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Resubmissions

08/08/2024, 07:46

240808-jmc2davdnf 10

08/08/2024, 06:50

240808-hlwxes1bjl 10

General

  • Target

    https://mega.nz/folder/o7onBAqb#lPnM6du1_ZsHQgf5SIaC4Q

  • Sample

    240808-hlwxes1bjl

Malware Config

Extracted

Family

xworm

Version

3.1

C2

society-painted.at.ply.gg:17251

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot5817418329:AAGYtFww9eAGl3ZTuqrCmSNxu_TJJiAWkzA/sendMessage?chat_id=1860651440

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

Mutex

oRS7BxRwxp3BS0Q4

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • install_file

    USB.exe

Targets

    • Target

      https://mega.nz/folder/o7onBAqb#lPnM6du1_ZsHQgf5SIaC4Q

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • AgentTesla payload

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks