Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:29

General

  • Target

    202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe

  • Size

    4.1MB

  • MD5

    4fce6fff0494e8b07f3a1afc97bb4c95

  • SHA1

    317736f49bcff42745ebdd055e45bd9d66a70a8b

  • SHA256

    202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169

  • SHA512

    9a8e66e2b78e7b401312dab9349b566361395c27a8080addc1f5a62cf84170f22620fa9a8977bded5f1c2d3bdada9293593b95544f714b855afed5626290249c

  • SSDEEP

    98304:KEJIWEvfJYldNz1VWpL3L0cE4bvJAyhw6eqjyZouO:KEJJEv+l7zil3jygVjyy5

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 19 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 17 IoCs
  • Detects executables Discord URL observed in first stage droppers 17 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 17 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 17 IoCs
  • Detects executables referencing many varying, potentially fake Windows User-Agents 17 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.

  • Program crash 1 IoCs
  • 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\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe
    "C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1556
    • 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:2700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 2280
        3⤵
        • Program crash
        PID:4360
    • C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.exe
      "C:\Users\Admin\AppData\Local\Temp\202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169.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:2384
      • 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:1272
      • 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:4688
        • 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:1664
      • 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:4224
      • 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:2284
      • 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:3156
        • 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:3992
        • 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:928
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1472
          • 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:5056
          • 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:1124
          • 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:2876
          • 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:1176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2700 -ip 2700
      1⤵
        PID:4568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b114lw5j.1bj.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

        3d086a433708053f9bf9523e1d87a4e8

        SHA1

        b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

        SHA256

        6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

        SHA512

        931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

        Filesize

        19KB

        MD5

        2d38aa01740f2c867148a6213cda5dfe

        SHA1

        6a4950adfc4fd6277da99ac7deb192d91db023af

        SHA256

        dbad3503ff0fc5c9468c5f4624982171e00b9b1cf86c56399fd8573e9995626e

        SHA512

        ddedfa275c3e8528dd4fa57746d0add5b2047aa01ae52626caa1c4384835401cbf29c31450e8b78f1dc333b0100c601617a59576b00905cada23b4097a2db4e6

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

        Filesize

        19KB

        MD5

        e39fd11281ba583a2dcbd5936e104a35

        SHA1

        23a437f1eb408a451436a2e20f88136cedd2d105

        SHA256

        a375eab0cb4be000d55759b041af1b1b06879132150d60dece63f596f4e5e3c5

        SHA512

        f11004149bc9c236f96303870030fd58e2350d45590112368cae55fa73ce55e3d48322ebbe283b21a8736c7200ac1b7a7f0af4a0489d4c2d3141444ca379cde3

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

        Filesize

        19KB

        MD5

        8a56e2792e068163938b18d921d9b525

        SHA1

        1041a9d29aa3949add33f9a6207f72148824b8e8

        SHA256

        6d4ddaf7174e3b05af167297b087baebf6710d687d7ae7a1a02f630911f28a8b

        SHA512

        455cc130244719d131dbafa7913313e5ca34bef3498d0c5c186d1eff2112abc91325a4247ecd474e1b8e5fa1d11d406d43c77b17318ab7bdbee5650f4c439acc

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

        Filesize

        19KB

        MD5

        11c321c997b33e8c1438f222cfb522b3

        SHA1

        c8805f8af2eee44df2c18684b2be2d5561583869

        SHA256

        44d094c11fe6014f2c7a96eeb6792142be03faf3c2a03a5396f7b38c9b970701

        SHA512

        d8ebaf69599773f46c6f2bce8a6802313071478ce1bfdc780765200a32cb99958e734262a007a5fbf44fd4336795c5de3ff04f3638f42ab5a6dc3c4a863e3f3f

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

        Filesize

        19KB

        MD5

        d924de02c3dd6e0506204a6dc3a1a157

        SHA1

        f600b339edd5366c9226f8388219fa6f5103a66b

        SHA256

        167a76f16efe39d0b4eb2b96ccd99a0c5e79e2f24fd3592ab4363664a3234592

        SHA512

        fd2371507a9a2dc5528117563c33c5f8802babf28a6927db97b2611c6a52efb0c1412bf5895191ef2b49da66876144ba5d373326841a5fb1a2f3af9afc02c349

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        4fce6fff0494e8b07f3a1afc97bb4c95

        SHA1

        317736f49bcff42745ebdd055e45bd9d66a70a8b

        SHA256

        202142386f6d9a19f3649e5de2f5f37767333c52650dba1e7aba5550aae56169

        SHA512

        9a8e66e2b78e7b401312dab9349b566361395c27a8080addc1f5a62cf84170f22620fa9a8977bded5f1c2d3bdada9293593b95544f714b855afed5626290249c

      • memory/1124-197-0x0000000070820000-0x0000000070B74000-memory.dmp

        Filesize

        3.3MB

      • memory/1124-196-0x00000000706A0000-0x00000000706EC000-memory.dmp

        Filesize

        304KB

      • memory/1124-194-0x0000000006060000-0x00000000063B4000-memory.dmp

        Filesize

        3.3MB

      • memory/1272-75-0x0000000007180000-0x0000000007188000-memory.dmp

        Filesize

        32KB

      • memory/1272-58-0x0000000070780000-0x00000000707CC000-memory.dmp

        Filesize

        304KB

      • memory/1272-72-0x0000000007140000-0x000000000714E000-memory.dmp

        Filesize

        56KB

      • memory/1272-70-0x00000000071D0000-0x0000000007266000-memory.dmp

        Filesize

        600KB

      • memory/1272-69-0x0000000006DE0000-0x0000000006E83000-memory.dmp

        Filesize

        652KB

      • memory/1272-73-0x0000000007150000-0x0000000007164000-memory.dmp

        Filesize

        80KB

      • memory/1272-59-0x0000000070900000-0x0000000070C54000-memory.dmp

        Filesize

        3.3MB

      • memory/1272-74-0x0000000007190000-0x00000000071AA000-memory.dmp

        Filesize

        104KB

      • memory/1272-71-0x0000000007100000-0x0000000007111000-memory.dmp

        Filesize

        68KB

      • memory/1556-4-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/1556-2-0x0000000004F70000-0x000000000585B000-memory.dmp

        Filesize

        8.9MB

      • memory/1556-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1556-102-0x0000000004F70000-0x000000000585B000-memory.dmp

        Filesize

        8.9MB

      • memory/1556-1-0x0000000004B60000-0x0000000004F64000-memory.dmp

        Filesize

        4.0MB

      • memory/1556-57-0x0000000004B60000-0x0000000004F64000-memory.dmp

        Filesize

        4.0MB

      • memory/1556-133-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/1556-47-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/2284-104-0x0000000005690000-0x00000000059E4000-memory.dmp

        Filesize

        3.3MB

      • memory/2284-115-0x0000000070780000-0x00000000707CC000-memory.dmp

        Filesize

        304KB

      • memory/2284-116-0x0000000070F00000-0x0000000071254000-memory.dmp

        Filesize

        3.3MB

      • memory/2384-78-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/2384-130-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/2700-28-0x0000000007860000-0x000000000787A000-memory.dmp

        Filesize

        104KB

      • memory/2700-10-0x00000000054E0000-0x0000000005502000-memory.dmp

        Filesize

        136KB

      • memory/2700-44-0x0000000007B70000-0x0000000007B7A000-memory.dmp

        Filesize

        40KB

      • memory/2700-43-0x0000000007A80000-0x0000000007B23000-memory.dmp

        Filesize

        652KB

      • memory/2700-42-0x0000000007A60000-0x0000000007A7E000-memory.dmp

        Filesize

        120KB

      • memory/2700-31-0x00000000748E0000-0x0000000075090000-memory.dmp

        Filesize

        7.7MB

      • memory/2700-32-0x0000000070900000-0x0000000070C54000-memory.dmp

        Filesize

        3.3MB

      • memory/2700-29-0x0000000007A20000-0x0000000007A52000-memory.dmp

        Filesize

        200KB

      • memory/2700-5-0x0000000004EE0000-0x0000000004F16000-memory.dmp

        Filesize

        216KB

      • memory/2700-6-0x00000000748EE000-0x00000000748EF000-memory.dmp

        Filesize

        4KB

      • memory/2700-30-0x0000000070780000-0x00000000707CC000-memory.dmp

        Filesize

        304KB

      • memory/2700-27-0x0000000007EE0000-0x000000000855A000-memory.dmp

        Filesize

        6.5MB

      • memory/2700-26-0x00000000077E0000-0x0000000007856000-memory.dmp

        Filesize

        472KB

      • memory/2700-25-0x0000000006A00000-0x0000000006A44000-memory.dmp

        Filesize

        272KB

      • memory/2700-24-0x00000000064F0000-0x000000000653C000-memory.dmp

        Filesize

        304KB

      • memory/2700-23-0x00000000064A0000-0x00000000064BE000-memory.dmp

        Filesize

        120KB

      • memory/2700-22-0x00000000060C0000-0x0000000006414000-memory.dmp

        Filesize

        3.3MB

      • memory/2700-11-0x0000000005E00000-0x0000000005E66000-memory.dmp

        Filesize

        408KB

      • memory/2700-12-0x0000000005E70000-0x0000000005ED6000-memory.dmp

        Filesize

        408KB

      • memory/2700-8-0x00000000748E0000-0x0000000075090000-memory.dmp

        Filesize

        7.7MB

      • memory/2700-7-0x0000000005660000-0x0000000005C88000-memory.dmp

        Filesize

        6.2MB

      • memory/2700-9-0x00000000748E0000-0x0000000075090000-memory.dmp

        Filesize

        7.7MB

      • memory/2700-45-0x00000000748E0000-0x0000000075090000-memory.dmp

        Filesize

        7.7MB

      • memory/3156-222-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-232-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-230-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-228-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-226-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-224-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-216-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-156-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-220-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-218-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3156-214-0x0000000000400000-0x0000000002EDD000-memory.dmp

        Filesize

        42.9MB

      • memory/3992-146-0x0000000070F00000-0x0000000071254000-memory.dmp

        Filesize

        3.3MB

      • memory/3992-145-0x0000000070780000-0x00000000707CC000-memory.dmp

        Filesize

        304KB

      • memory/4224-91-0x0000000070900000-0x0000000070C54000-memory.dmp

        Filesize

        3.3MB

      • memory/4224-90-0x0000000070780000-0x00000000707CC000-memory.dmp

        Filesize

        304KB

      • memory/5056-163-0x0000000005AF0000-0x0000000005E44000-memory.dmp

        Filesize

        3.3MB

      • memory/5056-183-0x0000000005FD0000-0x0000000005FE4000-memory.dmp

        Filesize

        80KB

      • memory/5056-182-0x0000000007770000-0x0000000007781000-memory.dmp

        Filesize

        68KB

      • memory/5056-181-0x00000000073F0000-0x0000000007493000-memory.dmp

        Filesize

        652KB

      • memory/5056-171-0x0000000070E30000-0x0000000071184000-memory.dmp

        Filesize

        3.3MB

      • memory/5056-170-0x00000000706A0000-0x00000000706EC000-memory.dmp

        Filesize

        304KB

      • memory/5056-169-0x0000000006750000-0x000000000679C000-memory.dmp

        Filesize

        304KB