Analysis

  • max time kernel
    73s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 05:53

General

  • Target

    40m9xBIQSXs8owP.exe

  • Size

    737KB

  • MD5

    bd0ed34192d7ffd878ee4b12f8959b7f

  • SHA1

    5fd9d5265265c51bd2479d0d6b0e091d781a8b01

  • SHA256

    c8bfc4f69bf05fb34da25259cf0fe100b8311b8500c2cac5d4e08063698c291f

  • SHA512

    63151f41ca02a43a1d210f58dc9c9a1c485e12524267c452b677d4d69670001122589fa1bf824155d5a4617491449d00946f8444e2630c0a73e9ac3156279a98

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mehatinfo.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %tX~,JZfRhAe

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\40m9xBIQSXs8owP.exe
    "C:\Users\Admin\AppData\Local\Temp\40m9xBIQSXs8owP.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:672
    • C:\Users\Admin\AppData\Local\Temp\40m9xBIQSXs8owP.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/748-0-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/748-1-0x0000000000446E5E-mapping.dmp

  • memory/748-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/748-3-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB