Analysis

  • max time kernel
    146s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    31-05-2024 09:04

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 3 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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⤵
    • 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:2960
    • 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:896
    • 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:2680
    • 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:2660
    • 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:1980
    • 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:2584
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {982701FA-0ADD-4D1B-8762-D22A93BD0F88} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
    • C:\Users\Admin\AppData\Roaming\Delta.exe
      C:\Users\Admin\AppData\Roaming\Delta.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    102KB

    MD5

    58174445e23753c941d39dc0453ac348

    SHA1

    40e3a9047c49cbae6818297adcd03896d28364c2

    SHA256

    1e5034d37e7751fb4039157219aee679bf76a8d3b0185a86c0d2255477a58171

    SHA512

    523ef9adae27b83d87166be13e87944d3816cad08103b65ae2c964bf8828c0c949030e9e967d56b2bf40bba5b9466f8e4d21ccc220892c5f9365e2dd221fe072

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    21fdc55cce63482e198b3394c331db81

    SHA1

    47bf60d8469ecf03973620532b028908105474db

    SHA256

    7e5faa5717bad534b166f015f2cd9f213281003daca50ddba8d8f4e0f3aebbf8

    SHA512

    0e559cd3811b77c16c59eec1b2ce74388f6ea9407883d2e0ce38525afce8a0ce8648420dd4fbbf7dc7bbe31e367ab76f2640065056b0239c72f6d34ef5dad77e

  • memory/896-6-0x0000000002CD0000-0x0000000002D50000-memory.dmp

    Filesize

    512KB

  • memory/896-7-0x000000001B760000-0x000000001BA42000-memory.dmp

    Filesize

    2.9MB

  • memory/896-8-0x0000000002660000-0x0000000002668000-memory.dmp

    Filesize

    32KB

  • memory/2680-14-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2680-15-0x0000000001DD0000-0x0000000001DD8000-memory.dmp

    Filesize

    32KB

  • memory/2960-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

    Filesize

    4KB

  • memory/2960-30-0x000000001B470000-0x000000001B4F0000-memory.dmp

    Filesize

    512KB

  • memory/2960-31-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

    Filesize

    4KB

  • memory/2960-32-0x000000001B470000-0x000000001B4F0000-memory.dmp

    Filesize

    512KB

  • memory/2960-1-0x0000000000EC0000-0x0000000000EE0000-memory.dmp

    Filesize

    128KB

  • memory/3024-36-0x0000000000DF0000-0x0000000000E10000-memory.dmp

    Filesize

    128KB