Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:54

General

  • Target

    c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2.exe

  • Size

    706KB

  • MD5

    d88a9970ec7a11ade4a6dfc3d8150496

  • SHA1

    90e72afbb1eed4c0f20fbc8a7ef5e3069ece0eef

  • SHA256

    c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2

  • SHA512

    54596967f17980e34528c20a2b284edcd03c02dd105d904600cb4e48816b560c201371b2f202db962a1df37dca310dd4a82ed08ab12683ccde74dd404d0a1af2

  • SSDEEP

    12288:GTn3D0uf8+u0wrXN/HoX18jyU0rOcKdIXxIlmQockPZS+/I6YtMl0:Az0uf8+1wriF8grBkIhIlmQocz+/TmM

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.teddyjnr.com
  • Port:
    587
  • Username:
    cs2@teddyjnr.com
  • Password:
    Lisa#2022!
  • Email To:
    successbright053@gmail.com

Signatures

  • AgentTesla

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

  • 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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2.exe
    "C:\Users\Admin\AppData\Local\Temp\c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2.exe
      "C:\Users\Admin\AppData\Local\Temp\c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2008-22-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2008-1-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2008-2-0x0000000000710000-0x0000000000750000-memory.dmp
    Filesize

    256KB

  • memory/2008-3-0x0000000005080000-0x000000000511E000-memory.dmp
    Filesize

    632KB

  • memory/2008-4-0x00000000003B0000-0x00000000003C8000-memory.dmp
    Filesize

    96KB

  • memory/2008-5-0x00000000003D0000-0x00000000003DE000-memory.dmp
    Filesize

    56KB

  • memory/2008-6-0x00000000003E0000-0x00000000003F4000-memory.dmp
    Filesize

    80KB

  • memory/2008-7-0x00000000004F0000-0x0000000000572000-memory.dmp
    Filesize

    520KB

  • memory/2008-0-0x00000000013D0000-0x0000000001486000-memory.dmp
    Filesize

    728KB

  • memory/2556-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2556-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-21-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2556-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2556-23-0x0000000074DF0000-0x00000000754DE000-memory.dmp
    Filesize

    6.9MB