Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 13:04

General

  • Target

    b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe

  • Size

    4.1MB

  • MD5

    f61920d557fd6487a9a7ee0b5b772b63

  • SHA1

    338db365ab279d1e2fbdd339183f6a92ef09196b

  • SHA256

    b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450

  • SHA512

    bdeaebb36d1aaf959c74c65f12eadf630c4bff2a477d839d6f4f0ec04d53da272efd1bccc950591881d952e130b8fcad693ea1040f656034544c0ec924827804

  • SSDEEP

    98304:PhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvn:5z9CiccJ0CpfGcGG1DfLt

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
  • 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\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe
    "C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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:4796
    • C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.exe
      "C:\Users\Admin\AppData\Local\Temp\b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450.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:228
      • 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:2276
      • 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:2856
        • 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:1640
      • 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:4056
      • 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:672
      • 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:2632
        • 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:224
        • 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:868
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3752
          • 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:3092
          • 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:\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:1424
          • 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:672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ga54cmh.lfb.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

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

      Filesize

      19KB

      MD5

      e615eac57d6c07e9d0dd22ca6243ea9d

      SHA1

      34417af9a0ac88832f6027da4009713ed2e473c6

      SHA256

      86512450b8a39158f3de32a28799d748676dc622ea2800bca7e38b8457994ac4

      SHA512

      79d58ecf5f32b0c8574435c6ef5145c2d9f0f8e583cc98d0323e2b3d32aebc09e8bb2c348281dead52b60f17924afea73cd0409595622bed48b66e462725044c

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

      Filesize

      19KB

      MD5

      e7e3bf7ce0817a68a9df83e5e01dc45d

      SHA1

      a293ea78315d8a61a515f416439b4803921ff1d0

      SHA256

      a4a68d3ab97a40a419dcb9516d567dd01c4e1ec5c4f723844e1e75b951a50414

      SHA512

      6e2eb993e4c0a8f0425eff70fa247d5076b7a951a0ca2906d1c680dc1dda80bd7fcc20cc38b1a684056daf25099b29a96602afb039399bae40296d9d5a6f7ea2

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

      Filesize

      19KB

      MD5

      f2c9638e87fa5ff954612736e3341588

      SHA1

      c0d71fc15f2d68de822b8881bcfd03b42adf56fa

      SHA256

      cdbaf54d32b9d6273c042d9021e3c57600f176b33ba3168fae2dc220fd819b77

      SHA512

      dd65f2127fcf467a79edd6887c5928daabab8d6d13d6155dee5e2eb9eb9b8b843c6e62d5e31ecf20f366ef968a4b48f19264d3eae4fc84c892bc94b4b60ebab2

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

      Filesize

      19KB

      MD5

      5703cc68ab95a8208d2ed9545f617e1e

      SHA1

      943bb522cada4e68e952bee96612609df4530d2e

      SHA256

      9384dcceb0465dc83ca06dc454f221609cfe14ff68c13e4bd8d94a8c4eff5947

      SHA512

      a08560ed099486bbefb62fe215a7ac8733e4efac9f0ebe490b06cb1f41a97f3579f99ea32980d4d158148a7f4f11a4d581622a1638bbd1bb848b573230ce258b

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

      Filesize

      19KB

      MD5

      0dacff5f279bbee359c35f9164afa7b4

      SHA1

      ccea8e96b06c8348ca834c21f62b9dd0fd44a9eb

      SHA256

      914fe12d400db4a515c41ecd558c4a13e16e60e985684a30666a44a00b277660

      SHA512

      9a1906916e9340bd129418643d1e3ad1abfc6acf0221ddb4a3b3caf05847a74b531c961da1c80f58d0e4dbc29570d2368a18ca44e0723cbbb9f9168d84559f13

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      f61920d557fd6487a9a7ee0b5b772b63

      SHA1

      338db365ab279d1e2fbdd339183f6a92ef09196b

      SHA256

      b2b572a9f0b0d9a7e1ee8afb6cfbbe8e9814a74dba2c8d81fea35a28ebe97450

      SHA512

      bdeaebb36d1aaf959c74c65f12eadf630c4bff2a477d839d6f4f0ec04d53da272efd1bccc950591881d952e130b8fcad693ea1040f656034544c0ec924827804

    • memory/224-151-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/224-152-0x0000000070980000-0x0000000070CD4000-memory.dmp

      Filesize

      3.3MB

    • memory/228-137-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/228-85-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/672-122-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/672-123-0x0000000070F80000-0x00000000712D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2276-70-0x0000000005DA0000-0x00000000060F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2276-86-0x00000000077A0000-0x00000000077B4000-memory.dmp

      Filesize

      80KB

    • memory/2276-83-0x0000000007750000-0x0000000007761000-memory.dmp

      Filesize

      68KB

    • memory/2276-82-0x0000000007420000-0x00000000074C3000-memory.dmp

      Filesize

      652KB

    • memory/2276-72-0x0000000070F80000-0x00000000712D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2276-71-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/2632-162-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-221-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-236-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-234-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-233-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-231-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-228-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-226-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-225-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/2632-223-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3092-187-0x0000000007AF0000-0x0000000007B93000-memory.dmp

      Filesize

      652KB

    • memory/3092-190-0x0000000006640000-0x0000000006654000-memory.dmp

      Filesize

      80KB

    • memory/3092-189-0x0000000007CA0000-0x0000000007CB1000-memory.dmp

      Filesize

      68KB

    • memory/3092-177-0x0000000070EB0000-0x0000000071204000-memory.dmp

      Filesize

      3.3MB

    • memory/3092-176-0x0000000070720000-0x000000007076C000-memory.dmp

      Filesize

      304KB

    • memory/3092-175-0x0000000006DE0000-0x0000000006E2C000-memory.dmp

      Filesize

      304KB

    • memory/3092-173-0x00000000061B0000-0x0000000006504000-memory.dmp

      Filesize

      3.3MB

    • memory/4056-100-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/4056-101-0x0000000070980000-0x0000000070CD4000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-204-0x00000000708C0000-0x0000000070C14000-memory.dmp

      Filesize

      3.3MB

    • memory/4600-203-0x0000000070720000-0x000000007076C000-memory.dmp

      Filesize

      304KB

    • memory/4600-201-0x0000000005AC0000-0x0000000005E14000-memory.dmp

      Filesize

      3.3MB

    • memory/4796-11-0x00000000054F0000-0x0000000005556000-memory.dmp

      Filesize

      408KB

    • memory/4796-30-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-25-0x00000000067F0000-0x0000000006834000-memory.dmp

      Filesize

      272KB

    • memory/4796-24-0x00000000062C0000-0x000000000630C000-memory.dmp

      Filesize

      304KB

    • memory/4796-23-0x0000000006270000-0x000000000628E000-memory.dmp

      Filesize

      120KB

    • memory/4796-22-0x0000000005E90000-0x00000000061E4000-memory.dmp

      Filesize

      3.3MB

    • memory/4796-27-0x0000000007CA0000-0x000000000831A000-memory.dmp

      Filesize

      6.5MB

    • memory/4796-28-0x0000000007640000-0x000000000765A000-memory.dmp

      Filesize

      104KB

    • memory/4796-12-0x0000000005610000-0x0000000005676000-memory.dmp

      Filesize

      408KB

    • memory/4796-31-0x0000000070800000-0x000000007084C000-memory.dmp

      Filesize

      304KB

    • memory/4796-10-0x00000000052D0000-0x00000000052F2000-memory.dmp

      Filesize

      136KB

    • memory/4796-9-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-32-0x0000000070980000-0x0000000070CD4000-memory.dmp

      Filesize

      3.3MB

    • memory/4796-8-0x0000000005760000-0x0000000005D88000-memory.dmp

      Filesize

      6.2MB

    • memory/4796-7-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-6-0x00000000010A0000-0x00000000010D6000-memory.dmp

      Filesize

      216KB

    • memory/4796-42-0x0000000007840000-0x000000000785E000-memory.dmp

      Filesize

      120KB

    • memory/4796-29-0x0000000007800000-0x0000000007832000-memory.dmp

      Filesize

      200KB

    • memory/4796-5-0x000000007496E000-0x000000007496F000-memory.dmp

      Filesize

      4KB

    • memory/4796-26-0x00000000075A0000-0x0000000007616000-memory.dmp

      Filesize

      472KB

    • memory/4796-43-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-44-0x0000000007860000-0x0000000007903000-memory.dmp

      Filesize

      652KB

    • memory/4796-45-0x0000000007950000-0x000000000795A000-memory.dmp

      Filesize

      40KB

    • memory/4796-56-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-53-0x0000000007A00000-0x0000000007A08000-memory.dmp

      Filesize

      32KB

    • memory/4796-52-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

      Filesize

      104KB

    • memory/4796-48-0x0000000074960000-0x0000000075110000-memory.dmp

      Filesize

      7.7MB

    • memory/4796-51-0x00000000079C0000-0x00000000079D4000-memory.dmp

      Filesize

      80KB

    • memory/4796-50-0x00000000079B0000-0x00000000079BE000-memory.dmp

      Filesize

      56KB

    • memory/4796-47-0x0000000007A10000-0x0000000007AA6000-memory.dmp

      Filesize

      600KB

    • memory/4796-49-0x0000000007970000-0x0000000007981000-memory.dmp

      Filesize

      68KB

    • memory/4828-2-0x0000000004C30000-0x000000000551B000-memory.dmp

      Filesize

      8.9MB

    • memory/4828-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4828-46-0x0000000004820000-0x0000000004C28000-memory.dmp

      Filesize

      4.0MB

    • memory/4828-58-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/4828-59-0x0000000004C30000-0x000000000551B000-memory.dmp

      Filesize

      8.9MB

    • memory/4828-60-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/4828-1-0x0000000004820000-0x0000000004C28000-memory.dmp

      Filesize

      4.0MB

    • memory/4828-4-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB