Analysis

  • max time kernel
    144s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-04-2021 19:38

General

  • Target

    SOA.pdf'.exe

  • Size

    771KB

  • MD5

    603f42dcb85fbd19933316cf1b6bedd4

  • SHA1

    33c38e2625cb5f44fcc1c44beec75db09718ce10

  • SHA256

    276144fa4171733571ff6940ef10a3bb603028c99c51093d074f6cda0d65afda

  • SHA512

    14fe5a280a055355e2a11eda7fd1e36392a50632bd4779e9651a7f161dd6f4f10c2f150b977ed80a6bd88c542df0aec5a8c57193e9d80459b961f6343c0274d6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lallyautomobiles.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Welcome@2021

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe
      "{path}"
      2⤵
        PID:664
      • C:\Users\Admin\AppData\Local\Temp\SOA.pdf'.exe
        "{path}"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:332

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/332-66-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/332-67-0x000000000043762E-mapping.dmp

    • memory/332-68-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/332-70-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

    • memory/332-71-0x0000000000671000-0x0000000000672000-memory.dmp

      Filesize

      4KB

    • memory/784-60-0x0000000000050000-0x0000000000051000-memory.dmp

      Filesize

      4KB

    • memory/784-62-0x0000000004D80000-0x0000000004D81000-memory.dmp

      Filesize

      4KB

    • memory/784-63-0x0000000000700000-0x0000000000705000-memory.dmp

      Filesize

      20KB

    • memory/784-64-0x0000000005AA0000-0x0000000005B1A000-memory.dmp

      Filesize

      488KB

    • memory/784-65-0x0000000004260000-0x0000000004298000-memory.dmp

      Filesize

      224KB