Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 01:11

General

  • Target

    combrobante_swift_y8675645343123546576879809765434233567890.bat.exe

  • Size

    30.0MB

  • MD5

    8c737e5f3bd149ec9918a2afdb0a465e

  • SHA1

    78ab6987108fdf2eeda4f7e7772d896892b8db94

  • SHA256

    39dcde536f668f5bcf6fd349426fa8297acd67e66217c1ed9faf3cdeec69173a

  • SHA512

    f5b0abdd89b551e6e4f13eb2393a8b7c8370dddcded2e869d52e4aef7e8b43eb4761478ab503eeb277d908a71d451422eae9d3d7ab3ed4b5510e8e05733e6f85

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCXSiBPiVsOE4HnrKuKd:7JZoQrbTFZY1iaCHaBE4Huuw

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.solucionesmexico.mx
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    dGG^ZYIxX5!B

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\combrobante_swift_y8675645343123546576879809765434233567890.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\combrobante_swift_y8675645343123546576879809765434233567890.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\combrobante_swift_y8675645343123546576879809765434233567890.bat.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1540-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1540-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

    Filesize

    4KB

  • memory/1540-5-0x00000000055C0000-0x0000000005B64000-memory.dmp

    Filesize

    5.6MB

  • memory/1540-6-0x0000000005080000-0x00000000050E6000-memory.dmp

    Filesize

    408KB

  • memory/1540-7-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/1540-8-0x0000000006380000-0x00000000063D0000-memory.dmp

    Filesize

    320KB

  • memory/1540-9-0x0000000006470000-0x0000000006502000-memory.dmp

    Filesize

    584KB

  • memory/1540-10-0x0000000006400000-0x000000000640A000-memory.dmp

    Filesize

    40KB

  • memory/1540-11-0x00000000748BE000-0x00000000748BF000-memory.dmp

    Filesize

    4KB

  • memory/1540-12-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/3428-2-0x0000000004110000-0x0000000004310000-memory.dmp

    Filesize

    2.0MB