Analysis

  • max time kernel
    89s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    10/07/2020, 16:38

General

  • Target

    Products Order.exe

  • Size

    434KB

  • MD5

    e8e24888a8f624e2c25fce52a77fcbed

  • SHA1

    7d172fb3408e0b1553426f20754eeee60b1359a5

  • SHA256

    bc69bdca3ab5100f73cc0f604137dd85411ae8e457a9fcee7cfecf356eb9371f

  • SHA512

    0cbad95a957568c95d1b2cde7410666ad6f89e09fe41585f5768ab420f5d86b17bfaa099ff486f41c7b9644b0b890e71d6b0c4f453ba7b0a845cc846798300f6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rezuit.pro
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chukwuma22

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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Products Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Products Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tkWWUwZSAItyv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDAF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1860
    • C:\Users\Admin\AppData\Local\Temp\Products Order.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1884-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1884-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1884-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB