Overview

overview

10

Static

static

3

Sorry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    41s
  • max time network
    42s
  • 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 07:43

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General

  • Target

    Sorry.exe

  • Size

    481KB

  • MD5

    5c152e46af6e1de7f406cea257af9d1e

  • SHA1

    d8b830c0c2e0aa7daeaab5759dc2e71351e98e3f

  • SHA256

    f6262425730236425df601e87f0742166849b0737a1d918c5a8609553f75630f

  • SHA512

    f52e406d166f61319ef2cc781a9c90abab2714746ae3203a8f7f412b02c45aeeb48d4f6966e6bd99279a8f348ac96ef379dc3f58259331c480dd70bf734abb01

  • SSDEEP

    12288:CF2itC7rxZjmoXuaiHi/Xy3I3sBmy1CLoMavQ9clJb8S:4HSZqoXuWPzloMaI9clD

Score
10/10
xwormdefense_evasiondiscoveryevasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Mutex

yNحكـX8ٍبAGLWِF6Jo2DiObلٍLZا3ا

Attributes
  • Install_directory

    %Port%

  • install_file

    MicrosoftEdgeUpdateTaskMachineUAC.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
    evasiontrojan
  • UAC bypass 3 TTPs 1 IoCs
    defense_evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    defense_evasiontrojan
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
    persistence
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
    defense_evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates physical storage devices 1 TTPs

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

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

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

    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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 3 IoCs
    defense_evasion
  • 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\Sorry.exe
    "C:\Users\Admin\AppData\Local\Temp\Sorry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "MasonSorry.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\Sorry.exe'" /sc onlogon /rl HIGHEST
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4888
    • C:\Users\Admin\AppData\Local\Temp\u3hyivn3.lls.exe
      "C:\Users\Admin\AppData\Local\Temp\u3hyivn3.lls.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • UAC bypass
      • Windows security bypass
      • Event Triggered Execution: Image File Execution Options Injection
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4688
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "GoogleUpdateTaskMachineUK" /sc MINUTE /mo 1 /tr "C:\Users\Admin\AppData\Local\Temp\u3hyivn3.lls.exe" /rl HIGHEST /f
        3⤵
          PID:2084
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\u3hyivn3.lls.exe'"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2188
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
        PID:3500

      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

      Image File Execution Options Injection

      1
      T1546.012

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      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

      Image File Execution Options Injection

      1
      T1546.012

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Defense Evasion

      Abuse Elevation Control Mechanism

      1
      T1548

      Bypass User Account Control

      1
      T1548.002

      Impair Defenses

      4
      T1562

      Disable or Modify Tools

      4
      T1562.001

      Modify Registry

      6
      T1112

      Credential Access

      Discovery

      Query Registry

      2
      T1012

      System Information Discovery

      3
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bpa1v1vo.scg.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\u3hyivn3.lls.exe
        Filesize

        444KB

        MD5

        0cb0c98f19e1e14babd396af2fc05f42

        SHA1

        626e7a6eac10f76cff1aab70e20ee73ac15cd7a1

        SHA256

        e702e1c61802c8f3e6adc061c608d9e49c953cf8e040b5acf98a1c1a20735d00

        SHA512

        f14a476b1eb9e78ee1bdbf17d4405b3285ddaa0fe2e08164dfd6ea1e0d99c5d63149571e849f09f19f4039e3cec4f0c801699b8c2c75c9f4b7777803ef455a77

        Download Submit

      • memory/1612-37-0x000001B93CA50000-0x000001B93CA60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/1612-1-0x000001B9223E0000-0x000001B92245E000-memory.dmp

        Filesize

        504KB

        Download

      • memory/1612-2-0x000001B924050000-0x000001B9241E7000-memory.dmp

        Filesize

        1.6MB

        Download

      • memory/1612-0-0x00007FF976223000-0x00007FF976225000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1612-13-0x000001B93CA50000-0x000001B93CA60000-memory.dmp

        Filesize

        64KB

        Download

      • memory/1612-15-0x000001B93CA30000-0x000001B93CA3E000-memory.dmp

        Filesize

        56KB

        Download

      • memory/2188-21-0x0000015C3E640000-0x0000015C3E662000-memory.dmp

        Filesize

        136KB

        Download

      • memory/4688-14-0x0000000002460000-0x0000000002461000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4688-12-0x0000000000593000-0x0000000000594000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4688-34-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

        Download

      • memory/4688-10-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

        Download

      • memory/4688-43-0x0000000002460000-0x0000000002461000-memory.dmp

        Filesize

        4KB

        Download

      • memory/4688-42-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

        Download

      • memory/4688-64-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

        Download

      • memory/4688-85-0x0000000000400000-0x0000000000597000-memory.dmp

        Filesize

        1.6MB

        Download