Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 04:16

General

  • Target

    845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe

  • Size

    4.2MB

  • MD5

    b0d7e17dce1fc611a54d4419af511439

  • SHA1

    1dddebc5e3208585e725a56dd888fd8f873b0c52

  • SHA256

    845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8

  • SHA512

    79e05419d33751580a995d7dd0622bbea8f8e971d06a5835ae763e9b2488bd75c8a0ec3f317004372b232eb02bf6108e535c50df7e0106a2387ff3b94854ba66

  • SSDEEP

    98304:mzt4Cfs88ZNDRtct68jR4w1kE6V3zyaYiykup:WOzZNVtE6GR4UN6VGaYizu

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.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe
    "C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1252
    • C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe
      "C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3464
      • 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:2312
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:1564
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3376
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4968
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4712
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3664
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:932
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2392
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4420
          • 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:224
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s4hkvmwa.2pw.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

      4158dfc0cdf1340178c265f43cd319ea

      SHA1

      7ceca3eb90ed3259132037d0c2280a116e614a63

      SHA256

      23b523066b61d341e253dc054dee11abeb107d150dfecbce70e4e1b86b95d5c1

      SHA512

      fc1039c38eb413909bd67fb1cd655004b3b4dd0173a9b1ffa4d73da3e4539e90e580e24acd21838286ead5e7a5335a6e7b8255cc9e53e1665ec454f45364b904

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

      Filesize

      19KB

      MD5

      8f0dedb4a92ad8ba304af92a2fddde6f

      SHA1

      fbd62f17f675dcbdfc6bda5cfbb3d89a6f1623f6

      SHA256

      edbd2a38c076a092ac7dcb6a86e236ef413aa4c20c82798f20fb2596b5641dea

      SHA512

      8f8a3a17ce8dca0fc59e933f7c13f567d0a80b0671713b75b90a1617e2c78fa991e932b22a2c8b35fa4de6779b1f7f143caa97962485234bad0ce07de33a5bc9

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

      Filesize

      19KB

      MD5

      50de9020cda2f94816a67aa5eda816c5

      SHA1

      25d39a64c9af17dfa19ad15e99ee8c15b24fdc8d

      SHA256

      e1256021de25c874edec0a39facf849bb14c3ea0b8f9eb30c05f5002551e0fac

      SHA512

      e56999f0f0027c1dd10a6939b941f92458618420064ca2a3eb7a9443f4ccde002034a965fc95d52a1bbd6ee2c088ccbb9f36308b700061cf86f7b0a9e137d8db

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

      Filesize

      19KB

      MD5

      c48b6d52fd6291f7190b6bbdcec1fd63

      SHA1

      25b5233ab7057b00b1f562a932fd2ed4fe1cc9f8

      SHA256

      eaec48e344d6f1875a071d6457d08d911157713c9af118bbbf2e8b8c44808bbb

      SHA512

      a065a9e1b93948c6f39642f69cb051e747b958d03d956f98b03b54906c29015f743ceba4115bebbf90686545946fc81ba4a8767d2437f577c7782cbc318ab05a

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

      Filesize

      19KB

      MD5

      c1de619d3086f3de69c67ab21213ed03

      SHA1

      53992fcd7e025b5652dfe33d08c747d38c08f2a4

      SHA256

      96c26d3a1196c64f42803e74cea23922547b28cab798d983a806ee62808c6037

      SHA512

      312984ed3852992241236b4e681d5b4b9b12fb17a01287fd33b2148b8b3a769026e2bc9fd5fc03126b23f325a3587639cdf935462f078e434f4893b308dcc3ab

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      b0d7e17dce1fc611a54d4419af511439

      SHA1

      1dddebc5e3208585e725a56dd888fd8f873b0c52

      SHA256

      845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8

      SHA512

      79e05419d33751580a995d7dd0622bbea8f8e971d06a5835ae763e9b2488bd75c8a0ec3f317004372b232eb02bf6108e535c50df7e0106a2387ff3b94854ba66

    • memory/1252-44-0x0000000007690000-0x000000000769A000-memory.dmp

      Filesize

      40KB

    • memory/1252-48-0x00000000076E0000-0x00000000076EE000-memory.dmp

      Filesize

      56KB

    • memory/1252-10-0x00000000050A0000-0x0000000005106000-memory.dmp

      Filesize

      408KB

    • memory/1252-21-0x0000000005980000-0x0000000005CD4000-memory.dmp

      Filesize

      3.3MB

    • memory/1252-22-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

      Filesize

      120KB

    • memory/1252-23-0x0000000005FE0000-0x000000000602C000-memory.dmp

      Filesize

      304KB

    • memory/1252-24-0x00000000063E0000-0x0000000006424000-memory.dmp

      Filesize

      272KB

    • memory/1252-25-0x00000000072E0000-0x0000000007356000-memory.dmp

      Filesize

      472KB

    • memory/1252-26-0x00000000079E0000-0x000000000805A000-memory.dmp

      Filesize

      6.5MB

    • memory/1252-27-0x0000000007380000-0x000000000739A000-memory.dmp

      Filesize

      104KB

    • memory/1252-30-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

      Filesize

      304KB

    • memory/1252-29-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1252-28-0x0000000007540000-0x0000000007572000-memory.dmp

      Filesize

      200KB

    • memory/1252-31-0x0000000071080000-0x00000000713D4000-memory.dmp

      Filesize

      3.3MB

    • memory/1252-41-0x0000000007580000-0x000000000759E000-memory.dmp

      Filesize

      120KB

    • memory/1252-43-0x00000000075A0000-0x0000000007643000-memory.dmp

      Filesize

      652KB

    • memory/1252-42-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1252-9-0x0000000005000000-0x0000000005022000-memory.dmp

      Filesize

      136KB

    • memory/1252-45-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1252-46-0x00000000077A0000-0x0000000007836000-memory.dmp

      Filesize

      600KB

    • memory/1252-47-0x00000000076A0000-0x00000000076B1000-memory.dmp

      Filesize

      68KB

    • memory/1252-11-0x0000000005810000-0x0000000005876000-memory.dmp

      Filesize

      408KB

    • memory/1252-49-0x0000000007700000-0x0000000007714000-memory.dmp

      Filesize

      80KB

    • memory/1252-50-0x0000000007750000-0x000000000776A000-memory.dmp

      Filesize

      104KB

    • memory/1252-51-0x0000000007740000-0x0000000007748000-memory.dmp

      Filesize

      32KB

    • memory/1252-54-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1252-4-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

      Filesize

      4KB

    • memory/1252-5-0x00000000029F0000-0x0000000002A26000-memory.dmp

      Filesize

      216KB

    • memory/1252-6-0x00000000051E0000-0x0000000005808000-memory.dmp

      Filesize

      6.2MB

    • memory/1252-7-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1252-8-0x0000000074C30000-0x00000000753E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1896-219-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-225-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-223-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-221-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-229-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-231-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-227-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-217-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-233-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-235-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-237-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-239-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/1896-241-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/2392-184-0x0000000007530000-0x00000000075D3000-memory.dmp

      Filesize

      652KB

    • memory/2392-174-0x0000000071180000-0x00000000714D4000-memory.dmp

      Filesize

      3.3MB

    • memory/2392-187-0x0000000006090000-0x00000000060A4000-memory.dmp

      Filesize

      80KB

    • memory/2392-185-0x0000000007810000-0x0000000007821000-memory.dmp

      Filesize

      68KB

    • memory/2392-173-0x00000000709F0000-0x0000000070A3C000-memory.dmp

      Filesize

      304KB

    • memory/2392-170-0x0000000005BF0000-0x0000000005F44000-memory.dmp

      Filesize

      3.3MB

    • memory/2392-172-0x0000000006320000-0x000000000636C000-memory.dmp

      Filesize

      304KB

    • memory/3024-56-0x0000000002A20000-0x0000000002E1A000-memory.dmp

      Filesize

      4.0MB

    • memory/3024-135-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3320-109-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3320-1-0x0000000002C10000-0x000000000300A000-memory.dmp

      Filesize

      4.0MB

    • memory/3320-2-0x0000000003010000-0x00000000038FB000-memory.dmp

      Filesize

      8.9MB

    • memory/3320-57-0x0000000002C10000-0x000000000300A000-memory.dmp

      Filesize

      4.0MB

    • memory/3320-58-0x0000000003010000-0x00000000038FB000-memory.dmp

      Filesize

      8.9MB

    • memory/3376-96-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

      Filesize

      304KB

    • memory/3376-97-0x0000000071250000-0x00000000715A4000-memory.dmp

      Filesize

      3.3MB

    • memory/3464-80-0x00000000076B0000-0x0000000007753000-memory.dmp

      Filesize

      652KB

    • memory/3464-69-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

      Filesize

      304KB

    • memory/3464-59-0x0000000005E80000-0x00000000061D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3464-82-0x0000000007A20000-0x0000000007A34000-memory.dmp

      Filesize

      80KB

    • memory/3464-81-0x00000000079D0000-0x00000000079E1000-memory.dmp

      Filesize

      68KB

    • memory/3464-70-0x0000000071250000-0x00000000715A4000-memory.dmp

      Filesize

      3.3MB

    • memory/4420-201-0x0000000070B70000-0x0000000070EC4000-memory.dmp

      Filesize

      3.3MB

    • memory/4420-200-0x00000000709F0000-0x0000000070A3C000-memory.dmp

      Filesize

      304KB

    • memory/4420-198-0x0000000005950000-0x0000000005CA4000-memory.dmp

      Filesize

      3.3MB

    • memory/4712-147-0x00000000064F0000-0x0000000006844000-memory.dmp

      Filesize

      3.3MB

    • memory/4712-150-0x0000000070C50000-0x0000000070FA4000-memory.dmp

      Filesize

      3.3MB

    • memory/4712-149-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

      Filesize

      304KB

    • memory/4968-120-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

      Filesize

      304KB

    • memory/4968-121-0x0000000071250000-0x00000000715A4000-memory.dmp

      Filesize

      3.3MB