Analysis

  • max time kernel
    145s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:41

General

  • Target

    Αντίγραφο απόδειξης 08.31.2020.exe

  • Size

    517KB

  • MD5

    bfd777e5010d93c1dcd73bf3113cf40f

  • SHA1

    82cb91a0d24069b46f4d6cef70bb8dccecd97e1f

  • SHA256

    ae4f4655a1ce9b6f4e9248e6b349d1f5028c20fbdf92b1ca2d824338444e66b0

  • SHA512

    7cbfd1a62a99c0f33a6d7d3906e035a482b0dfc8a449a4e4ce928c33ce3f12bd4ec3e71ae6ec1d5a89ce232413f931c1eacf395c515d570ed510ce82a23a3b96

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mlibano.com.br
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    libano@2017

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Αντίγραφο απόδειξης 08.31.2020.exe
    "C:\Users\Admin\AppData\Local\Temp\Αντίγραφο απόδειξης 08.31.2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\Αντίγραφο απόδειξης 08.31.2020.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3300-130-0x0000000000B00000-0x0000000000B88000-memory.dmp

    Filesize

    544KB

  • memory/3300-131-0x0000000005BA0000-0x0000000006144000-memory.dmp

    Filesize

    5.6MB

  • memory/3300-132-0x0000000005520000-0x00000000055B2000-memory.dmp

    Filesize

    584KB

  • memory/3300-133-0x00000000063F0000-0x000000000648C000-memory.dmp

    Filesize

    624KB

  • memory/4960-134-0x0000000000000000-mapping.dmp

  • memory/4960-135-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/4960-136-0x00000000063D0000-0x0000000006436000-memory.dmp

    Filesize

    408KB

  • memory/4960-137-0x00000000069B0000-0x00000000069BA000-memory.dmp

    Filesize

    40KB