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Analysis

  • max time kernel
    147s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13/07/2020, 06:23

General

  • Target

    nova narud#U017eba.exe

  • Size

    321KB

  • MD5

    a35772d14e29eff85dcd2d5fc74ab08c

  • SHA1

    b1b5f8f29619273be7e5ea1fc360bd5634f8fb13

  • SHA256

    6ce07f9854b3d9f983265569f34a640a9f274c1bfd30fcba4b6bb64c957ecc54

  • SHA512

    24a531f25744ce69269fec48b13337c3711f65d16b989369780cfe609a25cbce86c6a9d8df5b678c0688ad62a7d6ca2dc61c66865f2c44dce85a89da5d2db46e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chosen@@@123

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\nova narud#U017eba.exe
    "C:\Users\Admin\AppData\Local\Temp\nova narud#U017eba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KgxstIyLLXcOg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36F7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1784
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1824-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1824-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1824-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB