Analysis

  • max time kernel
    77s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 14:09

General

  • Target

    Payment Swift Copy.pdf.exe

  • Size

    506KB

  • MD5

    fffcd19c2a318ab203bae142dcb2f7ca

  • SHA1

    9ffa3039d89111b8d8634b32a0bd0b0791cf62cd

  • SHA256

    a2c2b1b1970a1c77c3aa857fb84b66a91ea8b3866bf2ee2f1c80cb4e3ee93eef

  • SHA512

    5ef2dc3420300ecbed1c1f0adc163aea8cf4c1ea668ee5d335fdf4b80fb1920cbad1d4f93f5eabc78f6d53ef19c8ad2c11904dfaa14fa450dd651184f0db4bf4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\Payment Swift Copy.pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1476

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1476-0-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1476-1-0x0000000000446DDE-mapping.dmp

  • memory/1476-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1476-3-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB