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Analysis

  • max time kernel
    63s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 13:53

General

  • Target

    princex.exe

  • Size

    783KB

  • MD5

    517c56fca7092cb0e10c7daf8f67d192

  • SHA1

    f2ff50c1fbe9f62f28bfed6be2ae11a4ff6d4ea2

  • SHA256

    ead74c9cce8a3bc5dec5f0bc9f860f90fcd6791cdacce3ecd59e3e96ac0035c9

  • SHA512

    3fe9dd681b54be81fa3085a94247db01caeb4ac2a1b9dbf33167fce7ed23ab1d12b224e69b00f7dac86e90e494b692c42c0feef8c9de475e8853664dba347e97

Malware Config

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 4 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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:1108
    • 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:316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/316-0-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/316-2-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/316-3-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/316-4-0x0000000000390000-0x00000000003DC000-memory.dmp

    Filesize

    304KB

  • memory/316-5-0x0000000001F02000-0x0000000001F03000-memory.dmp

    Filesize

    4KB

  • memory/316-6-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB