Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13/10/2020, 13:28

General

  • Target
    Quote__ROE-127488.exe
  • Size 573KB
  • Sample201013-m57ccn67tn
  • SHA256 046fd8e4a205a247d179395dd6ee877378bb4afa552ae98cfa5afd5c323b680e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    INfinity12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote__ROE-127488.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote__ROE-127488.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1744

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/732-3-0x0000000002580000-0x00000000025B7000-memory.dmp

        memory/732-6-0x0000000004C80000-0x0000000004C81000-memory.dmp

        memory/732-4-0x0000000005000000-0x0000000005001000-memory.dmp

        memory/732-8-0x00000000059C0000-0x00000000059D6000-memory.dmp

        memory/732-0-0x0000000073D30000-0x000000007441E000-memory.dmp

        memory/732-1-0x0000000000160000-0x0000000000161000-memory.dmp

        memory/732-5-0x0000000004B90000-0x0000000004B91000-memory.dmp

        memory/1744-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1744-14-0x0000000073D30000-0x000000007441E000-memory.dmp

        memory/1744-18-0x00000000056E0000-0x00000000056E1000-memory.dmp

        memory/1744-19-0x0000000005670000-0x0000000005671000-memory.dmp

        memory/1744-20-0x00000000061E0000-0x00000000061E1000-memory.dmp

        memory/1744-22-0x0000000006640000-0x0000000006641000-memory.dmp