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Overview

overview

10

Static

static

10

Xworm.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    682s
  • max time network
    613s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2025, 13:35

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General

  • Target

    Xworm.exe

  • Size

    828KB

  • MD5

    f2dba5b93fa78fe0357cae18d68bc13f

  • SHA1

    686e5e1ae65116c4d22315b15992163ad4d34f7c

  • SHA256

    0d8cc0a75238c05e1b072683ee43d7e0bf827dde7a652df1467333a2b1f6a570

  • SHA512

    cc9714c48fc9c36f98ec2230e96efd5016c254059cf23ea7ccf318e3e44337559e6f5f48d5b9367a10c5b87bd05df6345c58c64eb728769f649b2411f4dc3970

  • SSDEEP

    12288:pMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9rR0uvsj:pnsJ39LyjbJkQFMhmC+6GD9Fl0

Score
10/10
xredxwormbackdoordiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

simply-exotic.gl.at.ply.gg:27183

Attributes
  • Install_directory

    %Temp%

  • install_file

    Windows.exe

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 6 IoCs
  • Xred

    Xred is backdoor written in Delphi.

    backdoorxred
  • Xred family
    xred
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • 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.

    execution
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Looks up external IP address via web service 1 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 2 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 23 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Xworm.exe
    "C:\Users\Admin\AppData\Local\Temp\Xworm.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Temp\._cache_Xworm.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Xworm.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2308
      • 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\._cache_Xworm.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:852
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '._cache_Xworm.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1284
      • 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\User'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4260
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'User'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3796
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "User" /tr "C:\Users\Admin\AppData\Local\Temp\User"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2472
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /delete /f /tn "User"
        3⤵
          PID:2604
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC4A5.tmp.bat""
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4732
          • C:\Windows\system32\timeout.exe
            timeout 3
            4⤵
            • Delays execution with timeout.exe
            PID:8
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3328
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3408
    • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
      1⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1404
    • C:\Users\Admin\AppData\Local\Temp\User
      C:\Users\Admin\AppData\Local\Temp\User
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1420
    • C:\Users\Admin\AppData\Local\Temp\User
      C:\Users\Admin\AppData\Local\Temp\User
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Users\Admin\AppData\Local\Temp\User
      C:\Users\Admin\AppData\Local\Temp\User
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1072
    • C:\Users\Admin\AppData\Local\Temp\User
      C:\Users\Admin\AppData\Local\Temp\User
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe
      Filesize

      828KB

      MD5

      f2dba5b93fa78fe0357cae18d68bc13f

      SHA1

      686e5e1ae65116c4d22315b15992163ad4d34f7c

      SHA256

      0d8cc0a75238c05e1b072683ee43d7e0bf827dde7a652df1467333a2b1f6a570

      SHA512

      cc9714c48fc9c36f98ec2230e96efd5016c254059cf23ea7ccf318e3e44337559e6f5f48d5b9367a10c5b87bd05df6345c58c64eb728769f649b2411f4dc3970

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\User.log
      Filesize

      654B

      MD5

      2ff39f6c7249774be85fd60a8f9a245e

      SHA1

      684ff36b31aedc1e587c8496c02722c6698c1c4e

      SHA256

      e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

      SHA512

      1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

      Download Submit

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

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      Download Submit

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

      944B

      MD5

      77d622bb1a5b250869a3238b9bc1402b

      SHA1

      d47f4003c2554b9dfc4c16f22460b331886b191b

      SHA256

      f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

      SHA512

      d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

      Download Submit

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

      944B

      MD5

      15dde0683cd1ca19785d7262f554ba93

      SHA1

      d039c577e438546d10ac64837b05da480d06bf69

      SHA256

      d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

      SHA512

      57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

      Download Submit

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

      944B

      MD5

      e3161f4edbc9b963debe22e29658050b

      SHA1

      45dbf88dadafe5dd1cfee1e987c8a219d3208cdb

      SHA256

      1359d6daeaed2f254b162914203c891b23139cc236a3bf75c2dfcbe26265c84a

      SHA512

      006ffb8f37d1f77f8ee79b22ffa413819f565d62773c632b70985759572121c6ab4743139d16d885f8c0ff9d0e0b136686741728b3e142ee54aea3bb733dffb2

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\._cache_Xworm.exe
      Filesize

      75KB

      MD5

      f63d6c11422e7e0ca83981e8dae62f96

      SHA1

      c9c6088a764b07e7d438ad603a8bfcd9972f2b06

      SHA256

      7ed1b4c14c9dfc97094ac40c5fb6c1fe109e4bfcbc953f2ba4331686388be531

      SHA512

      b4dc1037a4fa38482e355aa3f4ac8288aa926dd7c24ee5cd260b5418ebd9ba6a53ef41f3e862eaa71795a2d0b7407fc9d700ec9a224d45f4b7af1e2063f991d9

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\BcKq9YSY.xlsm
      Filesize

      17KB

      MD5

      e566fc53051035e1e6fd0ed1823de0f9

      SHA1

      00bc96c48b98676ecd67e81a6f1d7754e4156044

      SHA256

      8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

      SHA512

      a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\D5C75E00
      Filesize

      22KB

      MD5

      020c0fc75d8a4ce25f98abcd11dcd350

      SHA1

      c168c6437f3599863c75b101308dc642536c8da5

      SHA256

      a91b78e91ebade3959db6f69f3fef3da06d8852e317383e44087fa0dcfd1f87b

      SHA512

      9d99509beaa914135ba48f9543da61e988968b4b010ba5e4448baccda54a84b9eccaddbbbf624cde12b25d3d79e9ac8c434bcc2222783a3351193ac91ef7cd80

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_inbcwkdw.h0w.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp368C.tmp
      Filesize

      100KB

      MD5

      1b942faa8e8b1008a8c3c1004ba57349

      SHA1

      cd99977f6c1819b12b33240b784ca816dfe2cb91

      SHA256

      555ccb7ecd9ae52a75135fdd81ab443a49d5785b0621ed6468d28c4234e46ccc

      SHA512

      5aee3d59478d41ddd5885c99b394c9c4983064e2b3528db1a3f7fc289662bced4f57d072517bbe7573c6d1789435e987ef1aa9cc91f372bcfd30bc016675fa43

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmpC4A5.tmp.bat
      Filesize

      165B

      MD5

      bdf274e549ecb5b782690b4a3499cec1

      SHA1

      4c258ec3d1a6e8ea3f5a39d27fbc7ae377f7ac94

      SHA256

      8c63833eab3a61d85d92609a2d23ee845a31d6643133989c2bacf5bf3ec00071

      SHA512

      6b85c9441c7904ffa6a9319cac9509bb0b678075395209fe10ba0498acdcfdb8754d3be3b54d22c4fc02c79532a4da76ec88cbc0db077adfd7189a62ad727024

      Download Submit

    • memory/852-247-0x000001E54D4D0000-0x000001E54D4F2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/1392-130-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

      Download

    • memory/1392-0-0x0000000002270000-0x0000000002271000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1404-198-0x00007FF7DA9E0000-0x00007FF7DA9F0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-197-0x00007FF7DA9E0000-0x00007FF7DA9F0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-196-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-195-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-193-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-194-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1404-192-0x00007FF7DCAD0000-0x00007FF7DCAE0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2308-242-0x000000001B7F0000-0x000000001B800000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2308-301-0x000000001B7F0000-0x000000001B800000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2308-302-0x000000001CA50000-0x000000001CA5C000-memory.dmp

      Filesize

      48KB

      Download

    • memory/2308-306-0x000000001CBC0000-0x000000001CBC8000-memory.dmp

      Filesize

      32KB

      Download

    • memory/2308-309-0x000000001D8A0000-0x000000001D8DA000-memory.dmp

      Filesize

      232KB

      Download

    • memory/2308-315-0x000000001CBD0000-0x000000001CBDE000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2308-71-0x0000000000D10000-0x0000000000D2A000-memory.dmp

      Filesize

      104KB

      Download

    • memory/2308-61-0x00007FFFFE533000-0x00007FFFFE535000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3328-297-0x0000000002140000-0x0000000002141000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3328-296-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

      Download

    • memory/3328-131-0x0000000002140000-0x0000000002141000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3328-351-0x0000000000400000-0x00000000004D5000-memory.dmp

      Filesize

      852KB

      Download