Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 01:44

General

  • Target

    bedbc10299e32fd674c79bc190b7512bec1b5c94c5b4665f00aa65e0876a5c29.exe

  • Size

    3.4MB

  • MD5

    f5f811e6fb7870b544f73b1c7e1592d1

  • SHA1

    d0191c810c6fe865a303cfa5dcc91ce7b29008f5

  • SHA256

    bedbc10299e32fd674c79bc190b7512bec1b5c94c5b4665f00aa65e0876a5c29

  • SHA512

    ed36a5220140f7eea7429bdc40a4ca3d68032016783fcc468eb486b55f4d9fb49fb9d3b6b9cc91dae17cd2b8bfda818fd3381b73e87df99cc255c7e412df7fc2

  • SSDEEP

    49152:h/y6lbG5Ak3fVEdBr1OEFGwtnym/ifzKzCjLoyEkmZ9Y14X:h05Aq9ir1OEFGwtnymKLKzJAu

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    myhp6000

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    myhp6000

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Executes dropped EXE 1 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bedbc10299e32fd674c79bc190b7512bec1b5c94c5b4665f00aa65e0876a5c29.exe
    "C:\Users\Admin\AppData\Local\Temp\bedbc10299e32fd674c79bc190b7512bec1b5c94c5b4665f00aa65e0876a5c29.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\test.exe

    Filesize

    291KB

    MD5

    8ec79ad9d56c8d458febd1c69b9069d8

    SHA1

    cb048e8b78dbbcda6ab0fb7dca555d141afbd1b3

    SHA256

    3d188a0945681b28e2c289de2c82ab3a5fd7f15a94b9354b62f0808406d51b56

    SHA512

    51920be83719844f69ef2413f187c8d97b3a97713a27c1946555bf7b6f614bc13b0ee85f361631165c05f7cb4ae2abaaac3b1de65150d746aafe760ed074c4e1

  • memory/3120-4-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

    Filesize

    4KB

  • memory/3120-5-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3120-6-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3120-7-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3120-8-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

    Filesize

    4KB

  • memory/3120-9-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3120-11-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/3120-12-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4568-10-0x0000000000400000-0x0000000000760000-memory.dmp

    Filesize

    3.4MB