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Analysis

  • max time kernel
    147s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    08/07/2020, 10:10

General

  • Target

    Quotation.exe

  • Size

    431KB

  • MD5

    deceda9833ced5d4a565385fd60ce0aa

  • SHA1

    29f9ae1c605d753e1ffcd156b17d4907849f8079

  • SHA256

    4e4f9a06f2544bb63460caaf2aeb35875d71c2c644060a12b8bb28bbf878eb61

  • SHA512

    411e9b584e9be4c8ad0a70c9cb613925ce3fb5ddc45ae31ea09adff919b983b1237b461fe12465081850eb83810d3539b98a6c3641c197787bf837807d9081f3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mexicanproduct.com.mx
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Produccion2020.

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OyGeqxcCKQGZk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB309.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1060
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1532-2-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1532-4-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1532-5-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB