Analysis

  • max time kernel
    138s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 17:43

General

  • Target

    FatalityCrack.exe

  • Size

    74KB

  • MD5

    44217b6e8f45f82ebffe92321639290b

  • SHA1

    6bd7da4585d438bc28d5350b9415b6d73b32e807

  • SHA256

    657dcc3378b3dbbd131926612fb00e67683ccbc64dc2d743fce213734804f427

  • SHA512

    a68f7f194aadd63dcfad5af49dac4def19748e8fb657ab4cc06b514a1a7a2f5fb42424cb1a54a259987487558f2f2c950a1fd219a59f9b27ef826774ae27e7c8

  • SSDEEP

    1536:FNhc3BhmLTzjuReXV2y+bo0QnRr6wDeTJPovOoRnaRxsZP:1cxEWRsV2y+boveoOoRN5

Malware Config

Extracted

Family

xworm

C2

userxmorma-27072.portmap.host:27072

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot8050356849:AAGkujkVbiAoFzC-JTeiZPs5sCb3sdrY2sU/sendMessage?chat_id=8050356849

Signatures

  • Detect Xworm Payload 1 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe
    "C:\Users\Admin\AppData\Local\Temp\FatalityCrack.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4172
    • 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\FatalityCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4100
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'FatalityCrack.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3264
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784

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

          77d622bb1a5b250869a3238b9bc1402b

          SHA1

          d47f4003c2554b9dfc4c16f22460b331886b191b

          SHA256

          f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

          SHA512

          d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

          Filesize

          944B

          MD5

          51cf8df21f531e31f7740b4ec487a48a

          SHA1

          40c6a73b22d71625a62df109aefc92a5f9b9d13e

          SHA256

          263d9b98a897d1d66da4832af640c4bf5ab0ae91125ba12243453dfe714f3d0d

          SHA512

          57a85461f6ea96b26a8b53d3a9cca18543e4ddbe996e8f412fc4cf7cf6e9ffe558c96da7b322a42f18bef62020e65aee119bed6102f75e2f605df09b02ec6368

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

          Filesize

          944B

          MD5

          75d224e238a397659d8e5cf458a41143

          SHA1

          d182d16283d3d864a2e328b677551428c29ad6df

          SHA256

          6a98fa5e6c5b77722f2bd8c855fd14d6bf545fc35b292252d1dc136b89ed2fee

          SHA512

          3477f3b4182ffdccc817de4242c8fcba706c193a0de5170cd023f8df3d330487d7e372556524b5a0fe1df56de40923700f3f8368eadf6601970e347cbcf078cc

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dpusqj4g.kdb.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/4100-3-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4100-11-0x000001D9EE320000-0x000001D9EE342000-memory.dmp

          Filesize

          136KB

        • memory/4100-17-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4100-4-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4100-2-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4172-0-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4172-1-0x0000000000320000-0x0000000000338000-memory.dmp

          Filesize

          96KB

        • memory/4172-56-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4172-57-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB

        • memory/4172-58-0x00007FFC4E310000-0x00007FFC4E505000-memory.dmp

          Filesize

          2.0MB