Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    12-07-2020 08:08

General

  • Target

    REV- PI 1696195.exe

  • Size

    386KB

  • MD5

    098b98588b0faa853692e46398be8f28

  • SHA1

    24cc7fed9be45c81c3d01f49e5951ef04cbfe0f9

  • SHA256

    476da428009c5570ace1ede955e7b11337e173eac8cb987c154e2be24468306f

  • SHA512

    076fc393a4fe0bba02ed0357b5c0e9bcbc8d3e56a089ac9a34e3c7627b8c08577380a7e2acc9316dae20f98b00a2b838775556b1686be0111fae0458823718b9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.usamilitarydept.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qqkgpIN2

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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
    "C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUNKpEC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88BE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:532
    • C:\Users\Admin\AppData\Local\Temp\REV- PI 1696195.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/732-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/732-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/732-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB