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Analysis

  • max time kernel
    82s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07/07/2020, 13:53

General

  • Target

    princex.exe

  • Size

    783KB

  • MD5

    517c56fca7092cb0e10c7daf8f67d192

  • SHA1

    f2ff50c1fbe9f62f28bfed6be2ae11a4ff6d4ea2

  • SHA256

    ead74c9cce8a3bc5dec5f0bc9f860f90fcd6791cdacce3ecd59e3e96ac0035c9

  • SHA512

    3fe9dd681b54be81fa3085a94247db01caeb4ac2a1b9dbf33167fce7ed23ab1d12b224e69b00f7dac86e90e494b692c42c0feef8c9de475e8853664dba347e97

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:3788
    • 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:3892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3892-0-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3892-2-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3892-3-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3892-4-0x0000000002150000-0x000000000219C000-memory.dmp

    Filesize

    304KB

  • memory/3892-5-0x0000000002262000-0x0000000002263000-memory.dmp

    Filesize

    4KB