Analysis

  • max time kernel
    133s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 20:39

General

  • Target

    e24c47ba37141e19d0343cddc0666f2e.exe

  • Size

    845KB

  • MD5

    e24c47ba37141e19d0343cddc0666f2e

  • SHA1

    79ded7b5f757f9f11d0c1674e18f6de0342c7ec6

  • SHA256

    0dd4a217107132a83c2a17b9ee609dafcf3372a7b04e02421dade166c64a3c77

  • SHA512

    95ddac734be7f9607c724dd940f6a66537d2fd62f714634a0472f8df8d5bd958466b19aaf25d15f44c698b1b0f33e154160d807d43793ae6a2bae7d38112480a

  • SSDEEP

    24576:+aKbPp9AR95yayNEHYofwgKspbHUCwCOd4:qPpKRyaOEfweArx

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.karanex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    roz%KtT3

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e24c47ba37141e19d0343cddc0666f2e.exe
    "C:\Users\Admin\AppData\Local\Temp\e24c47ba37141e19d0343cddc0666f2e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\e24c47ba37141e19d0343cddc0666f2e.exe
      "C:\Users\Admin\AppData\Local\Temp\e24c47ba37141e19d0343cddc0666f2e.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2340-0-0x0000000000DD0000-0x0000000000EA8000-memory.dmp

    Filesize

    864KB

  • memory/2340-1-0x0000000074130000-0x000000007481E000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-2-0x0000000004E00000-0x0000000004E40000-memory.dmp

    Filesize

    256KB

  • memory/2340-3-0x00000000004A0000-0x00000000004B6000-memory.dmp

    Filesize

    88KB

  • memory/2340-4-0x0000000074130000-0x000000007481E000-memory.dmp

    Filesize

    6.9MB

  • memory/2340-5-0x0000000005F70000-0x0000000006008000-memory.dmp

    Filesize

    608KB

  • memory/2340-6-0x00000000042B0000-0x00000000042EC000-memory.dmp

    Filesize

    240KB

  • memory/2340-18-0x0000000074130000-0x000000007481E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-7-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2464-20-0x0000000073A40000-0x000000007412E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-21-0x0000000004C60000-0x0000000004CA0000-memory.dmp

    Filesize

    256KB

  • memory/2464-22-0x0000000073A40000-0x000000007412E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-23-0x0000000004C60000-0x0000000004CA0000-memory.dmp

    Filesize

    256KB

  • memory/2464-24-0x0000000004C60000-0x0000000004CA0000-memory.dmp

    Filesize

    256KB