Analysis

  • max time kernel
    136s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    16-04-2021 19:39

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 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 use of WriteProcessMemory
    PID:1084
    • 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:1692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1084-60-0x0000000001230000-0x0000000001231000-memory.dmp

    Filesize

    4KB

  • memory/1084-62-0x0000000000C00000-0x0000000000C01000-memory.dmp

    Filesize

    4KB

  • memory/1084-63-0x0000000000580000-0x0000000000585000-memory.dmp

    Filesize

    20KB

  • memory/1084-64-0x0000000007E10000-0x0000000007E8A000-memory.dmp

    Filesize

    488KB

  • memory/1084-65-0x0000000000D10000-0x0000000000D48000-memory.dmp

    Filesize

    224KB

  • memory/1692-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1692-67-0x000000000043762E-mapping.dmp

  • memory/1692-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1692-70-0x00000000011E0000-0x00000000011E1000-memory.dmp

    Filesize

    4KB

  • memory/1692-71-0x00000000011E1000-0x00000000011E2000-memory.dmp

    Filesize

    4KB