Analysis

  • max time kernel
    125s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:13

General

  • Target

    Compact Substation Schematic Diagram.pdf.exe

  • Size

    671KB

  • MD5

    22534e74fe59355654542d03485f4e43

  • SHA1

    145da00e198a15b32935e4d66caaf42ce40cec4e

  • SHA256

    dfe001ed1950d612ea59a75c6367629ff0e031853e9f7a12b7f0381a4f20660f

  • SHA512

    d619ac7b2fc4de2c41edb3f7f056342253802c10219240dd8ccd71fe3b0da4f3840690216f444aed380ee88db867a5718a4c606f8c2cd786b76ac69141ef27b0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    castor123@

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\Compact Substation Schematic Diagram.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Compact Substation Schematic Diagram.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\Compact Substation Schematic Diagram.pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1424-64-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-59-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-60-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-62-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-63-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-65-0x0000000000460AAE-mapping.dmp

  • memory/1424-67-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1424-69-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1684-55-0x0000000074F91000-0x0000000074F93000-memory.dmp

    Filesize

    8KB

  • memory/1684-56-0x0000000000320000-0x000000000032A000-memory.dmp

    Filesize

    40KB

  • memory/1684-57-0x00000000056E0000-0x0000000005780000-memory.dmp

    Filesize

    640KB

  • memory/1684-58-0x0000000005610000-0x00000000056A0000-memory.dmp

    Filesize

    576KB

  • memory/1684-54-0x0000000000340000-0x00000000003EE000-memory.dmp

    Filesize

    696KB