Analysis

  • max time kernel
    112s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 06:34

General

  • Target

    TT_copy.exe

  • Size

    561KB

  • MD5

    3596dca21b1e41c2cd233d18195cea13

  • SHA1

    7e58382e71064bd5d7ecac40b0e6a3b95d32d5cc

  • SHA256

    441efa986321eb0bdac9d133478f98a11dea6ff3a85af1c9c145a6049cb33cb6

  • SHA512

    f8b645a7a68ab1f491afd0483447a0731ae79bb85999f421cee46a7c5de50fd53e48a3b50936303b809edaa70a773e7431bed0731527dbcc79c2fa3e2dac7939

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mdist.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Receiving#4321

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT_copy.exe
    "C:\Users\Admin\AppData\Local\Temp\TT_copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1572

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1080-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1080-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1080-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB