Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 16:01

General

  • Target

    7725eaa6592c80f8124e769b4e8a07f71.exe

  • Size

    4.2MB

  • MD5

    32ddef87207fd48862944757fe21f2ab

  • SHA1

    53942206c163d02c299e851def37791cda3ef7e1

  • SHA256

    073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e

  • SHA512

    896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143

  • SSDEEP

    98304:E9zsQ68NZJAUQvS0gtKx7M125D/72Q5Z9pvPsrDHphmEIUQTq:E9zDHXJT0SKx71Dj2SnqJNpt

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 20 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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\7725eaa6592c80f8124e769b4e8a07f71.exe
    "C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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:3068
    • C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.exe
      "C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.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:2340
      • 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:4480
      • 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:1732
        • 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:4100
      • 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:1932
      • 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:3932
      • 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
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4992
        • 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:4848
        • 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:1604
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5020
          • 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:3108
          • 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:940
          • 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:1632
          • 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:2936

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lo5cmydn.ref.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

      f91912841ea8dc077a47aa2147b04380

      SHA1

      10428a75e52b11d5d9b1d3cad4d3fb090c1a7c37

      SHA256

      3f222bb7734002af4573e48fc6650301ff7581a3f3391663a546c68935bae80f

      SHA512

      4bc1fd0e7e0671445964fde8d3f67f1b8967a8bdb127a2addb20465b1111eab992adbfd816af2707b3329d8d6db760f455ac7c0c5bb28e068e39d0463129ef33

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

      Filesize

      19KB

      MD5

      887ace5e2ea898a427387bfc9a9ad4be

      SHA1

      3337dd65a859d66aaef4e8e891afd86a3be67c11

      SHA256

      05bd417c5b975121464f23f73d83c9aad607b3d53cd660cda8edbff80f7ca2d2

      SHA512

      648a4d040184e17a8667c98074057fa54228cb37cd2a0d70f30b25818023eba75428e4abb93b3bdd9bb6bef8b44051c3e633fb57b0e3b9f3332c566d3a835b9d

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

      Filesize

      19KB

      MD5

      70307309ac6d53716122e635c6102f17

      SHA1

      842fbbbc85be98f2c4169d1b7359a8b4c8cc86e2

      SHA256

      f220c59ae32324da85a1ee678330feb9f009ef8eb4eb6fa3388656de9074e58b

      SHA512

      f6396e977c49b978f25345a27ca2215e8ad2fcc05382f083e709a27f8ca94175e7857e993b6677257df2de16d6bf301738e4c3ed27210ade58d54d88979f40af

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

      Filesize

      19KB

      MD5

      eee8e94b2879f72e637033830e748ac3

      SHA1

      8c8f9d9fa5cb404e666978ad1677f31b9991e0bf

      SHA256

      3b33740a1ae1d5a1898f55e263bff5d0238ca55cd2074fd9e12b4d6b494a59ae

      SHA512

      d16e1dcfffde22f4967a740a827c95fcee81e0738b6f186771bc7ae1290d2c9b4c2add582569d1fb0a91a16f1129716b9ea7be749bf39ec0a7d289a0176a32e8

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

      Filesize

      19KB

      MD5

      9d40bd7abf2c6f7380e1f6ea454e76f9

      SHA1

      7f70d33929e3b71d991ef854e7bada6822abf828

      SHA256

      84c6c1b83bb5f5faa59c9a49d86e3f6d7b3a60eaa486f2918c0409e334fb2eb4

      SHA512

      e1e2e6eee94319eb824db7cb6d5ec4865b3cd5ea19c610c8e347d2d6199fa947cb99244921fdb0d6db5ff878b7c562e7eaa13f8f066c6b561c4be828ceb5d411

    • C:\Windows\rss\csrss.exe

      Filesize

      4.2MB

      MD5

      32ddef87207fd48862944757fe21f2ab

      SHA1

      53942206c163d02c299e851def37791cda3ef7e1

      SHA256

      073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e

      SHA512

      896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143

    • memory/940-202-0x0000000070320000-0x000000007036C000-memory.dmp

      Filesize

      304KB

    • memory/940-203-0x0000000070AB0000-0x0000000070E04000-memory.dmp

      Filesize

      3.3MB

    • memory/940-200-0x0000000005700000-0x0000000005A54000-memory.dmp

      Filesize

      3.3MB

    • memory/1932-99-0x0000000070580000-0x00000000708D4000-memory.dmp

      Filesize

      3.3MB

    • memory/1932-98-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/2340-138-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2340-132-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/2340-59-0x0000000002A70000-0x0000000002E72000-memory.dmp

      Filesize

      4.0MB

    • memory/2340-131-0x0000000002A70000-0x0000000002E72000-memory.dmp

      Filesize

      4.0MB

    • memory/3068-21-0x00000000060A0000-0x00000000060BE000-memory.dmp

      Filesize

      120KB

    • memory/3068-51-0x00000000077E0000-0x00000000077F4000-memory.dmp

      Filesize

      80KB

    • memory/3068-30-0x0000000070B00000-0x0000000070E54000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-40-0x0000000007660000-0x000000000767E000-memory.dmp

      Filesize

      120KB

    • memory/3068-29-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-41-0x0000000007680000-0x0000000007723000-memory.dmp

      Filesize

      652KB

    • memory/3068-28-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/3068-26-0x0000000007460000-0x000000000747A000-memory.dmp

      Filesize

      104KB

    • memory/3068-44-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-45-0x0000000007770000-0x000000000777A000-memory.dmp

      Filesize

      40KB

    • memory/3068-46-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-47-0x0000000007880000-0x0000000007916000-memory.dmp

      Filesize

      600KB

    • memory/3068-48-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-49-0x0000000007780000-0x0000000007791000-memory.dmp

      Filesize

      68KB

    • memory/3068-50-0x00000000077C0000-0x00000000077CE000-memory.dmp

      Filesize

      56KB

    • memory/3068-27-0x0000000007620000-0x0000000007652000-memory.dmp

      Filesize

      200KB

    • memory/3068-52-0x0000000007830000-0x000000000784A000-memory.dmp

      Filesize

      104KB

    • memory/3068-53-0x0000000007820000-0x0000000007828000-memory.dmp

      Filesize

      32KB

    • memory/3068-56-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-25-0x0000000007AE0000-0x000000000815A000-memory.dmp

      Filesize

      6.5MB

    • memory/3068-24-0x00000000073E0000-0x0000000007456000-memory.dmp

      Filesize

      472KB

    • memory/3068-23-0x00000000065F0000-0x0000000006634000-memory.dmp

      Filesize

      272KB

    • memory/3068-22-0x0000000006150000-0x000000000619C000-memory.dmp

      Filesize

      304KB

    • memory/3068-20-0x0000000005A80000-0x0000000005DD4000-memory.dmp

      Filesize

      3.3MB

    • memory/3068-10-0x0000000005850000-0x00000000058B6000-memory.dmp

      Filesize

      408KB

    • memory/3068-9-0x0000000005170000-0x00000000051D6000-memory.dmp

      Filesize

      408KB

    • memory/3068-8-0x00000000050D0000-0x00000000050F2000-memory.dmp

      Filesize

      136KB

    • memory/3068-6-0x0000000074560000-0x0000000074D10000-memory.dmp

      Filesize

      7.7MB

    • memory/3068-7-0x0000000005220000-0x0000000005848000-memory.dmp

      Filesize

      6.2MB

    • memory/3068-5-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

      Filesize

      216KB

    • memory/3068-4-0x000000007456E000-0x000000007456F000-memory.dmp

      Filesize

      4KB

    • memory/3108-175-0x00000000061F0000-0x000000000623C000-memory.dmp

      Filesize

      304KB

    • memory/3108-173-0x0000000005C90000-0x0000000005FE4000-memory.dmp

      Filesize

      3.3MB

    • memory/3108-189-0x0000000005B40000-0x0000000005B54000-memory.dmp

      Filesize

      80KB

    • memory/3108-188-0x0000000007760000-0x0000000007771000-memory.dmp

      Filesize

      68KB

    • memory/3108-187-0x00000000073D0000-0x0000000007473000-memory.dmp

      Filesize

      652KB

    • memory/3108-177-0x00000000704A0000-0x00000000707F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3108-176-0x0000000070320000-0x000000007036C000-memory.dmp

      Filesize

      304KB

    • memory/3932-120-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/3932-121-0x0000000070580000-0x00000000708D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4480-81-0x0000000006F40000-0x0000000006FE3000-memory.dmp

      Filesize

      652KB

    • memory/4480-84-0x00000000072A0000-0x00000000072B4000-memory.dmp

      Filesize

      80KB

    • memory/4480-70-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/4480-69-0x00000000057F0000-0x0000000005B44000-memory.dmp

      Filesize

      3.3MB

    • memory/4480-71-0x0000000070580000-0x00000000708D4000-memory.dmp

      Filesize

      3.3MB

    • memory/4480-82-0x0000000007250000-0x0000000007261000-memory.dmp

      Filesize

      68KB

    • memory/4720-3-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4720-1-0x0000000002AA0000-0x0000000002E9E000-memory.dmp

      Filesize

      4.0MB

    • memory/4720-2-0x0000000002EA0000-0x000000000378B000-memory.dmp

      Filesize

      8.9MB

    • memory/4720-42-0x0000000002AA0000-0x0000000002E9E000-memory.dmp

      Filesize

      4.0MB

    • memory/4720-83-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4720-57-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4720-43-0x0000000002EA0000-0x000000000378B000-memory.dmp

      Filesize

      8.9MB

    • memory/4848-151-0x0000000070400000-0x000000007044C000-memory.dmp

      Filesize

      304KB

    • memory/4848-140-0x00000000060E0000-0x0000000006434000-memory.dmp

      Filesize

      3.3MB

    • memory/4848-152-0x0000000070B80000-0x0000000070ED4000-memory.dmp

      Filesize

      3.3MB

    • memory/4992-227-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-221-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-223-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-225-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-214-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-229-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-231-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-233-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-235-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-237-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-239-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-241-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB

    • memory/4992-243-0x0000000000400000-0x0000000000D1B000-memory.dmp

      Filesize

      9.1MB