Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 10:18

General

  • Target

    ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1.exe

  • Size

    4.1MB

  • MD5

    dfb32879d0fd63b6442f140775eb1975

  • SHA1

    a77f4bf5a1730d314dca28719fb0e5b4e2c11ace

  • SHA256

    ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1

  • SHA512

    b427f98a1148ec135b38a4e7b6c81a1837daf77cfb1412a6b04c3627a2b276581732b369ff732a9d5353b44e56f7ac994792ef4238db3c761dd4b1b47c8a3c16

  • SSDEEP

    98304:JGrnwiB2dYFBQLVw0Jv37FWi1chPr/xRmmjECQgDNO:JG7LuY/yhvJWf/qmwCQmO

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 14 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 58 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\ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1.exe
    "C:\Users\Admin\AppData\Local\Temp\ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • 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:2464
    • C:\Users\Admin\AppData\Local\Temp\ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1.exe
      "C:\Users\Admin\AppData\Local\Temp\ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1.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:1512
      • 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:3488
      • 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:3836
        • 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:5036
      • 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:1976
      • 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:2348
      • 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:4484
        • 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:2960
        • 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:4036
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1792
          • 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:384
          • 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:3172
          • 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:3556
          • 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:2708
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txasefdj.coq.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

        3c08d7a5789e559230fb6cf55189b9fe

        SHA1

        cb1c15b41d94988c4e578ea909860f545009bd2d

        SHA256

        2d0795d2343c7c4e8f60f2c3b8e5ec43f34e1cfa57a17d1b66c7707fd80b3b1a

        SHA512

        5d69a340fa65c72354007607797bca7f2afa9790582b5373e2b4c0812f59485ee8df6ca6a026890cc8d95db39ff67574f4519c9a50d35adfc5f91fcb0a53d08c

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

        Filesize

        19KB

        MD5

        8f3347ee741a6e0fda051ee5e37ecfce

        SHA1

        cec7d6fbf48478b1cbadc99efcf085d3d0ddf482

        SHA256

        df76b71ede114405dedf64e3effd8d2e8b228ebcfcecf9bdd6152d0067a28303

        SHA512

        98c0941a83a4a4553e247cd3d31d2ee87a6a847f9e869c329cb14befbea205553ab869215ed0f922c614843a0613dd7e04c27b72faca7779283a6574237f4769

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

        Filesize

        19KB

        MD5

        e25b8ac2bad871c0a7ce5ee1967ac104

        SHA1

        491957f55d44096eab3bcabcf2d7a53739b31fc3

        SHA256

        7c66f3c9d49f1224bc0ef045a0e94347beeed58dc73126ca1e645869daa57a41

        SHA512

        e1f5c4ad8ada74a958c76c2d68376ff0f2ef513f16878984efb95b7b42dabefd150b8a2b68d42cd56426bd0b1e914bb07d0ffe74235b87f45aea8efd9c4dc6c1

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

        Filesize

        19KB

        MD5

        1e830887575dd01316121c3c9c4659ae

        SHA1

        b5cec1db891b0b82f9dcc031ccae4c3bb0db14b9

        SHA256

        60dfd3ca7ffaadc8a733d898a53ed6ed6badf39794522ea2c0d267a41fda6a76

        SHA512

        d608b4eeee6d076059642b2ef5131f00f60364ab61988e35045e6b46f52381830ddf7f1382463bd1933cc3ce8634df13d9b92784b19066ac9bed518db273b761

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

        Filesize

        19KB

        MD5

        8248a3984aaec80833ea5d0db1ddfdb6

        SHA1

        8024da6ad5ac2a92668d0d136fbe6ec4e375868d

        SHA256

        529c82fac416450f3f5daf3b65c42b883221901e581cea62d8d95f6a7cfea0f3

        SHA512

        6da1276d57e4072162fdeb911f8a61c2447ccf9da9404d6176b5273aca5270f3e1352a6383fb80ebdedd7465a8125a00a75d1bf276f049c9f10eee30fc0be934

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        dfb32879d0fd63b6442f140775eb1975

        SHA1

        a77f4bf5a1730d314dca28719fb0e5b4e2c11ace

        SHA256

        ec045ab4c0957a1930d5effe265d30a1624713ea2897b78b7fddb5322d9960f1

        SHA512

        b427f98a1148ec135b38a4e7b6c81a1837daf77cfb1412a6b04c3627a2b276581732b369ff732a9d5353b44e56f7ac994792ef4238db3c761dd4b1b47c8a3c16

      • memory/384-195-0x0000000005680000-0x0000000005691000-memory.dmp

        Filesize

        68KB

      • memory/384-180-0x0000000005750000-0x0000000005AA4000-memory.dmp

        Filesize

        3.3MB

      • memory/384-182-0x0000000005C70000-0x0000000005CBC000-memory.dmp

        Filesize

        304KB

      • memory/384-183-0x000000006FEA0000-0x000000006FEEC000-memory.dmp

        Filesize

        304KB

      • memory/384-184-0x0000000070040000-0x0000000070394000-memory.dmp

        Filesize

        3.3MB

      • memory/384-194-0x0000000006E70000-0x0000000006F13000-memory.dmp

        Filesize

        652KB

      • memory/384-196-0x00000000056C0000-0x00000000056D4000-memory.dmp

        Filesize

        80KB

      • memory/1512-140-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1512-135-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1512-99-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1596-60-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1596-55-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1596-2-0x0000000004FC0000-0x00000000058AB000-memory.dmp

        Filesize

        8.9MB

      • memory/1596-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1596-9-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1596-32-0x0000000004FC0000-0x00000000058AB000-memory.dmp

        Filesize

        8.9MB

      • memory/1596-26-0x0000000003420000-0x000000000381D000-memory.dmp

        Filesize

        4.0MB

      • memory/1596-1-0x0000000003420000-0x000000000381D000-memory.dmp

        Filesize

        4.0MB

      • memory/1596-54-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1976-102-0x0000000070720000-0x0000000070A74000-memory.dmp

        Filesize

        3.3MB

      • memory/1976-101-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        Filesize

        304KB

      • memory/2348-125-0x0000000070720000-0x0000000070A74000-memory.dmp

        Filesize

        3.3MB

      • memory/2348-124-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        Filesize

        304KB

      • memory/2464-52-0x0000000008220000-0x000000000823A000-memory.dmp

        Filesize

        104KB

      • memory/2464-7-0x00000000740E0000-0x0000000074890000-memory.dmp

        Filesize

        7.7MB

      • memory/2464-29-0x0000000008400000-0x0000000008A7A000-memory.dmp

        Filesize

        6.5MB

      • memory/2464-53-0x0000000008160000-0x0000000008168000-memory.dmp

        Filesize

        32KB

      • memory/2464-50-0x0000000008120000-0x000000000812E000-memory.dmp

        Filesize

        56KB

      • memory/2464-49-0x00000000080E0000-0x00000000080F1000-memory.dmp

        Filesize

        68KB

      • memory/2464-58-0x00000000740E0000-0x0000000074890000-memory.dmp

        Filesize

        7.7MB

      • memory/2464-48-0x0000000008180000-0x0000000008216000-memory.dmp

        Filesize

        600KB

      • memory/2464-30-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

        Filesize

        104KB

      • memory/2464-31-0x0000000007F90000-0x0000000007FC2000-memory.dmp

        Filesize

        200KB

      • memory/2464-4-0x00000000740EE000-0x00000000740EF000-memory.dmp

        Filesize

        4KB

      • memory/2464-5-0x0000000005380000-0x00000000053B6000-memory.dmp

        Filesize

        216KB

      • memory/2464-6-0x00000000740E0000-0x0000000074890000-memory.dmp

        Filesize

        7.7MB

      • memory/2464-51-0x0000000008130000-0x0000000008144000-memory.dmp

        Filesize

        80KB

      • memory/2464-28-0x0000000007C80000-0x0000000007CF6000-memory.dmp

        Filesize

        472KB

      • memory/2464-27-0x00000000740E0000-0x0000000074890000-memory.dmp

        Filesize

        7.7MB

      • memory/2464-47-0x00000000080C0000-0x00000000080CA000-memory.dmp

        Filesize

        40KB

      • memory/2464-34-0x0000000070500000-0x0000000070854000-memory.dmp

        Filesize

        3.3MB

      • memory/2464-44-0x0000000007F70000-0x0000000007F8E000-memory.dmp

        Filesize

        120KB

      • memory/2464-25-0x0000000006EE0000-0x0000000006F24000-memory.dmp

        Filesize

        272KB

      • memory/2464-45-0x00000000740E0000-0x0000000074890000-memory.dmp

        Filesize

        7.7MB

      • memory/2464-46-0x0000000007FD0000-0x0000000008073000-memory.dmp

        Filesize

        652KB

      • memory/2464-24-0x0000000006A30000-0x0000000006A7C000-memory.dmp

        Filesize

        304KB

      • memory/2464-23-0x00000000069F0000-0x0000000006A0E000-memory.dmp

        Filesize

        120KB

      • memory/2464-18-0x00000000063A0000-0x00000000066F4000-memory.dmp

        Filesize

        3.3MB

      • memory/2464-8-0x0000000005AE0000-0x0000000006108000-memory.dmp

        Filesize

        6.2MB

      • memory/2464-12-0x00000000062F0000-0x0000000006356000-memory.dmp

        Filesize

        408KB

      • memory/2464-33-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        Filesize

        304KB

      • memory/2464-10-0x0000000005980000-0x00000000059A2000-memory.dmp

        Filesize

        136KB

      • memory/2464-11-0x0000000006180000-0x00000000061E6000-memory.dmp

        Filesize

        408KB

      • memory/2960-158-0x0000000070100000-0x0000000070454000-memory.dmp

        Filesize

        3.3MB

      • memory/2960-157-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        Filesize

        304KB

      • memory/2960-155-0x0000000005DF0000-0x0000000006144000-memory.dmp

        Filesize

        3.3MB

      • memory/3172-208-0x0000000005F10000-0x0000000006264000-memory.dmp

        Filesize

        3.3MB

      • memory/3172-211-0x0000000070050000-0x00000000703A4000-memory.dmp

        Filesize

        3.3MB

      • memory/3172-210-0x000000006FEA0000-0x000000006FEEC000-memory.dmp

        Filesize

        304KB

      • memory/3488-86-0x0000000007E30000-0x0000000007E44000-memory.dmp

        Filesize

        80KB

      • memory/3488-73-0x0000000070720000-0x0000000070A74000-memory.dmp

        Filesize

        3.3MB

      • memory/3488-84-0x0000000007BB0000-0x0000000007C53000-memory.dmp

        Filesize

        652KB

      • memory/3488-72-0x000000006FF80000-0x000000006FFCC000-memory.dmp

        Filesize

        304KB

      • memory/3488-85-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

        Filesize

        68KB

      • memory/3488-67-0x0000000006270000-0x00000000065C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4484-198-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/4484-168-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/4484-228-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/4484-230-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB