Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 07:59

General

  • Target

    f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe

  • Size

    14KB

  • MD5

    716c27c08649ad5319ef1c41950c1c82

  • SHA1

    a6ea541cf0cbb41550dcde53b3da372f16c31652

  • SHA256

    f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593

  • SHA512

    f7bcb38737514e0d335ea3d7db8a172e077ad00825740b4e54dedb42fcdc135456981ce2774c9b328809cb28a83b5efe9a281f40b641af1985ed3d2493b0b40e

  • SSDEEP

    384:QqZ14rOq8oLxRLNrqNXjLgL8lLhBN2F3T:QiCCcxFkXk2LhBN03T

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6184846740:AAFy48QnJEpbqT9DY_xx392kz1tH5_khlWo/

Signatures

  • AgentTesla

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

  • 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
  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe
    "C:\Users\Admin\AppData\Local\Temp\f62640b8047a6105ba98ab690d7908f6c3e8aef22f05d6512e838457a01e0593.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2400-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-1-0x00000000002D0000-0x00000000002DA000-memory.dmp

    Filesize

    40KB

  • memory/2400-2-0x0000000004C40000-0x0000000004C50000-memory.dmp

    Filesize

    64KB

  • memory/2400-0-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-9-0x0000000004E30000-0x0000000004E96000-memory.dmp

    Filesize

    408KB

  • memory/5108-6-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-7-0x00000000054F0000-0x0000000005A94000-memory.dmp

    Filesize

    5.6MB

  • memory/5108-8-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB

  • memory/5108-3-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/5108-10-0x0000000006390000-0x00000000063E0000-memory.dmp

    Filesize

    320KB

  • memory/5108-11-0x00000000065B0000-0x0000000006772000-memory.dmp

    Filesize

    1.8MB

  • memory/5108-21-0x0000000006480000-0x000000000651C000-memory.dmp

    Filesize

    624KB

  • memory/5108-22-0x0000000006820000-0x00000000068B2000-memory.dmp

    Filesize

    584KB

  • memory/5108-23-0x0000000006580000-0x000000000658A000-memory.dmp

    Filesize

    40KB

  • memory/5108-24-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-25-0x0000000005120000-0x0000000005130000-memory.dmp

    Filesize

    64KB