Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 19:56

General

  • Target

    acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe

  • Size

    4.1MB

  • MD5

    5e6e88e6229170d173cf47fcf6e9a790

  • SHA1

    29bb92ebf3f571adcca130328b3a6747e6d2b2c2

  • SHA256

    acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140

  • SHA512

    d87a44287d1d90a42b4926217deb19398b2eb4d85cd5dc3b1b799ccbf1f9fa261d542ea5c9f6345b04b8a1d1a18b9b2a0243e212ebdb25bf9224c3791c4028f1

  • SSDEEP

    49152:9KSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJw/:91wCr5kG+hEArjFEeNSldQg15xmh/

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\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe
    "C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1040
    • 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:1396
    • C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.exe
      "C:\Users\Admin\AppData\Local\Temp\acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140.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:4500
      • 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:2732
      • 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:3172
        • 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:4504
      • 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:1104
      • 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:1948
      • 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:4844
        • 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:8
        • 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:328
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3912
          • 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:3472
          • 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:3380
          • 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:3684
          • 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:1948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_onnbsesa.ym3.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

      b64dbb771761aa837bb2fc9683c80c0c

      SHA1

      d0c68d33934845390152a31f06ce6f59be1ae5fb

      SHA256

      0f22352f4f987cd13e3e43d9311c19b5bc6263c5182c48e15c47120e0d0399af

      SHA512

      a901d81f8c47fa0d22f772d657e629aff611e1fde2654f5cd0e2a8253e07ace7a286f7f90781b92ba08de32a00a18658cb9b2df400efb80e1b3da7044e8f253e

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

      Filesize

      19KB

      MD5

      10168c658de8e9d61a7117db661db6e1

      SHA1

      47f4fc2ce9d8d6995cddaa3e6419ac982f27d89b

      SHA256

      a461fcdaff1cb4a4d8cdbe2004998364260c15b98c276a8e4680a14e4788d9ac

      SHA512

      c2adac69985e257211e1ea420c21cb267d55aa9bae99ede4954ddf7eb647a1ff72723441a60571a518a7d89419565446c9c11e960e67f27a19fea2ee75197c17

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

      Filesize

      19KB

      MD5

      68d5dcc53e378a7ed14205de3f24f48b

      SHA1

      00cbb692bc975bddb37c54356a6e3a73a6e75448

      SHA256

      e03e3ab19f59520eb1c6d36e6c6701d78b35e937504bc1beab7fad30ae40365e

      SHA512

      ceed2554603fbab99896f38da4a69a3c9adb5808b1ed7aeebb81925f7c7c9778b2e779feaa6b75d5556797c98804765c7417e17a7c059560c9a353863c43dc7b

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

      Filesize

      19KB

      MD5

      2f27994c2cab881d0db61bf3d7dab36b

      SHA1

      bb1dc4e53a8ffa99dc06c2dd05995d38d67204ee

      SHA256

      ff0af940fdc9a0a0860c8bf87bbe26b5040e736a45dc8fc24618bdb240cdab74

      SHA512

      8716134fcc47eb95873a52fd39b49c08b7cdc3bfa8f5f4a45bbff048d2a168c9a3eacb374cc4e2b8f7c82b0c408aedf8d4d4a643fb9e593201d19d525308b335

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

      Filesize

      19KB

      MD5

      b7968509edf1b1b4b01c801676cdfef9

      SHA1

      0e6ab17f1bef11a9ec94f882bfacc2827232eb45

      SHA256

      c718fc6306f9c11424e74e3f05e4447163183a860700da3873ca19276c54a60c

      SHA512

      c684398f78b472ce6cb7e5897c636c0ebd892c9f4af7f0a53f88be589544a1624b1efc6f0bf1df617c86712bf00ca06e60f586fcfb8526d4f1149674c8836276

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      5e6e88e6229170d173cf47fcf6e9a790

      SHA1

      29bb92ebf3f571adcca130328b3a6747e6d2b2c2

      SHA256

      acd4bc93214ae8e9ef722c8e9943186907f5b66e734e8c914ac9be9e45f4c140

      SHA512

      d87a44287d1d90a42b4926217deb19398b2eb4d85cd5dc3b1b799ccbf1f9fa261d542ea5c9f6345b04b8a1d1a18b9b2a0243e212ebdb25bf9224c3791c4028f1

    • memory/8-146-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/8-147-0x00000000709E0000-0x0000000070D34000-memory.dmp

      Filesize

      3.3MB

    • memory/1040-116-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/1040-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1040-118-0x0000000004D40000-0x000000000562B000-memory.dmp

      Filesize

      8.9MB

    • memory/1040-117-0x0000000004940000-0x0000000004D39000-memory.dmp

      Filesize

      4.0MB

    • memory/1040-2-0x0000000004D40000-0x000000000562B000-memory.dmp

      Filesize

      8.9MB

    • memory/1040-159-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1040-1-0x0000000004940000-0x0000000004D39000-memory.dmp

      Filesize

      4.0MB

    • memory/1104-94-0x0000000070FE0000-0x0000000071334000-memory.dmp

      Filesize

      3.3MB

    • memory/1104-93-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/1104-87-0x0000000006100000-0x0000000006454000-memory.dmp

      Filesize

      3.3MB

    • memory/1396-40-0x0000000007380000-0x000000000739E000-memory.dmp

      Filesize

      120KB

    • memory/1396-7-0x0000000004F50000-0x0000000005578000-memory.dmp

      Filesize

      6.2MB

    • memory/1396-28-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/1396-43-0x0000000007490000-0x000000000749A000-memory.dmp

      Filesize

      40KB

    • memory/1396-27-0x0000000007340000-0x0000000007372000-memory.dmp

      Filesize

      200KB

    • memory/1396-45-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/1396-44-0x00000000075A0000-0x0000000007636000-memory.dmp

      Filesize

      600KB

    • memory/1396-46-0x00000000074A0000-0x00000000074B1000-memory.dmp

      Filesize

      68KB

    • memory/1396-47-0x00000000074E0000-0x00000000074EE000-memory.dmp

      Filesize

      56KB

    • memory/1396-48-0x0000000007500000-0x0000000007514000-memory.dmp

      Filesize

      80KB

    • memory/1396-49-0x0000000007540000-0x000000000755A000-memory.dmp

      Filesize

      104KB

    • memory/1396-50-0x0000000007530000-0x0000000007538000-memory.dmp

      Filesize

      32KB

    • memory/1396-53-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/1396-4-0x00000000749CE000-0x00000000749CF000-memory.dmp

      Filesize

      4KB

    • memory/1396-5-0x0000000002810000-0x0000000002846000-memory.dmp

      Filesize

      216KB

    • memory/1396-6-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/1396-41-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/1396-10-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/1396-8-0x0000000004E00000-0x0000000004E22000-memory.dmp

      Filesize

      136KB

    • memory/1396-42-0x00000000073A0000-0x0000000007443000-memory.dmp

      Filesize

      652KB

    • memory/1396-30-0x0000000070E10000-0x0000000071164000-memory.dmp

      Filesize

      3.3MB

    • memory/1396-29-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/1396-26-0x0000000007180000-0x000000000719A000-memory.dmp

      Filesize

      104KB

    • memory/1396-25-0x00000000077E0000-0x0000000007E5A000-memory.dmp

      Filesize

      6.5MB

    • memory/1396-9-0x0000000005670000-0x00000000056D6000-memory.dmp

      Filesize

      408KB

    • memory/1396-24-0x00000000070E0000-0x0000000007156000-memory.dmp

      Filesize

      472KB

    • memory/1396-23-0x0000000006370000-0x00000000063B4000-memory.dmp

      Filesize

      272KB

    • memory/1396-22-0x0000000005E00000-0x0000000005E4C000-memory.dmp

      Filesize

      304KB

    • memory/1396-21-0x0000000005DC0000-0x0000000005DDE000-memory.dmp

      Filesize

      120KB

    • memory/1396-20-0x0000000005800000-0x0000000005B54000-memory.dmp

      Filesize

      3.3MB

    • memory/1948-119-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/1948-120-0x00000000709E0000-0x0000000070D34000-memory.dmp

      Filesize

      3.3MB

    • memory/1948-114-0x0000000005B70000-0x0000000005EC4000-memory.dmp

      Filesize

      3.3MB

    • memory/2732-76-0x0000000007AB0000-0x0000000007B53000-memory.dmp

      Filesize

      652KB

    • memory/2732-65-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/2732-77-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

      Filesize

      68KB

    • memory/2732-78-0x0000000007E20000-0x0000000007E34000-memory.dmp

      Filesize

      80KB

    • memory/2732-66-0x0000000071000000-0x0000000071354000-memory.dmp

      Filesize

      3.3MB

    • memory/2732-64-0x0000000006440000-0x0000000006794000-memory.dmp

      Filesize

      3.3MB

    • memory/3380-199-0x0000000070F10000-0x0000000071264000-memory.dmp

      Filesize

      3.3MB

    • memory/3380-198-0x0000000070780000-0x00000000707CC000-memory.dmp

      Filesize

      304KB

    • memory/3472-172-0x0000000070780000-0x00000000707CC000-memory.dmp

      Filesize

      304KB

    • memory/3472-183-0x0000000006F80000-0x0000000007023000-memory.dmp

      Filesize

      652KB

    • memory/3472-184-0x0000000005B30000-0x0000000005B41000-memory.dmp

      Filesize

      68KB

    • memory/3472-185-0x0000000005B70000-0x0000000005B84000-memory.dmp

      Filesize

      80KB

    • memory/3472-173-0x0000000070F10000-0x0000000071264000-memory.dmp

      Filesize

      3.3MB

    • memory/3472-171-0x0000000005D70000-0x0000000005DBC000-memory.dmp

      Filesize

      304KB

    • memory/3472-160-0x00000000056D0000-0x0000000005A24000-memory.dmp

      Filesize

      3.3MB

    • memory/4500-158-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-210-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-218-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-221-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-224-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-228-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-230-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-233-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-236-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-240-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-242-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-245-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-248-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB

    • memory/4844-252-0x0000000000400000-0x0000000002B08000-memory.dmp

      Filesize

      39.0MB