Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 01:07

General

  • Target

    b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe

  • Size

    480KB

  • MD5

    cdf49517eef4f62690410c27857794d1

  • SHA1

    7e85777debb2af508affc5f817c15b949e240ff3

  • SHA256

    b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10

  • SHA512

    7970fb4bbe3bc0df75e7d06d9a6dd257c14223989880f9f07ed85547af2086f5b2a444d654ef28df4946164dfeb757328747c0fc2eae10efc58b3c0e9fd653de

  • SSDEEP

    12288:APk4DbF53e0IUFLH66aKRKlHqj98qFde1imRSc6LxnOcOh:KWEslHEdFg1imEcWnD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.greatnesawaits.me
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cCHgtag8

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • 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.

  • Drops file in Drivers directory 1 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe
    "C:\Users\Admin\AppData\Local\Temp\b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Users\Admin\AppData\Local\Temp\b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe
      "C:\Users\Admin\AppData\Local\Temp\b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1940-0-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/1940-1-0x0000000000C10000-0x0000000000C8E000-memory.dmp

    Filesize

    504KB

  • memory/1940-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1940-3-0x0000000000350000-0x000000000035E000-memory.dmp

    Filesize

    56KB

  • memory/1940-4-0x000000007443E000-0x000000007443F000-memory.dmp

    Filesize

    4KB

  • memory/1940-5-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1940-6-0x0000000004F20000-0x0000000004F8A000-memory.dmp

    Filesize

    424KB

  • memory/1940-7-0x00000000006E0000-0x000000000071C000-memory.dmp

    Filesize

    240KB

  • memory/1940-22-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-20-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-21-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2668-25-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-26-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB