Analysis

  • max time kernel
    93s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/06/2024, 01:14

General

  • Target
    b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe
  • Size 656KB
  • Sample240617-blxqdsxdnc
  • SHA256 b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.midhcodistribuciones.com

  • Port

    21

  • Password

    ,A7}+JV4KExQ

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.midhcodistribuciones.com

  • Port

    21

  • Password

    ,A7}+JV4KExQ

Signatures

  • AgentTesla

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

  • 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 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe
    "C:\Users\Admin\AppData\Local\Temp\b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Users\Admin\AppData\Local\Temp\b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe
      "C:\Users\Admin\AppData\Local\Temp\b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3216

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b8c81808e93351d18459cd2811bfcc52857914d604aa9a6eafdd23ca0b8c64fc.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3216-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3216-18-0x0000000074BD0000-0x0000000075380000-memory.dmp

        memory/3216-17-0x00000000064A0000-0x00000000064F0000-memory.dmp

        memory/3216-16-0x0000000074BD0000-0x0000000075380000-memory.dmp

        memory/3216-15-0x0000000004DE0000-0x0000000004E46000-memory.dmp

        memory/3216-13-0x0000000074BD0000-0x0000000075380000-memory.dmp

        memory/4660-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

        memory/4660-8-0x0000000006390000-0x0000000006412000-memory.dmp

        memory/4660-9-0x00000000089D0000-0x0000000008A6C000-memory.dmp

        memory/4660-7-0x00000000051B0000-0x00000000051C0000-memory.dmp

        memory/4660-6-0x0000000006370000-0x000000000638A000-memory.dmp

        memory/4660-5-0x0000000074BD0000-0x0000000075380000-memory.dmp

        memory/4660-14-0x0000000074BD0000-0x0000000075380000-memory.dmp

        memory/4660-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

        memory/4660-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

        memory/4660-2-0x00000000051C0000-0x0000000005764000-memory.dmp

        memory/4660-1-0x00000000003C0000-0x000000000046A000-memory.dmp