Analysis

  • max time kernel
    87s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 16:33

Errors

Reason
Machine shutdown

General

  • Target

    проверка.exe

  • Size

    102KB

  • MD5

    58174445e23753c941d39dc0453ac348

  • SHA1

    40e3a9047c49cbae6818297adcd03896d28364c2

  • SHA256

    1e5034d37e7751fb4039157219aee679bf76a8d3b0185a86c0d2255477a58171

  • SHA512

    523ef9adae27b83d87166be13e87944d3816cad08103b65ae2c964bf8828c0c949030e9e967d56b2bf40bba5b9466f8e4d21ccc220892c5f9365e2dd221fe072

  • SSDEEP

    1536:oBFpc8Z5dGYzabvawh+/C6vSX/QOcy/WPPqUs/uoDjSBSc7UtYVL:oa85dGCabvaw4/moOcy/R/1W0cgteL

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes
  • Install_directory

    %AppData%

  • install_file

    Delta.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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
  • Executes dropped EXE 1 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\проверка.exe
    "C:\Users\Admin\AppData\Local\Temp\проверка.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:4628
    • 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\проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4936
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'проверка.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5072
    • 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\Roaming\Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3236
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:648
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"
      2⤵
      • Creates scheduled task(s)
      PID:3516
  • C:\Users\Admin\AppData\Roaming\Delta.exe
    C:\Users\Admin\AppData\Roaming\Delta.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1848
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3948855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4692

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

    944B

    MD5

    cae60f0ddddac635da71bba775a2c5b4

    SHA1

    386f1a036af61345a7d303d45f5230e2df817477

    SHA256

    b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16

    SHA512

    28ed8a8bc132ef56971cfd7b517b17cdb74a7f8c247ef6bff232996210075e06aa58a415825a1e038cfb547ad3dc6882bf1ca1b68c5b360ef0512a1440850253

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

    Filesize

    944B

    MD5

    60945d1a2e48da37d4ce8d9c56b6845a

    SHA1

    83e80a6acbeb44b68b0da00b139471f428a9d6c1

    SHA256

    314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3

    SHA512

    5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1qnzbvq3.w3h.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Delta.exe

    Filesize

    102KB

    MD5

    58174445e23753c941d39dc0453ac348

    SHA1

    40e3a9047c49cbae6818297adcd03896d28364c2

    SHA256

    1e5034d37e7751fb4039157219aee679bf76a8d3b0185a86c0d2255477a58171

    SHA512

    523ef9adae27b83d87166be13e87944d3816cad08103b65ae2c964bf8828c0c949030e9e967d56b2bf40bba5b9466f8e4d21ccc220892c5f9365e2dd221fe072

  • memory/4628-56-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4628-0-0x00007FFD4E233000-0x00007FFD4E235000-memory.dmp

    Filesize

    8KB

  • memory/4628-57-0x00007FFD4E233000-0x00007FFD4E235000-memory.dmp

    Filesize

    8KB

  • memory/4628-58-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4628-59-0x0000000002D00000-0x0000000002D0C000-memory.dmp

    Filesize

    48KB

  • memory/4628-1-0x0000000000AB0000-0x0000000000AD0000-memory.dmp

    Filesize

    128KB

  • memory/4628-64-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4936-17-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4936-14-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4936-13-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4936-12-0x00007FFD4E230000-0x00007FFD4ECF1000-memory.dmp

    Filesize

    10.8MB

  • memory/4936-3-0x000002B120B90000-0x000002B120BB2000-memory.dmp

    Filesize

    136KB