Analysis

  • max time kernel
    124s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    10-07-2020 10:19

General

  • Target

    hareketleriniz.exe

  • Size

    868KB

  • MD5

    2b1397ff2c5d1a76943b5d5f1faa8c3a

  • SHA1

    cd7080b7c91a173a9cd1895b65208a0dfeeeecd8

  • SHA256

    d41f9b17d11782a206549137000dc1a9267c2c7b93323e19d1146d299b08b56f

  • SHA512

    845e9d632c247fd23ae7dd86f7dfb92a9377188f22cd81a2d40454c4c2324b349fd550cef502001dcfd668a6be43a8fa1dd55a361e731b13ab76779848370061

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.calisanlarmakina.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    er35TY66

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • UPX packed file 3 IoCs

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

  • Drops startup file 1 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe
    "C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:1232
    • C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe
      "C:\Users\Admin\AppData\Local\Temp\hareketleriniz.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1256

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1232-0-0x0000000000000000-mapping.dmp

  • memory/1256-2-0x00000000004A7810-mapping.dmp

  • memory/1256-1-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1256-3-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1256-4-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1256-5-0x0000000000A10000-0x0000000000A5E000-memory.dmp

    Filesize

    312KB

  • memory/1256-6-0x0000000000A02000-0x0000000000A03000-memory.dmp

    Filesize

    4KB