Overview

overview

10

Static

static

fa6ae0c78e...52.exe

windows7_x64

10

fa6ae0c78e...52.exe

windows10_x64

10

Analysis

  • max time kernel
    77s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08/09/2020, 07:37

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General

  • Target
    fa6ae0c78ecfb892223e541ce4069f52.exe
  • Size 815KB
  • Sample200908-6mwkxss3ln
  • SHA256 a2c5f74931c1d6871db672270876c1cc80bc90d4b4bca32355b95e762d30e246
  • MD5 SHA1 SHA512
Score
10/10
upxkeyloggerstealerpersistencespywaretrojanagenttesla

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    bh-58.webhostbox.net
  • Port

    587
  • Username

    [email protected]
  • Password

    7213575aceACE@#$

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 5 IoCs
    keyloggerstealer
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa6ae0c78ecfb892223e541ce4069f52.exe
    "C:\Users\Admin\AppData\Local\Temp\fa6ae0c78ecfb892223e541ce4069f52.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Users\Admin\AppData\Local\Temp\fa6ae0c78ecfb892223e541ce4069f52.exe
      "C:\Users\Admin\AppData\Local\Temp\fa6ae0c78ecfb892223e541ce4069f52.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1144
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1168

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1144-1-0x0000000000400000-0x00000000004C0000-memory.dmp
        Download

        memory/1144-3-0x0000000000400000-0x00000000004C0000-memory.dmp
        Download

        memory/1144-4-0x0000000000400000-0x00000000004C0000-memory.dmp
        Download

        memory/1144-5-0x00000000007C0000-0x000000000081A000-memory.dmp
        Download

        memory/1144-6-0x0000000002512000-0x0000000002513000-memory.dmp
        Download

        memory/3832-0-0x0000000000400000-0x00000000004D2000-memory.dmp
        Download