Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 10:20

General

  • Target

    050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe

  • Size

    4.1MB

  • MD5

    58aeec23aa477acc489ca29fc8222e5e

  • SHA1

    fd189a7331274779548164e9a5c19f7c82bb287d

  • SHA256

    050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca

  • SHA512

    4f6ce8c769d27fa6b1b2c640ba22c995eabcec9c530221678d60a356c80c43a9a8eb47bafb16d3dc18f9f4d352fc5cf334d6d0076ac87251ee121a446ffe2176

  • SSDEEP

    98304:mJsMjtvpLhBsrANyl+HA3P3+ZY1+eQIMXjectPnUWuRnMm8CYQO5:mWgDBsKdHAWZM+VzNxnUpRnkRj

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\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe
    "C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • 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:4600
    • C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe
      "C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.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:1944
      • 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:3028
      • 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:936
        • 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:1912
      • 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:2292
      • 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:3140
      • 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:348
        • 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:1748
        • 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:4144
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3972
          • 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:4600
          • 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:4416
          • 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:4668
          • 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:2604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jworaekr.afy.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

      f274c5963f36f9166cdf0116e2a4f3a7

      SHA1

      d85bc3322f5fc8bce1bc02f0e95e3d8831e5b816

      SHA256

      3a3d3d9a750439d593c43603b8e90f1550ef279ea7478385d063063681740a0d

      SHA512

      8041d41bf35c7eaaf1c7a9f9fc065bd7792bdd97a2474083e36074bc77c9f100837605f9b062c1a03c65471a1c06ecbbb50feb666251ec8cf5205ffcd98a2819

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

      Filesize

      19KB

      MD5

      6d1e0683ab0ec7e5aed46a48bd7dc7d1

      SHA1

      26cce4db83270569056a072d44caae51c219c013

      SHA256

      57be32dfa697b66c08e63849fdefad58a4a615a92e2eefa388cae61e92a0ca00

      SHA512

      b9abf1a9948ffcb425000fe00bc9f1d094ea54d729c06f1b3fb45e07476a3634da861525f105671105b9ad47dbff9815a3fd616c0fbde1bf03bc5dff133e5405

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

      Filesize

      19KB

      MD5

      7db53b2b2e0897e6ed1c962e09fa3a62

      SHA1

      6446356252993a3412ff1837794063d4065b5682

      SHA256

      4cfbbde8e09a0035e817a640626f75b3584a63cec0e72c717240aaa7e35100cf

      SHA512

      4b76f55a69b119e88fa2e9b14e55fc63afab13fc77e5e8607074ef2288b7090e6dce77627f3be264783d3f5d765a1e99ba8c729b9a973948049a0eebfebc645f

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

      Filesize

      19KB

      MD5

      cb9d5aedd90d14ef3d5f95f6101317c0

      SHA1

      6bc3ebddd64f56b3bb6598502daac11c064464b2

      SHA256

      218baefb6b460c1020155639db8b5cd20b281354bf58b82ff1ad0d0d0b7c1792

      SHA512

      5430a462ab61ea9ddb9c25d90193cb74683987b027bdc1d3efa3e089ba66664d94ad37fb218b3f671e10a3a346c24951861107217b34662d8909d84ffc008485

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

      Filesize

      19KB

      MD5

      d8e56e36c53058c391c097186f6a33b7

      SHA1

      bec3cabedc0831dbd5c181fc51417a1d901fb8ad

      SHA256

      ed03246d17f8ed20992ddf7d23057a35cdefb914448a3e8bb99c794834f4a275

      SHA512

      f133e5525dfa34c3984413157cafd94e73059298f47273071d34c008ddf9e265e760d831c8f5c8df8d8fae1098b36b479d9bf17834dd2275edeec2b84c36b626

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      58aeec23aa477acc489ca29fc8222e5e

      SHA1

      fd189a7331274779548164e9a5c19f7c82bb287d

      SHA256

      050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca

      SHA512

      4f6ce8c769d27fa6b1b2c640ba22c995eabcec9c530221678d60a356c80c43a9a8eb47bafb16d3dc18f9f4d352fc5cf334d6d0076ac87251ee121a446ffe2176

    • memory/348-174-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-240-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-228-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-222-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-219-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-231-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-234-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-246-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-237-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-243-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/348-225-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/1748-149-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/1748-150-0x0000000070A10000-0x0000000070D64000-memory.dmp

      Filesize

      3.3MB

    • memory/1944-138-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/1944-82-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/2292-96-0x0000000005B30000-0x0000000005E84000-memory.dmp

      Filesize

      3.3MB

    • memory/2292-98-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/2292-99-0x0000000070A30000-0x0000000070D84000-memory.dmp

      Filesize

      3.3MB

    • memory/2320-28-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/2320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2320-2-0x0000000004970000-0x000000000525B000-memory.dmp

      Filesize

      8.9MB

    • memory/2320-56-0x0000000004560000-0x0000000004962000-memory.dmp

      Filesize

      4.0MB

    • memory/2320-83-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2320-1-0x0000000004560000-0x0000000004962000-memory.dmp

      Filesize

      4.0MB

    • memory/2320-66-0x0000000000400000-0x0000000002958000-memory.dmp

      Filesize

      37.3MB

    • memory/2320-67-0x0000000004970000-0x000000000525B000-memory.dmp

      Filesize

      8.9MB

    • memory/3028-79-0x00000000077D0000-0x0000000007873000-memory.dmp

      Filesize

      652KB

    • memory/3028-68-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/3028-69-0x0000000070A10000-0x0000000070D64000-memory.dmp

      Filesize

      3.3MB

    • memory/3028-80-0x0000000007AF0000-0x0000000007B01000-memory.dmp

      Filesize

      68KB

    • memory/3028-81-0x0000000007B40000-0x0000000007B54000-memory.dmp

      Filesize

      80KB

    • memory/3140-120-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/3140-121-0x0000000070A10000-0x0000000070D64000-memory.dmp

      Filesize

      3.3MB

    • memory/4416-202-0x0000000070930000-0x0000000070C84000-memory.dmp

      Filesize

      3.3MB

    • memory/4416-201-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/4600-45-0x00000000072E0000-0x00000000072EA000-memory.dmp

      Filesize

      40KB

    • memory/4600-176-0x0000000070930000-0x0000000070C84000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-46-0x00000000073A0000-0x0000000007436000-memory.dmp

      Filesize

      600KB

    • memory/4600-54-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-42-0x00000000071D0000-0x00000000071EE000-memory.dmp

      Filesize

      120KB

    • memory/4600-44-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-43-0x00000000071F0000-0x0000000007293000-memory.dmp

      Filesize

      652KB

    • memory/4600-48-0x0000000007340000-0x000000000734E000-memory.dmp

      Filesize

      56KB

    • memory/4600-49-0x0000000007350000-0x0000000007364000-memory.dmp

      Filesize

      80KB

    • memory/4600-32-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-29-0x0000000007190000-0x00000000071C2000-memory.dmp

      Filesize

      200KB

    • memory/4600-30-0x0000000070890000-0x00000000708DC000-memory.dmp

      Filesize

      304KB

    • memory/4600-31-0x0000000070A10000-0x0000000070D64000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-27-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

      Filesize

      104KB

    • memory/4600-170-0x0000000005E30000-0x0000000006184000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-26-0x0000000007630000-0x0000000007CAA000-memory.dmp

      Filesize

      6.5MB

    • memory/4600-172-0x0000000006450000-0x000000000649C000-memory.dmp

      Filesize

      304KB

    • memory/4600-25-0x0000000006F30000-0x0000000006FA6000-memory.dmp

      Filesize

      472KB

    • memory/4600-175-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/4600-47-0x0000000007300000-0x0000000007311000-memory.dmp

      Filesize

      68KB

    • memory/4600-186-0x0000000007620000-0x00000000076C3000-memory.dmp

      Filesize

      652KB

    • memory/4600-187-0x00000000077F0000-0x0000000007801000-memory.dmp

      Filesize

      68KB

    • memory/4600-188-0x00000000061E0000-0x00000000061F4000-memory.dmp

      Filesize

      80KB

    • memory/4600-24-0x0000000006170000-0x00000000061B4000-memory.dmp

      Filesize

      272KB

    • memory/4600-50-0x0000000007440000-0x000000000745A000-memory.dmp

      Filesize

      104KB

    • memory/4600-51-0x0000000007380000-0x0000000007388000-memory.dmp

      Filesize

      32KB

    • memory/4600-23-0x0000000005C40000-0x0000000005C8C000-memory.dmp

      Filesize

      304KB

    • memory/4600-22-0x0000000005C10000-0x0000000005C2E000-memory.dmp

      Filesize

      120KB

    • memory/4600-21-0x0000000005710000-0x0000000005A64000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-11-0x00000000055A0000-0x0000000005606000-memory.dmp

      Filesize

      408KB

    • memory/4600-10-0x0000000005530000-0x0000000005596000-memory.dmp

      Filesize

      408KB

    • memory/4600-9-0x0000000004E50000-0x0000000004E72000-memory.dmp

      Filesize

      136KB

    • memory/4600-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-7-0x00000000749F0000-0x00000000751A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4600-6-0x0000000004F00000-0x0000000005528000-memory.dmp

      Filesize

      6.2MB

    • memory/4600-5-0x0000000002620000-0x0000000002656000-memory.dmp

      Filesize

      216KB

    • memory/4600-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

      Filesize

      4KB