Analysis

  • max time kernel
    77s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 07:32

General

  • Target

    44121c6dc43f3b42ee63ac3ed9c848bf.exe

  • Size

    412KB

  • MD5

    44121c6dc43f3b42ee63ac3ed9c848bf

  • SHA1

    27e5d04bbffe02b659925a26c915d2561819673a

  • SHA256

    36a4fd77ff4983b39b278c7ddc0279e7f05d81ee965b53cb31a0512af61f8fca

  • SHA512

    1b2a35aea126d67e8e6314628c51c824a4481b90347a39962f7401d4a6fa7a312d7898d98c786cc27c99f7be1ebf9c9d0a0f68a6273687858075170e5175be5d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    bh-58.webhostbox.net
  • 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
  • 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\44121c6dc43f3b42ee63ac3ed9c848bf.exe
    "C:\Users\Admin\AppData\Local\Temp\44121c6dc43f3b42ee63ac3ed9c848bf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\44121c6dc43f3b42ee63ac3ed9c848bf.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/112-3-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/112-4-0x000000000044741E-mapping.dmp

  • memory/112-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/112-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB