Analysis

  • max time kernel
    120s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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

Credentials

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

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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:5088
    • 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:532

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/532-138-0x0000000000000000-mapping.dmp
  • memory/532-139-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/532-140-0x0000000005D90000-0x0000000005DF6000-memory.dmp
    Filesize

    408KB

  • memory/532-141-0x00000000063A0000-0x00000000063F0000-memory.dmp
    Filesize

    320KB

  • memory/5088-133-0x00000000002E0000-0x0000000000354000-memory.dmp
    Filesize

    464KB

  • memory/5088-134-0x0000000005090000-0x0000000005634000-memory.dmp
    Filesize

    5.6MB

  • memory/5088-135-0x0000000004BC0000-0x0000000004C52000-memory.dmp
    Filesize

    584KB

  • memory/5088-136-0x0000000004C60000-0x0000000004C6A000-memory.dmp
    Filesize

    40KB

  • memory/5088-137-0x0000000008A40000-0x0000000008ADC000-memory.dmp
    Filesize

    624KB