Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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 12:31

General

  • Target

    e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe

  • Size

    4.1MB

  • MD5

    3d591d377816940266d56ff606f2ef46

  • SHA1

    6fd6fc254bade4a2683943be8ccee0c97d8498a4

  • SHA256

    e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306

  • SHA512

    abc2917974c2693bf1de62e4eccc4a6f75eb9a2d0a1de35dc5c6b32ee9f144111eeb82995c4075999e863182b757a36d6edda84db507ed48cceb08ce440b4b43

  • SSDEEP

    98304:8d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErO:eRMSLQaVNfPUP9FaqUIATxXaCdFFREnL

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\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe
    "C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • 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:2116
    • C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.exe
      "C:\Users\Admin\AppData\Local\Temp\e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306.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:4024
      • 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:3896
      • 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:4956
        • 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:4020
      • 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:780
      • 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:2584
      • 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:3304
        • 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:3608
        • 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:4424
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2836
          • 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:3664
          • 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:4180
          • 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:2512
          • 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:2760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jgrmw0bt.bjr.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

      4572324a111704242e69232ecf7375f6

      SHA1

      42cf4842064e4f01821b1ee9edbb3d17763f00b3

      SHA256

      deee45559e241ac752205665911cb681ec7762e317a054713de51056b38382e3

      SHA512

      e394053ab5b3b56ef834706a2f8c4d04f91a36d408bf2e993768455edb8c89abce2f18b84068edaceff9542c43897857a0bf50d1ff329cc8cf9cb0377d8b6e9c

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

      Filesize

      19KB

      MD5

      fe035f44de87ccd94d292f78bf24cc0c

      SHA1

      3e958c279b751d3fc2cde4dc002d4d48b215b2e6

      SHA256

      ce16f6b3a7791c89f6ae2a9a94a826e4e643126b3b2e55674bd0049b6fd2fd3b

      SHA512

      9856dd06687235ec8dc4c288839d6fea5d4257274b16523067a4b0f57d0000bc9c5e42f842e9630b227a5922a46c34ee51e35c57d41b584698964eaf0f27fd61

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

      Filesize

      19KB

      MD5

      3fade0bad4d52a4a0b60113f90693e85

      SHA1

      c39e0c3f267d15783115aef826cfd7635d2bf3ae

      SHA256

      e5ac95c6ac5e671c773f152cb0697c66c1d612f8c4c381e727d331735cca1a11

      SHA512

      1017f5c28a8ac3e2c1afbd9477561a1e44ffd728828530dd65002772ef34858f937074a1581ce8c5b88e20cc093acbe95fe0b555d8cb99fc037e0004f60d7e59

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

      Filesize

      19KB

      MD5

      c405f9614b585dace4ceb1a41d9c8c89

      SHA1

      f76e1577fc434dd6ffb168f5a68477090a966eac

      SHA256

      1af077b278fb0e50956858f6d9f61f1a7ad19c53eaf113ff497cf44141d8a469

      SHA512

      6e24cf8d1ad42e587e86dfc81f579eb8eb18a87c1d465309605267a9786e4de8f3f8ce9d93477223ad9e2d6add016a20a7b7e76c3a41152b3c8da412924f2159

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

      Filesize

      19KB

      MD5

      48b068cb76e437c6d89e0787cac5ce39

      SHA1

      9e1fcf550c3102a97bb79aa4a55ba3d46cf3a141

      SHA256

      109d776ec928d4e393e944cab324ac4e71115d5d6982249affdaebd3662f0a67

      SHA512

      0d67349ddaea5c9814e8c02c48f58efb9606b6f6b989776d84631805c4e2d09b0e0a41fc0308e7f7fb51889551d7b21b5463a2a6a45498ad455b652533ad0dd5

    • C:\Windows\rss\csrss.exe

      Filesize

      4.1MB

      MD5

      3d591d377816940266d56ff606f2ef46

      SHA1

      6fd6fc254bade4a2683943be8ccee0c97d8498a4

      SHA256

      e9728e12a609e49526465bfd233969cd505f74381ba21846b516665ab16e4306

      SHA512

      abc2917974c2693bf1de62e4eccc4a6f75eb9a2d0a1de35dc5c6b32ee9f144111eeb82995c4075999e863182b757a36d6edda84db507ed48cceb08ce440b4b43

    • memory/780-97-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/780-98-0x0000000070FE0000-0x0000000071334000-memory.dmp

      Filesize

      3.3MB

    • memory/2116-24-0x0000000006B80000-0x0000000006BC4000-memory.dmp

      Filesize

      272KB

    • memory/2116-44-0x0000000007CD0000-0x0000000007CDA000-memory.dmp

      Filesize

      40KB

    • memory/2116-22-0x0000000006600000-0x000000000661E000-memory.dmp

      Filesize

      120KB

    • memory/2116-23-0x00000000066A0000-0x00000000066EC000-memory.dmp

      Filesize

      304KB

    • memory/2116-11-0x0000000005FB0000-0x0000000006016000-memory.dmp

      Filesize

      408KB

    • memory/2116-25-0x0000000007920000-0x0000000007996000-memory.dmp

      Filesize

      472KB

    • memory/2116-26-0x0000000008020000-0x000000000869A000-memory.dmp

      Filesize

      6.5MB

    • memory/2116-27-0x00000000079C0000-0x00000000079DA000-memory.dmp

      Filesize

      104KB

    • memory/2116-28-0x0000000007B80000-0x0000000007BB2000-memory.dmp

      Filesize

      200KB

    • memory/2116-30-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/2116-31-0x0000000070FE0000-0x0000000071334000-memory.dmp

      Filesize

      3.3MB

    • memory/2116-41-0x0000000007BC0000-0x0000000007BDE000-memory.dmp

      Filesize

      120KB

    • memory/2116-29-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/2116-42-0x0000000007BE0000-0x0000000007C83000-memory.dmp

      Filesize

      652KB

    • memory/2116-43-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/2116-10-0x0000000005F40000-0x0000000005FA6000-memory.dmp

      Filesize

      408KB

    • memory/2116-45-0x0000000007DE0000-0x0000000007E76000-memory.dmp

      Filesize

      600KB

    • memory/2116-46-0x0000000007CE0000-0x0000000007CF1000-memory.dmp

      Filesize

      68KB

    • memory/2116-47-0x0000000007D20000-0x0000000007D2E000-memory.dmp

      Filesize

      56KB

    • memory/2116-48-0x0000000007D40000-0x0000000007D54000-memory.dmp

      Filesize

      80KB

    • memory/2116-49-0x0000000007D80000-0x0000000007D9A000-memory.dmp

      Filesize

      104KB

    • memory/2116-50-0x0000000007D70000-0x0000000007D78000-memory.dmp

      Filesize

      32KB

    • memory/2116-53-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/2116-4-0x00000000749CE000-0x00000000749CF000-memory.dmp

      Filesize

      4KB

    • memory/2116-5-0x0000000003010000-0x0000000003046000-memory.dmp

      Filesize

      216KB

    • memory/2116-6-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/2116-21-0x0000000006020000-0x0000000006374000-memory.dmp

      Filesize

      3.3MB

    • memory/2116-7-0x00000000057E0000-0x0000000005E08000-memory.dmp

      Filesize

      6.2MB

    • memory/2116-8-0x00000000749C0000-0x0000000075170000-memory.dmp

      Filesize

      7.7MB

    • memory/2116-9-0x0000000005750000-0x0000000005772000-memory.dmp

      Filesize

      136KB

    • memory/2584-118-0x0000000005E60000-0x00000000061B4000-memory.dmp

      Filesize

      3.3MB

    • memory/2584-120-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/2584-121-0x0000000071000000-0x0000000071354000-memory.dmp

      Filesize

      3.3MB

    • memory/3304-243-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-225-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-234-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-246-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-217-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-240-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-237-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-231-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-228-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3304-152-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3444-57-0x0000000004BE0000-0x00000000054CB000-memory.dmp

      Filesize

      8.9MB

    • memory/3444-55-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/3444-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3444-56-0x00000000046E0000-0x0000000004ADF000-memory.dmp

      Filesize

      4.0MB

    • memory/3444-58-0x0000000000400000-0x0000000000D1C000-memory.dmp

      Filesize

      9.1MB

    • memory/3444-1-0x00000000046E0000-0x0000000004ADF000-memory.dmp

      Filesize

      4.0MB

    • memory/3444-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp

      Filesize

      8.9MB

    • memory/3608-153-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/3608-154-0x00000000709E0000-0x0000000070D34000-memory.dmp

      Filesize

      3.3MB

    • memory/3608-148-0x0000000006130000-0x0000000006484000-memory.dmp

      Filesize

      3.3MB

    • memory/3664-190-0x0000000006780000-0x0000000006794000-memory.dmp

      Filesize

      80KB

    • memory/3664-178-0x0000000070EF0000-0x0000000071244000-memory.dmp

      Filesize

      3.3MB

    • memory/3664-189-0x0000000006740000-0x0000000006751000-memory.dmp

      Filesize

      68KB

    • memory/3664-176-0x0000000006A30000-0x0000000006A7C000-memory.dmp

      Filesize

      304KB

    • memory/3664-188-0x0000000007BE0000-0x0000000007C83000-memory.dmp

      Filesize

      652KB

    • memory/3664-174-0x00000000062C0000-0x0000000006614000-memory.dmp

      Filesize

      3.3MB

    • memory/3664-177-0x0000000070780000-0x00000000707CC000-memory.dmp

      Filesize

      304KB

    • memory/3896-82-0x00000000070C0000-0x00000000070D1000-memory.dmp

      Filesize

      68KB

    • memory/3896-83-0x0000000007110000-0x0000000007124000-memory.dmp

      Filesize

      80KB

    • memory/3896-70-0x0000000070860000-0x00000000708AC000-memory.dmp

      Filesize

      304KB

    • memory/3896-71-0x0000000070FE0000-0x0000000071334000-memory.dmp

      Filesize

      3.3MB

    • memory/3896-81-0x0000000006B90000-0x0000000006C33000-memory.dmp

      Filesize

      652KB

    • memory/4024-151-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/4024-132-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/4024-69-0x0000000000400000-0x0000000002B0D000-memory.dmp

      Filesize

      39.1MB

    • memory/4180-204-0x0000000070F10000-0x0000000071264000-memory.dmp

      Filesize

      3.3MB

    • memory/4180-203-0x0000000070780000-0x00000000707CC000-memory.dmp

      Filesize

      304KB

    • memory/4180-192-0x00000000058F0000-0x0000000005C44000-memory.dmp

      Filesize

      3.3MB