117-0x0000000070910000-0x000000007095C000-memory.dmp

      Filesize

      304KB

    • memory/3340-118-0x0000000071090000-0x00000000713E4000-memory.dmp

      Filesize

      3.3MB

    • memory/3468-199-0x0000000070FC0000-0x0000000071314000-memory.dmp

      Filesize

      3.3MB

    • memory/3468-198-0x0000000070830000-0x000000007087C000-memory.dmp

      Filesize

      304KB

    • memory/3796-146-0x0000000070910000-0x000000007095C000-memory.dmp

      Filesize

      304KB

    • memory/3796-147-0x0000000070A90000-0x0000000070DE4000-memory.dmp

      Filesize

      3.3MB

    • memory/4180-157-0x0000000000400000-0x0000000002733000-memory.dmp

      Filesize

      35.2MB

    • memory/4340-91-0x0000000006210000-0x0000000006564000-memory.dmp

      Filesize

      3.3MB

    • memory/4340-95-0x0000000070A90000-0x0000000070DE4000-memory.dmp

      Filesize

      3.3MB

    • memory/4340-94-0x0000000070910000-0x000000007095C000-memory.dmp

      Filesize

      304KB

    • memory/4456-25-0x0000000007420000-0x0000000007496000-memory.dmp

      Filesize

      472KB

    • memory/4456-29-0x0000000070910000-0x000000007095C000-memory.dmp

      Filesize

      304KB

    • memory/4456-30-0x0000000070AB0000-0x0000000070E04000-memory.dmp

      Filesize

      3.3MB

    • memory/4456-26-0x0000000007B20000-0x000000000819A000-memory.dmp

      Filesize

      6.5MB

    • memory/4456-23-0x0000000006110000-0x000000000615C000-memory.dmp

      Filesize

      304KB

    • memory/4456-22-0x00000000060F0000-0x000000000610E000-memory.dmp

      Filesize

      120KB

    • memory/4456-17-0x0000000005B10000-0x0000000005E64000-memory.dmp

      Filesize

      3.3MB

    • memory/4456-11-0x0000000005AA0000-0x0000000005B06000-memory.dmp

      Filesize

      408KB

    • memory/4456-10-0x0000000005A30000-0x0000000005A96000-memory.dmp

      Filesize

      408KB

    • memory/4456-9-0x0000000005210000-0x0000000005232000-memory.dmp

      Filesize

      136KB

    • memory/4456-8-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4456-6-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4456-7-0x0000000005400000-0x0000000005A28000-memory.dmp

      Filesize

      6.2MB

    • memory/4456-5-0x0000000002AE0000-0x0000000002B16000-memory.dmp

      Filesize

      216KB

    • memory/4456-27-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/4456-24-0x0000000006630000-0x0000000006674000-memory.dmp

      Filesize

      272KB

    • memory/4456-4-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/4456-28-0x0000000007650000-0x0000000007682000-memory.dmp

      Filesize

      200KB

    • memory/4456-31-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4456-42-0x00000000076B0000-0x0000000007753000-memory.dmp

      Filesize

      652KB

    • memory/4456-41-0x0000000007690000-0x00000000076AE000-memory.dmp

      Filesize

      120KB

    • memory/4456-53-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4456-50-0x0000000007860000-0x0000000007868000-memory.dmp

      Filesize

      32KB

    • memory/4456-49-0x0000000007920000-0x000000000793A000-memory.dmp

      Filesize

      104KB

    • memory/4456-48-0x0000000007830000-0x0000000007844000-memory.dmp

      Filesize

      80KB

    • memory/4456-47-0x0000000007820000-0x000000000782E000-memory.dmp

      Filesize

      56KB

    • memory/4456-46-0x00000000077E0000-0x00000000077F1000-memory.dmp

      Filesize

      68KB

    • memory/4456-45-0x0000000007880000-0x0000000007916000-memory.dmp

      Filesize

      600KB

    • memory/4456-43-0x00000000077A0000-0x00000000077AA000-memory.dmp

      Filesize

      40KB

    • memory/4456-44-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB