Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    10-07-2020 13:30

General

  • Target

    PO 003217.jar.exe

  • Size

    833KB

  • MD5

    b2bf9a2231058ccce482b86f0ca2293c

  • SHA1

    5c8eadeba17e779e327605c364351d60cb4dafbd

  • SHA256

    91e462bedfc07bf6a3ef8d29aa240925cb9a31335c090bc92c0f5672307b72ee

  • SHA512

    428c4722320f7b098f7e14d06ee0aa2360a813a7426badcdff4642eab8f59ed74518313c0f495114e6b4337e16e91dfd4bc1542c8f67cf53a322bb6883b03562

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hope2020

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 003217.jar.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 003217.jar.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:2944
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:1968
    • C:\Users\Admin\AppData\Local\Temp\PO 003217.jar.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 003217.jar.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Adds Run entry to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:3108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1968-0-0x0000000000000000-mapping.dmp

  • memory/3108-1-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/3108-2-0x00000000004AEEF0-mapping.dmp

  • memory/3108-3-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/3108-4-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/3108-5-0x00000000007D0000-0x0000000000822000-memory.dmp

    Filesize

    328KB

  • memory/3108-6-0x00000000023C2000-0x00000000023C3000-memory.dmp

    Filesize

    4KB