Analysis

  • max time kernel
    64s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:43

General

  • Target

    Inquiry 8700.exe

  • Size

    515KB

  • MD5

    8d1958f3ff1bd3cb56b6c9e6e0d75c4a

  • SHA1

    596a1a28554786ce343e9ea0aaa69a76bc28d8e2

  • SHA256

    7b01e7eaa276275cb58f890900e7852f59be59905804ecae7d0011a58c8ca2fa

  • SHA512

    9835fe7298aa1c567aee2855ccb8aafe393c7933af06346d55e441db423b891982c5aa244c56263452832e52de59c3d926db5c27dbcc73b35861e7cab78f2eee

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    johnsonpikyu@yandex.com
  • Password:
    cr*fDaW&m@2y6u

Signatures

  • AgentTesla

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

  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry 8700.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry 8700.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4636

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

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Downloads