Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-04-2024 22:19

General

  • Target

    060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe

  • Size

    4.2MB

  • MD5

    67dc9f120b02613dbf9c920730c7961b

  • SHA1

    710423b4f29585ec50c11c6452e840a0c515dbd4

  • SHA256

    060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89

  • SHA512

    4afbbe7a12ba321fdcf64b1d4f4781b313bd0878d22cc1e714fe95b486bf160b56faf4c4980b984e0198c8791ef3ce2ff581d23bfca44723f371f90627a12522

  • SSDEEP

    98304:zkACmlwGsoXusMthX5nnpua2NN0XKOSeI8Ul6HVOyuwfig1Z:R9lLT+v5npu/DmOeIxi1jfic

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\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe
    "C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4844
    • C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe
      "C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.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:1204
      • 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:4324
      • 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:5056
        • 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:5000
      • 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:1800
      • 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:1888
      • 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:2780
        • 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:3200
        • 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:484
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4172
          • 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:4408
          • 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:2504
          • 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:1520
          • 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:4836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eaopc1qs.vvw.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

      d0c46cad6c0778401e21910bd6b56b70

      SHA1

      7be418951ea96326aca445b8dfe449b2bfa0dca6

      SHA256

      9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

      SHA512

      057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

      Filesize

      19KB

      MD5

      78c03b91a7e88ec68c4403586273601a

      SHA1

      9b218451b50445f113980abf5a1ce3df6bedffcb

      SHA256

      dbfcc94a38e12676d8333b71dc353115099e93cabd23b34fff0588c4bd375a2f

      SHA512

      fe0e26ed8ccf0ce1e60b6ca618ad9cfe25747d1b86718920d0b0ba8efd8d73e94abb78ca260a712c4af30d16193913040b7299d9e7ce1045379a6ac5c15b0bee

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

      Filesize

      19KB

      MD5

      ffeafee9efff9459e1f6ded692b2df9c

      SHA1

      9a92843b1c718c16b233674b391cbfcf8a851d90

      SHA256

      ce7bd6cd64c66a872f69a924e498aac73fa01f98c16caae451c6c0a9e237756e

      SHA512

      bda02516c38006054f9b42c3679b80e0b872bc89c640d9c207edb28826f06e5d02ce09303c22cc3b05c5459b76cacb5d85695cf1bb6ad39907fc9e1da218aaa1

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

      Filesize

      19KB

      MD5

      346a8cd67cb1775966213b3923815a17

      SHA1

      9ab3cfbf4ef7ebf99e6738073bd6d1ca671c55b6

      SHA256

      4ee666765582359cffe97f7cf8d6efc95742b02db7f1955f3acdeca8b483d160

      SHA512

      c694c368175d4106f5e162a21988030f3f40f0e1be81f3a0fa35b037d56c09ae88e7214a87a3b75d1e20c82b98de13f24fb405915dafd754218f5407abc03395

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

      Filesize

      19KB

      MD5

      9cca55af56ebd55d9e8269598496bfd6

      SHA1

      0d76a64cdc34b9b594eba899a4ee511bf5633a66

      SHA256

      d94d6d958267c2abc0c93b09cf651a3239db26811122d4b3eb7605410f96c208

      SHA512

      a309c100a8fdd081972a7db576069049892ad414c26418887d6b503b3af3cb8d74a5058353a1d2fe84e06bcb13b30c68541da8a304c5a438ec426d206b74c9e6

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

      Filesize

      19KB

      MD5

      d460ba7fe9dcd4973be2bd403e826439

      SHA1

      f1fa51eec6a5336d60151d260d72914b243d1f98

      SHA256

      a1c844a4a252f22fd8bc1c4c7dd183ce6d82ca4321cddcef663bfc004357ed6a

      SHA512

      16250471ab6012bb615ed450da7659b1d8b20bc5da743994cc1e801540ee67d48ce02e6a8a235a6276a581ed24c8543a028de5e52d05827f2691226d303ca2a8

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      67dc9f120b02613dbf9c920730c7961b

      SHA1

      710423b4f29585ec50c11c6452e840a0c515dbd4

      SHA256

      060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89

      SHA512

      4afbbe7a12ba321fdcf64b1d4f4781b313bd0878d22cc1e714fe95b486bf160b56faf4c4980b984e0198c8791ef3ce2ff581d23bfca44723f371f90627a12522

    • memory/1204-124-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/1800-90-0x0000000070520000-0x0000000070877000-memory.dmp

      Filesize

      3.3MB

    • memory/1800-89-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/1888-110-0x0000000070520000-0x0000000070877000-memory.dmp

      Filesize

      3.3MB

    • memory/1888-109-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/2504-187-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/2504-185-0x0000000005970000-0x0000000005CC7000-memory.dmp

      Filesize

      3.3MB

    • memory/2504-188-0x0000000070510000-0x0000000070867000-memory.dmp

      Filesize

      3.3MB

    • memory/2780-223-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-198-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-219-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-205-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-217-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-215-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-150-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-211-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-221-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-213-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-225-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-209-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/2780-207-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/3200-127-0x0000000005910000-0x0000000005C67000-memory.dmp

      Filesize

      3.3MB

    • memory/3200-138-0x00000000705F0000-0x0000000070947000-memory.dmp

      Filesize

      3.3MB

    • memory/3200-137-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/3768-147-0x0000000003F20000-0x000000000480B000-memory.dmp

      Filesize

      8.9MB

    • memory/3768-3-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/3768-2-0x0000000003F20000-0x000000000480B000-memory.dmp

      Filesize

      8.9MB

    • memory/3768-119-0x0000000002170000-0x0000000002575000-memory.dmp

      Filesize

      4.0MB

    • memory/3768-88-0x0000000000400000-0x0000000001DFA000-memory.dmp

      Filesize

      26.0MB

    • memory/3768-1-0x0000000002170000-0x0000000002575000-memory.dmp

      Filesize

      4.0MB

    • memory/4324-62-0x0000000005940000-0x0000000005C97000-memory.dmp

      Filesize

      3.3MB

    • memory/4324-63-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/4324-64-0x00000000705D0000-0x0000000070927000-memory.dmp

      Filesize

      3.3MB

    • memory/4324-73-0x00000000071E0000-0x0000000007284000-memory.dmp

      Filesize

      656KB

    • memory/4324-74-0x00000000074D0000-0x00000000074E1000-memory.dmp

      Filesize

      68KB

    • memory/4324-75-0x0000000007520000-0x0000000007535000-memory.dmp

      Filesize

      84KB

    • memory/4408-162-0x0000000005C40000-0x0000000005C8C000-memory.dmp

      Filesize

      304KB

    • memory/4408-160-0x0000000005790000-0x0000000005AE7000-memory.dmp

      Filesize

      3.3MB

    • memory/4408-175-0x00000000056E0000-0x00000000056F5000-memory.dmp

      Filesize

      84KB

    • memory/4408-174-0x0000000007210000-0x0000000007221000-memory.dmp

      Filesize

      68KB

    • memory/4408-173-0x0000000006DD0000-0x0000000006E74000-memory.dmp

      Filesize

      656KB

    • memory/4408-164-0x0000000070440000-0x0000000070797000-memory.dmp

      Filesize

      3.3MB

    • memory/4408-163-0x00000000702C0000-0x000000007030C000-memory.dmp

      Filesize

      304KB

    • memory/4844-41-0x0000000008310000-0x000000000898A000-memory.dmp

      Filesize

      6.5MB

    • memory/4844-27-0x0000000070520000-0x0000000070877000-memory.dmp

      Filesize

      3.3MB

    • memory/4844-42-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

      Filesize

      104KB

    • memory/4844-52-0x0000000074130000-0x00000000748E1000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-36-0x0000000007B80000-0x0000000007B9E000-memory.dmp

      Filesize

      120KB

    • memory/4844-37-0x0000000005290000-0x00000000052A0000-memory.dmp

      Filesize

      64KB

    • memory/4844-44-0x0000000007E10000-0x0000000007EA6000-memory.dmp

      Filesize

      600KB

    • memory/4844-38-0x0000000005290000-0x00000000052A0000-memory.dmp

      Filesize

      64KB

    • memory/4844-39-0x0000000005290000-0x00000000052A0000-memory.dmp

      Filesize

      64KB

    • memory/4844-45-0x0000000007D30000-0x0000000007D41000-memory.dmp

      Filesize

      68KB

    • memory/4844-46-0x0000000007D70000-0x0000000007D7E000-memory.dmp

      Filesize

      56KB

    • memory/4844-47-0x0000000007D80000-0x0000000007D95000-memory.dmp

      Filesize

      84KB

    • memory/4844-48-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

      Filesize

      104KB

    • memory/4844-49-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

      Filesize

      32KB

    • memory/4844-40-0x0000000007BA0000-0x0000000007C44000-memory.dmp

      Filesize

      656KB

    • memory/4844-43-0x0000000007D00000-0x0000000007D0A000-memory.dmp

      Filesize

      40KB

    • memory/4844-26-0x00000000703A0000-0x00000000703EC000-memory.dmp

      Filesize

      304KB

    • memory/4844-25-0x0000000007B20000-0x0000000007B54000-memory.dmp

      Filesize

      208KB

    • memory/4844-24-0x000000007FD40000-0x000000007FD50000-memory.dmp

      Filesize

      64KB

    • memory/4844-23-0x0000000006CC0000-0x0000000006D06000-memory.dmp

      Filesize

      280KB

    • memory/4844-22-0x0000000006740000-0x000000000678C000-memory.dmp

      Filesize

      304KB

    • memory/4844-21-0x0000000006710000-0x000000000672E000-memory.dmp

      Filesize

      120KB

    • memory/4844-20-0x0000000006280000-0x00000000065D7000-memory.dmp

      Filesize

      3.3MB

    • memory/4844-10-0x0000000006130000-0x0000000006196000-memory.dmp

      Filesize

      408KB

    • memory/4844-11-0x0000000006210000-0x0000000006276000-memory.dmp

      Filesize

      408KB

    • memory/4844-9-0x0000000005860000-0x0000000005882000-memory.dmp

      Filesize

      136KB

    • memory/4844-5-0x00000000058D0000-0x0000000005EFA000-memory.dmp

      Filesize

      6.2MB

    • memory/4844-8-0x0000000005290000-0x00000000052A0000-memory.dmp

      Filesize

      64KB

    • memory/4844-7-0x0000000005290000-0x00000000052A0000-memory.dmp

      Filesize

      64KB

    • memory/4844-6-0x0000000074130000-0x00000000748E1000-memory.dmp

      Filesize

      7.7MB

    • memory/4844-4-0x0000000005250000-0x0000000005286000-memory.dmp

      Filesize

      216KB