Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 01:52

General

  • Target

    5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe

  • Size

    649KB

  • MD5

    a04e6ee334556cebd31e9ae152ddbed1

  • SHA1

    68dbddadad1c6c40b8f824ee44726fea87118fcc

  • SHA256

    5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424

  • SHA512

    6734f4d8e7e124b5080b6aa00edd980021ad76ade679e4a9b55c30f86a0e5e916947dcb80ab1d4ec41f31b9a9a4f45cca5c52002ba1a440767a000dffdc2142e

  • SSDEEP

    12288:BSHUDLjHP7ZRvNRwNKIJHp3SaFq4YdoAu3YlRsrKbypq60Ok8c11igY69i72l:JjHP7vMzpiP4YdoOVbypq9OncTW6kE

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • 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 WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe
    "C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • 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\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe
      "C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2104-0-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/2104-1-0x00000000010E0000-0x0000000001188000-memory.dmp

    Filesize

    672KB

  • memory/2104-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-3-0x0000000000540000-0x0000000000550000-memory.dmp

    Filesize

    64KB

  • memory/2104-4-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/2104-5-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-6-0x0000000005C10000-0x0000000005C92000-memory.dmp

    Filesize

    520KB

  • memory/2104-21-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-20-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3064-22-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-26-0x0000000074800000-0x0000000074EEE000-memory.dmp

    Filesize

    6.9MB