Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09-07-2020 13:53

General

  • Target

    princex.exe

  • Size

    925KB

  • MD5

    2121dbe8a73e96250eabdfaa102b43eb

  • SHA1

    fe4f449016a6c8fc0e3517d40dd5d7b4b68ae42f

  • SHA256

    934982623de62355613d2c7e8f8d1edee0a5db84c99636fb9ee543e7cfc6a079

  • SHA512

    00bbc2cb1f9f502c3c40a0ba76557c5d394c36d9d9879db8db8d7a156cdb0827dfb760fc54bf01fc7a5de5b5b2a5176d739d2bb4489d43aed0ff7daed41e5b87

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mangero.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mangero.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\princex.exe
    "C:\Users\Admin\AppData\Local\Temp\princex.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\princex.exe
      "C:\Users\Admin\AppData\Local\Temp\princex.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3976-0-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3976-2-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3976-3-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3976-4-0x00000000009B0000-0x00000000009FC000-memory.dmp

    Filesize

    304KB

  • memory/3976-5-0x0000000002312000-0x0000000002313000-memory.dmp

    Filesize

    4KB