Analysis

  • max time kernel
    116s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:35

General

  • Target

    4a0384c09149fa03c20cb45ac1d5175e9ac750826fab1e4f4fd8a5c16a0d958e.exe

  • Size

    454KB

  • MD5

    02bd38abfe6c9e8c842308bef8ae82a8

  • SHA1

    9ccff3a42fc8d175c3bfe3c965a5813ffa888923

  • SHA256

    4a0384c09149fa03c20cb45ac1d5175e9ac750826fab1e4f4fd8a5c16a0d958e

  • SHA512

    4542b78346d0dd836c95f22765531a3304bd604fdb7408ddd3c03e5da4bb14ecdf8e948e7f837b8d0e9d51cc6362fd8c9fe3de90521e3afd3a198547aa5507d4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.panaeshacapital.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Computer55

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.panaeshacapital.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Computer55

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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\4a0384c09149fa03c20cb45ac1d5175e9ac750826fab1e4f4fd8a5c16a0d958e.exe
    "C:\Users\Admin\AppData\Local\Temp\4a0384c09149fa03c20cb45ac1d5175e9ac750826fab1e4f4fd8a5c16a0d958e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Admin\AppData\Local\Temp\4a0384c09149fa03c20cb45ac1d5175e9ac750826fab1e4f4fd8a5c16a0d958e.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:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1324-131-0x0000000000000000-mapping.dmp
  • memory/1324-132-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1324-133-0x00000000746F0000-0x0000000074CA1000-memory.dmp
    Filesize

    5.7MB

  • memory/4912-130-0x00000000746F0000-0x0000000074CA1000-memory.dmp
    Filesize

    5.7MB