Overview

overview

10

Static

static

comeINV0007576.exe

windows7_x64

10

comeINV0007576.exe

windows10_x64

1

Analysis

  • max time kernel
    147s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31/07/2020, 12:07

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General

  • Target
    comeINV0007576.exe
  • Size 1000KB
  • Sample200731-rnvtjs2rhn
  • SHA256 b7d226784dbf8f2a77af4b279116c799e50e20c99154baed7bfac4c91d5c9b2c
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.konchilakis.gr
  • Port

    587
  • Username

    [email protected]
  • Password

    Tiger@456

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\comeINV0007576.exe
    "C:\Users\Admin\AppData\Local\Temp\comeINV0007576.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v system32 /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
        3⤵
        • Adds Run key to start application
        PID:1880
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
        "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1400

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1400-14-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1400-17-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1400-18-0x0000000000400000-0x000000000044C000-memory.dmp
        Download