Overview

overview

10

Static

static

3

f7f52f6bbf...c4.exe

windows7-x64

10

f7f52f6bbf...c4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 03:33

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General

  • Target

    f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe

  • Size

    85.1MB

  • MD5

    8310bdf3ac82001830f75c15fba8cc15

  • SHA1

    581d729268cbd245d091633cc19692c4b5bfa0af

  • SHA256

    f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4

  • SHA512

    ceab56619fa83baddcc3af7b781ce144ec53db919a6a80079b51e874d495e78349dc6882dad3f815c95274d8caca514765f34086f0b7acb8d42c616ca1714bf0

  • SSDEEP

    49152:kDSdqvdbLqSewjI63pCESb+7sQuJwomAiyHwjfUZo+JP0D73BB681fhojkIG1l0D:

Score
10/10
xwormdiscoveryevasionexecutionpersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

xworm

C2

45.145.41.178:1111

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Defender Notification.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • 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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

    discovery
  • 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: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 34 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\f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe
    "C:\Users\Admin\AppData\Local\Temp\f7f52f6bbffa02fffcea30d5806050b7702a9a78dcbeae83e28c45d81aa1c4c4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe" "Windows Defender Real Time Protection.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Time Discovery
        PID:1848
    • C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe
      "C:\Users\Admin\AppData\Local\Temp\CraxsRat.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2244 -s 528
        3⤵
          PID:2748
      • C:\Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe"
        2⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2644
        • 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\Windows Defender Notification.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2668
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender Notification.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1768
        • 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\Windows Defender Notification.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2008
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Defender Notification.exe'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2624
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender Notification" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender Notification.exe"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2992
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {B33A6ECB-93B3-49D5-990B-9C8A40F7489E} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
      1⤵
        PID:2160

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Create or Modify System Process

      1
      T1543

      Windows Service

      1
      T1543.003

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Defense Evasion

      Impair Defenses

      1
      T1562

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      System Time Discovery

      1
      T1124

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

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      Downloads

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

        7KB

        MD5

        e7ff008fe031f9e716f34aca193ba973

        SHA1

        4636f4b908cacc2cbfae9b12073d02f1e21701ff

        SHA256

        ce3abb2682110304d53f4b394f2a65e5ae85e2e202cec7a08a00b3fd72724aaf

        SHA512

        74b53bcad59e18c8a5e7e6f431b1c7aeedcd78dd9ba028b5504c0a2e2e796209885ed0cd4749df8feca63022d67ee720cea36a4f9b6879540f22c88304301e70

        Download Submit

      • \Users\Admin\AppData\Local\Temp\Windows Defender Notification.exe
        Filesize

        75KB

        MD5

        8d6e86e6e799c75bd5123534bdbf411b

        SHA1

        9fc526e97077ed2a5e78371fdab5ab7ecf789368

        SHA256

        7892c9f14967696e15b99b3eac66d65643357c9a4315f5e8210c8437c6617888

        SHA512

        8cd6e706c3f36d7cb1d6eed3717fd3e96863b6fcf4ee3425f7b08823b8dc364a1de215b578310a3d1fddd98f9eb648ddeafd85d8a2feed399d46fba7dba09265

        Download Submit

      • \Users\Admin\AppData\Local\Temp\Windows Defender Real Time Protection.exe
        Filesize

        32KB

        MD5

        fc15fb0cec248ea16a6eda92ab97b1f8

        SHA1

        01af6a8e81a92487ed29b9706ef8c86957666a45

        SHA256

        73e71dc70f6daeebd9a257d0b0c6e67e87c6d50b27eb94af08d15f1afb6ed02c

        SHA512

        525dbba870aeeb38edf40a31ab36230f11b481a63e14b441dc314f40da310d936dcac1b46f05aa93bbcf511acf1375aaaea5aa0438b399ba24812bddec93d730

        Download Submit

      • memory/1420-1-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/1420-3-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/1420-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1420-24-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/1768-39-0x0000000002790000-0x0000000002798000-memory.dmp

        Filesize

        32KB

        Download

      • memory/1768-38-0x000000001B660000-0x000000001B942000-memory.dmp

        Filesize

        2.9MB

        Download

      • memory/2188-10-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/2188-11-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/2188-57-0x0000000074D90000-0x000000007533B000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/2244-26-0x0000000000AD0000-0x0000000004A80000-memory.dmp

        Filesize

        63.7MB

        Download

      • memory/2624-51-0x000000001B600000-0x000000001B8E2000-memory.dmp

        Filesize

        2.9MB

        Download

      • memory/2624-52-0x0000000002350000-0x0000000002358000-memory.dmp

        Filesize

        32KB

        Download

      • memory/2644-25-0x0000000001170000-0x000000000118A000-memory.dmp

        Filesize

        104KB

        Download

      • memory/2668-31-0x000000001B620000-0x000000001B902000-memory.dmp

        Filesize

        2.9MB

        Download

      • memory/2668-32-0x0000000002240000-0x0000000002248000-memory.dmp

        Filesize

        32KB

        Download