Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 01:07

General

  • Target

    2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe

  • Size

    852KB

  • MD5

    dd800a9d42c8d41146c3f8f53ccd29f9

  • SHA1

    2c2b828705e4ddc314d3a9aee659baad7ca650bd

  • SHA256

    2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431

  • SHA512

    f91712fe8b7a7382de0eb32e0d158be08d807c3868f164603ebbcff9595b74141624dd1c2e571cd4964c8bed018f0796a299a88f23fa70d86192c8367064c38b

  • SSDEEP

    24576:SMu2uO0l+nEXtAdU6xp8flT4zgS4v8PeT/SWmqmo:BuT3upikcS4UmT/Ao

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6224217116:AAGNvwYwFGJq74My50AttE7zm5CocLNeufI/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe
    "C:\Users\Admin\AppData\Local\Temp\2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1260
    • 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\2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Users\Admin\AppData\Local\Temp\2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe
      "C:\Users\Admin\AppData\Local\Temp\2e31bfbc51607f142e0413db74ced776bb207448c052b9363250d2b93e718431.exe"
      2⤵
      • 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:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1260-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1260-1-0x00000000011C0000-0x0000000001296000-memory.dmp

    Filesize

    856KB

  • memory/1260-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1260-3-0x00000000003B0000-0x00000000003D6000-memory.dmp

    Filesize

    152KB

  • memory/1260-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/1260-5-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/1260-6-0x0000000004BC0000-0x0000000004C44000-memory.dmp

    Filesize

    528KB

  • memory/1260-22-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-17-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2848-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-11-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-23-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-21-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2848-24-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-35-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB