Analysis

  • max time kernel
    137s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    10-07-2020 13:36

General

  • Target

    shipping invoic.pdf.exe

  • Size

    433KB

  • MD5

    2cf842fe3ba47b8dba8804bfb0bf6a2d

  • SHA1

    dc8fde935e8f186d398fe39743e4a78cc163ae04

  • SHA256

    a0fa5e8d28d67d9c239fddc6b9c859eb0ca04275b9ed043adcd9cafbebcb5600

  • SHA512

    622a3d68b9aeeefd4ddfae48cfdcdf18a9134dc13917e3d271b166e41f399346f089dbc63b9ba46547a3f3c797ba68eb2af26e4a84bc19954d9f91e506d33d33

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

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
  • Suspicious behavior: EnumeratesProcesses 3 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\shipping invoic.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping invoic.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\Temp\shipping invoic.pdf.exe
      "{path}"
      2⤵
        PID:1800
      • C:\Users\Admin\AppData\Local\Temp\shipping invoic.pdf.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1732

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1304-1-0x0000000000000000-0x0000000000000000-disk.dmp

    • memory/1732-2-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1732-3-0x0000000000446DDE-mapping.dmp

    • memory/1732-4-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1732-5-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB