Analysis

  • max time kernel
    130s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 13:07

General

  • Target

    Proforma Invoice.exe

  • Size

    452KB

  • MD5

    74adf498c96c634627cc0a4e6fe08710

  • SHA1

    46c86e64e6d92f475ba1b04fbde7a67aeeccf7cb

  • SHA256

    4f975bf5421b35152c4408ad831df3d1bac81e684ad15bd1e3209a987cf9c01a

  • SHA512

    750e99195dee7a7327af30732655e449858a83bdaf8f91cb7f3a3b226186e78b315145d7953e9646f3dbd6692abe21abde6b03027d4b3207d122a8e4ed4719ae

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikem123456789

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1428

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1428-0-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1428-3-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/1428-2-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB