Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 22:26

General

  • Target

    782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe

  • Size

    4.2MB

  • MD5

    a8ecd54b2d45b34014942cd86912b3a2

  • SHA1

    e7353349e276e72091cbd994d238cb0587062ac0

  • SHA256

    782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774

  • SHA512

    4f0945a7c918de995766ca4efad9b2d68dd706e2b2e01d15de1e10b79d861d70db5ea70018ee085196e1963855239d9daf662e9facfe242b6dafb85ccf6b9bb1

  • SSDEEP

    98304:3amOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG16:3Ty8Jy4o9ecZxQhwo8IinPG16

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\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe
    "C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe
      "C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.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:332
      • 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:3544
      • 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:3328
        • 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:4956
      • 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:3700
      • 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:3776
      • 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:4988
        • 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:4984
        • 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:2016
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2760
          • 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:2648
          • 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:2292
          • 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:3700
          • 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:4064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_alnedqhf.wpn.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

      75685751ec7409c5b64a34e682216e08

      SHA1

      366e93e96bb4a3852b737b3a61e6e1917acc812c

      SHA256

      67ea564e0c5305ae12cea18c948dfea305137d41a19de8362c8e5b2676ba67b3

      SHA512

      a8944e5ec63d4739a26f14ebaf4abe5611da09ed5b49253b19bb9b07bc0113a7523b1d284a7baa10c40c00b83d7755495ed76af99a2fc630e79bc9457c9166a9

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

      Filesize

      19KB

      MD5

      af90324d046bc65708518e5e266b8f38

      SHA1

      25d1a97c3714097c5e094411e460814a5aa760fa

      SHA256

      3c266f63e54f3aa15bacb6c2b377438c15d845dc5179f0e8f0c26c8e88002e2e

      SHA512

      ec75db98928b03291585c4929aa3ede73c22eb3ef23fb4944a23d0e1cd1f46010de1ab62e6ddd85b974de1450f2c8b75f0edd6b177639ab78c890d16753cc35b

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

      Filesize

      19KB

      MD5

      b6227b57e87887da61ac9dc8722c150a

      SHA1

      1f51b550719c2d87eb934cae057330e62159a99b

      SHA256

      9f10464113899e02ecd6a7a84fcfe367b8b96ad67d49779b73243c83a72d6ea0

      SHA512

      739a0325d39a5871d6cd21ef84c61278835d21279d67d46f6902ee2ae5ad7a3fa4b3ca87aad85cd5944c94148c301347b18eeb55271953b90a0173fd0d62bf93

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

      Filesize

      19KB

      MD5

      36b7499c3cf6bd72b4be6a6d98a488f8

      SHA1

      6bbdb9b6dbf1aa376ede1e32fd9fe8ecc7ce66fd

      SHA256

      bd5a1e7186983aa8fa3e838a76c3d89f766b827f9e4ebde120eb55c9db3583c9

      SHA512

      9bc08ead1da52812da3e50a0ba92ca5e0f88cc81c52ea781aa8524bf60c71379905ca073719f6eb03577ca395e647988891ef05ac9ccd22afda5f8c3f41f5b89

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

      Filesize

      19KB

      MD5

      521a9f55c1f8c52a163a86d3a7a0b76f

      SHA1

      c9aad278a251ace808dba5953def1b05d686e01f

      SHA256

      abd9cdeb7324096bc7b3970c2044b9bea1b34cce4fd5cc7594b1f7e676bd6370

      SHA512

      bc9352b59ed6e7303af52a7a73900c96228d5a40ec5e75cd5c3e138a18d60de5dc05e4de85fd5ca9996c7a796cb85a11643b0f420d065525243fec17a87a8f9e

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      a8ecd54b2d45b34014942cd86912b3a2

      SHA1

      e7353349e276e72091cbd994d238cb0587062ac0

      SHA256

      782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774

      SHA512

      4f0945a7c918de995766ca4efad9b2d68dd706e2b2e01d15de1e10b79d861d70db5ea70018ee085196e1963855239d9daf662e9facfe242b6dafb85ccf6b9bb1

    • memory/332-158-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/2292-198-0x0000000005620000-0x0000000005974000-memory.dmp

      Filesize

      3.3MB

    • memory/2292-200-0x00000000700E0000-0x000000007012C000-memory.dmp

      Filesize

      304KB

    • memory/2292-201-0x0000000070870000-0x0000000070BC4000-memory.dmp

      Filesize

      3.3MB

    • memory/2648-175-0x0000000070260000-0x00000000705B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2648-174-0x00000000700E0000-0x000000007012C000-memory.dmp

      Filesize

      304KB

    • memory/2648-173-0x0000000006610000-0x000000000665C000-memory.dmp

      Filesize

      304KB

    • memory/2648-185-0x0000000007810000-0x00000000078B3000-memory.dmp

      Filesize

      652KB

    • memory/2648-171-0x0000000006090000-0x00000000063E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2648-186-0x0000000007B40000-0x0000000007B51000-memory.dmp

      Filesize

      68KB

    • memory/2648-187-0x0000000006410000-0x0000000006424000-memory.dmp

      Filesize

      80KB

    • memory/3544-79-0x0000000007530000-0x0000000007544000-memory.dmp

      Filesize

      80KB

    • memory/3544-61-0x0000000005960000-0x0000000005CB4000-memory.dmp

      Filesize

      3.3MB

    • memory/3544-67-0x0000000070960000-0x0000000070CB4000-memory.dmp

      Filesize

      3.3MB

    • memory/3544-66-0x00000000701C0000-0x000000007020C000-memory.dmp

      Filesize

      304KB

    • memory/3544-77-0x0000000006FB0000-0x0000000007053000-memory.dmp

      Filesize

      652KB

    • memory/3544-78-0x00000000074E0000-0x00000000074F1000-memory.dmp

      Filesize

      68KB

    • memory/3700-95-0x00000000701C0000-0x000000007020C000-memory.dmp

      Filesize

      304KB

    • memory/3700-96-0x0000000070340000-0x0000000070694000-memory.dmp

      Filesize

      3.3MB

    • memory/3776-119-0x0000000070340000-0x0000000070694000-memory.dmp

      Filesize

      3.3MB

    • memory/3776-118-0x00000000701C0000-0x000000007020C000-memory.dmp

      Filesize

      304KB

    • memory/4368-80-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4368-81-0x0000000002130000-0x000000000252F000-memory.dmp

      Filesize

      4.0MB

    • memory/4368-1-0x0000000002130000-0x000000000252F000-memory.dmp

      Filesize

      4.0MB

    • memory/4368-106-0x0000000003ED0000-0x00000000047BB000-memory.dmp

      Filesize

      8.9MB

    • memory/4368-3-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4368-2-0x0000000003ED0000-0x00000000047BB000-memory.dmp

      Filesize

      8.9MB

    • memory/4916-26-0x00000000070E0000-0x00000000070FA000-memory.dmp

      Filesize

      104KB

    • memory/4916-21-0x0000000005D10000-0x0000000005D2E000-memory.dmp

      Filesize

      120KB

    • memory/4916-51-0x00000000074A0000-0x00000000074A8000-memory.dmp

      Filesize

      32KB

    • memory/4916-50-0x00000000074B0000-0x00000000074CA000-memory.dmp

      Filesize

      104KB

    • memory/4916-49-0x0000000007460000-0x0000000007474000-memory.dmp

      Filesize

      80KB

    • memory/4916-48-0x0000000007440000-0x000000000744E000-memory.dmp

      Filesize

      56KB

    • memory/4916-47-0x0000000007400000-0x0000000007411000-memory.dmp

      Filesize

      68KB

    • memory/4916-29-0x00000000701C0000-0x000000007020C000-memory.dmp

      Filesize

      304KB

    • memory/4916-27-0x00000000072A0000-0x00000000072D2000-memory.dmp

      Filesize

      200KB

    • memory/4916-46-0x0000000007500000-0x0000000007596000-memory.dmp

      Filesize

      600KB

    • memory/4916-45-0x00000000073F0000-0x00000000073FA000-memory.dmp

      Filesize

      40KB

    • memory/4916-44-0x0000000007300000-0x00000000073A3000-memory.dmp

      Filesize

      652KB

    • memory/4916-28-0x000000007F8C0000-0x000000007F8D0000-memory.dmp

      Filesize

      64KB

    • memory/4916-41-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/4916-42-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/4916-30-0x0000000070340000-0x0000000070694000-memory.dmp

      Filesize

      3.3MB

    • memory/4916-25-0x0000000007740000-0x0000000007DBA000-memory.dmp

      Filesize

      6.5MB

    • memory/4916-40-0x00000000072E0000-0x00000000072FE000-memory.dmp

      Filesize

      120KB

    • memory/4916-43-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/4916-24-0x0000000007040000-0x00000000070B6000-memory.dmp

      Filesize

      472KB

    • memory/4916-6-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/4916-23-0x0000000006120000-0x0000000006164000-memory.dmp

      Filesize

      272KB

    • memory/4916-22-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

      Filesize

      304KB

    • memory/4916-54-0x0000000074320000-0x0000000074AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-20-0x00000000056E0000-0x0000000005A34000-memory.dmp

      Filesize

      3.3MB

    • memory/4916-10-0x00000000055B0000-0x0000000005616000-memory.dmp

      Filesize

      408KB

    • memory/4916-9-0x0000000005540000-0x00000000055A6000-memory.dmp

      Filesize

      408KB

    • memory/4916-8-0x0000000004E40000-0x0000000004E62000-memory.dmp

      Filesize

      136KB

    • memory/4916-7-0x0000000004F10000-0x0000000005538000-memory.dmp

      Filesize

      6.2MB

    • memory/4916-4-0x0000000004770000-0x00000000047A6000-memory.dmp

      Filesize

      216KB

    • memory/4916-5-0x0000000074320000-0x0000000074AD0000-memory.dmp

      Filesize

      7.7MB

    • memory/4984-145-0x00000000701C0000-0x000000007020C000-memory.dmp

      Filesize

      304KB

    • memory/4984-146-0x0000000070340000-0x0000000070694000-memory.dmp

      Filesize

      3.3MB

    • memory/4988-227-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-218-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-221-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-223-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-160-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-230-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-233-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-236-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-239-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-242-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-245-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-248-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB

    • memory/4988-250-0x0000000000400000-0x0000000001DFB000-memory.dmp

      Filesize

      26.0MB