Analysis

  • max time kernel
    146s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 04:19

General

  • Target

    CATALOGO RMK TRADING LTD_PDF.exe

  • Size

    435KB

  • MD5

    92798d1fc4b253402582c8a0048a14e2

  • SHA1

    0ddcd0eead7d1914fd001cb3c3af6801610f0cc7

  • SHA256

    9fd94b88b54bbf55abf870ce5e97195aee7b4424e772ea426c431c0c57917226

  • SHA512

    d146bbfae33f6917345d22ce6ed5bbd3e4b00647e2c16978dfa939c10e3389e8458717c95f359c543d593ca4226ce178c7a9a147f4d3a66dfaadfa73fb82cc0f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    princesky212

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CATALOGO RMK TRADING LTD_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CATALOGO RMK TRADING LTD_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\CATALOGO RMK TRADING LTD_PDF.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1704

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1580-54-0x0000000000EE0000-0x0000000000F54000-memory.dmp
    Filesize

    464KB

  • memory/1580-55-0x0000000076811000-0x0000000076813000-memory.dmp
    Filesize

    8KB

  • memory/1580-56-0x00000000006C0000-0x00000000006D0000-memory.dmp
    Filesize

    64KB

  • memory/1580-57-0x0000000000DF0000-0x0000000000E44000-memory.dmp
    Filesize

    336KB

  • memory/1704-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-64-0x000000000044653E-mapping.dmp
  • memory/1704-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1704-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB