Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 01:00

General

  • Target
    00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe
  • Size 433KB
  • Sample240613-bcvvfayapg
  • SHA256 00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    webmail.mado.com.tr

  • Port

    587

  • Password

    **Mado1245??

Extracted

Family
  • agenttesla

Credentials

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 178.215.236.251:717

Mutex
  • 0AVeWj1eTvHM3Un2

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot5987023205:AAFlvwKv3zD3wQ2CQAewIB6uU95uBQ25ip0/sendMessage?chat_id=5202962680

aes.plain

Signatures

  • AgentTesla

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

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 3 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Detects executables using Telegram Chat Bot 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 4 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe
    "C:\Users\Admin\AppData\Local\Temp\00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1352
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:412
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:1784
    • C:\Users\Admin\AppData\Local\Temp\doc_10_50.exe
      "C:\Users\Admin\AppData\Local\Temp\doc_10_50.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4092
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /release
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /release
          4⤵
          • Gathers network information
          PID:4356
      • C:\Users\Admin\AppData\Local\Temp\doc_10_50.exe
        "C:\Users\Admin\AppData\Local\Temp\doc_10_50.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1760
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /renew
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /renew
          4⤵
          • Gathers network information
          PID:4396
    • C:\Users\Admin\AppData\Local\Temp\00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe
      "C:\Users\Admin\AppData\Local\Temp\00f9985ce5ead924571059504e5e0f699dc55013da6969752da86eaae8c396a6.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1328
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:3644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        doc_10_50.exe

        • Path C:\Users\Admin\AppData\Local\Temp\doc_10_50.exe
        • Size 435KB
        • SHA256 94691a039d6ae6fe2227051116e13d8875f496df3e77eb129e6a56c97806be1f
        • MD5 SHA1 SHA512 SSDEEP

        folce.exe

        • Path \??\c:\users\admin\appdata\roaming\folce.exe
        • Size 128KB
        • SHA256 bdecd5370e54b5866ca748d8205bc07c5e6aa4ee7fefc32f363d8b7712eae9b9
        • MD5 SHA1 SHA512 SSDEEP

        memory/1352-11-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-25-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-3-0x0000000007740000-0x0000000007990000-memory.dmp

        memory/1352-4-0x0000000007F40000-0x00000000084E4000-memory.dmp

        memory/1352-5-0x0000000007A40000-0x0000000007AD2000-memory.dmp

        memory/1352-15-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-17-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-51-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-65-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-67-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-63-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-61-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-59-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-57-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-55-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-31-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-49-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-47-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-45-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-44-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-39-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-37-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-41-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-35-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-33-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-27-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-23-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-21-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-19-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-13-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-2-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1352-1-0x0000000000990000-0x0000000000A02000-memory.dmp

        memory/1352-54-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-29-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-9-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-7-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-6-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-69-0x0000000007740000-0x000000000798B000-memory.dmp

        memory/1352-4587-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

        memory/1352-4894-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1352-4893-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1352-4896-0x0000000006150000-0x000000000619C000-memory.dmp

        memory/1352-4895-0x0000000005DC0000-0x0000000005E4C000-memory.dmp

        memory/1352-4897-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1352-4909-0x00000000061A0000-0x00000000061F4000-memory.dmp

        memory/1352-4918-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1352-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

        memory/1700-4914-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/1700-4916-0x0000000005450000-0x00000000054B6000-memory.dmp

        memory/1700-4919-0x0000000006950000-0x00000000069A0000-memory.dmp

        memory/1700-4920-0x0000000006A40000-0x0000000006ADC000-memory.dmp

        memory/1700-4921-0x0000000006B10000-0x0000000006B1A000-memory.dmp

        memory/1700-9812-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1700-4917-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/1760-9817-0x0000000000400000-0x0000000000412000-memory.dmp

        memory/4092-4912-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/4092-4915-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/4092-9809-0x0000000005800000-0x000000000585C000-memory.dmp

        memory/4092-9810-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/4092-4922-0x0000000007160000-0x0000000007382000-memory.dmp

        memory/4092-4910-0x00000000004F0000-0x0000000000564000-memory.dmp

        memory/4092-9811-0x0000000074FD0000-0x0000000075780000-memory.dmp

        memory/4092-9823-0x0000000074FD0000-0x0000000075780000-memory.dmp