Analysis

  • max time kernel
    120s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:55

General

  • Target

    Shipping Documents.exe

  • Size

    425KB

  • MD5

    9def0c53033f12c2c2d5bc429fcfa887

  • SHA1

    38172df5f24838ea85074eec4194d8f6a67d591d

  • SHA256

    48c961dc9ce3260ac71aedb77eb999606e804d7563d6877d26c12f7cb57860d3

  • SHA512

    03264ba3e4fb97c5f94fd42f8ea153e7b85805f4ab5bff1c0d9ff9e8980a3ab4edc4f8479a81d99b0a039a4a079831a73d58ea90d0a3f51351d9d802035220c2

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikechukwu112

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ikechukwu112

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
      "{path}"
      2⤵
        PID:1004
      • C:\Users\Admin\AppData\Local\Temp\Shipping Documents.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:2688

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1004-131-0x0000000000000000-mapping.dmp

    • memory/2688-132-0x0000000000000000-mapping.dmp

    • memory/2688-133-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2688-134-0x00000000751E0000-0x0000000075791000-memory.dmp

      Filesize

      5.7MB

    • memory/4240-130-0x00000000751E0000-0x0000000075791000-memory.dmp

      Filesize

      5.7MB