Analysis

  • max time kernel
    135s
  • max time network
    92s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    13-07-2020 06:35

General

  • Target

    499597555186a64649cb00639bad6844.exe

  • Size

    321KB

  • MD5

    499597555186a64649cb00639bad6844

  • SHA1

    8387d4da6e3b5d64da526e12be324dd866db82b1

  • SHA256

    64fdec834bb254bc6e8061d9b2f1109741d2647caf6be88b11634b8dd4e6f209

  • SHA512

    a8d53922d44d386e85fc93e105c755cb8f9fbf26a7ac2c0e620935888b6d6d093f1f1160aa769847d95812e4d57d0899468ed1e8f37afdadd631e58d40fabd1a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mangero.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mangero.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\499597555186a64649cb00639bad6844.exe
    "C:\Users\Admin\AppData\Local\Temp\499597555186a64649cb00639bad6844.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\499597555186a64649cb00639bad6844.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2768
  • C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
    1⤵
      PID:1500

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\499597555186a64649cb00639bad6844.exe.log
      MD5

      c33b4293a0023b388d1a816aba4901f1

      SHA1

      a793fe7d4694457873aa26a454a5d4b0207d7d54

      SHA256

      5b4a63ea1ce7cc18eb1be775ffb52b342bb678f265c88d4518d8e1fe44a55234

      SHA512

      d04308b55218a71bd09562de76a8030e6327fb0143695e01cb25fb5ad6a9b3715425e4782dc5d27b0aaaf0d71048f0886099df6ce87e29e796abe3727fd1ba53

    • memory/2768-0-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2768-1-0x000000000044736E-mapping.dmp