Analysis

  • max time kernel
    146s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20-04-2021 19:44

General

  • Target

    HCM - JACKSONVILLE, FL.exe

  • Size

    1.1MB

  • MD5

    74bd64c0ec695f0f8177b08bd961c2db

  • SHA1

    a0df1a7e20933db43bdd8b44ffcfe466fbebdec0

  • SHA256

    cd04b35e2ed6848898fb8a61a027f9546ac28413012a48c428ce76d36312de43

  • SHA512

    1f659e11081ae83c252e5dd4cf761bb4e76a8ce2ad650982ed650dc6fc9227c6c798c74e2c0c91edd05a037f1ba8c1016148cc43b770005d76895b02f8b3b27a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.framafilms.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lister11

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HCM - JACKSONVILLE, FL.exe
    "C:\Users\Admin\AppData\Local\Temp\HCM - JACKSONVILLE, FL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\HCM - JACKSONVILLE, FL.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/320-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/320-67-0x000000000043760E-mapping.dmp

  • memory/320-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/320-70-0x0000000004C70000-0x0000000004C71000-memory.dmp

    Filesize

    4KB

  • memory/320-71-0x0000000004C71000-0x0000000004C72000-memory.dmp

    Filesize

    4KB

  • memory/1020-60-0x0000000000C40000-0x0000000000C41000-memory.dmp

    Filesize

    4KB

  • memory/1020-62-0x00000000041D0000-0x00000000041D1000-memory.dmp

    Filesize

    4KB

  • memory/1020-63-0x00000000002F0000-0x00000000002F5000-memory.dmp

    Filesize

    20KB

  • memory/1020-64-0x000000000A510000-0x000000000A5C1000-memory.dmp

    Filesize

    708KB

  • memory/1020-65-0x00000000048F0000-0x000000000495F000-memory.dmp

    Filesize

    444KB