Resubmissions

10-11-2024 21:28

241110-1bhk6avgrr 10

Analysis

  • max time kernel
    76s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • submitted
    10-11-2024 21:28

General

  • Target

    025a7cc996fdece05721b7ac336a6e2e614f7a76b59f0a3aff2278e374ac7b12.exe

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\025a7cc996fdece05721b7ac336a6e2e614f7a76b59f0a3aff2278e374ac7b12.exe
    "C:\Users\Admin\AppData\Local\Temp\025a7cc996fdece05721b7ac336a6e2e614f7a76b59f0a3aff2278e374ac7b12.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Users\Admin\AppData\Local\Temp\025a7cc996fdece05721b7ac336a6e2e614f7a76b59f0a3aff2278e374ac7b12.exe
      "C:\Users\Admin\AppData\Local\Temp\025a7cc996fdece05721b7ac336a6e2e614f7a76b59f0a3aff2278e374ac7b12.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2680-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

    Filesize

    4KB

  • memory/2680-1-0x0000000000AF0000-0x0000000000BC8000-memory.dmp

    Filesize

    864KB

  • memory/2680-2-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-3-0x0000000000530000-0x0000000000546000-memory.dmp

    Filesize

    88KB

  • memory/2680-4-0x00000000747CE000-0x00000000747CF000-memory.dmp

    Filesize

    4KB

  • memory/2680-5-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-6-0x00000000007E0000-0x00000000007EC000-memory.dmp

    Filesize

    48KB

  • memory/2680-7-0x0000000004790000-0x0000000004804000-memory.dmp

    Filesize

    464KB

  • memory/2680-8-0x0000000004260000-0x000000000429A000-memory.dmp

    Filesize

    232KB

  • memory/2680-25-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3040-19-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-23-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-21-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3040-15-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-24-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3040-13-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-11-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-26-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3040-9-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/3040-27-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3040-28-0x00000000747C0000-0x0000000074EAE000-memory.dmp

    Filesize

    6.9MB