Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-09-2024 08:15

General

  • Target

    PAYMENT 00251,8301,66329.exe

  • Size

    77.0MB

  • MD5

    54d5035f6e0651a42081bbf94c992575

  • SHA1

    356a2631c588d5b5bc67999a0c3ea5f9233af4b2

  • SHA256

    dcc7a889e4a2b801932f6389e657c4d3c6c3974af4044801ab68379cc2b600e0

  • SHA512

    f6f3ff19c338b9a7ae00f0b1fc01c9f995a659088ec49bafacb503b4ffe8964eb03795a6cde61dd645a727edac20deabdcf5534ba4b876de74c68bfa9b454a48

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCOnJQmut27bcalIZhgQAx:7JZoQrbTFZY1iaCOnJButijlIKx

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flujoauditorias.cl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    l;0jGu7J;z_a

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAYMENT 00251,8301,66329.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT 00251,8301,66329.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT 00251,8301,66329.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3808-3-0x0000000000760000-0x00000000007A2000-memory.dmp

    Filesize

    264KB

  • memory/3808-4-0x000000007389E000-0x000000007389F000-memory.dmp

    Filesize

    4KB

  • memory/3808-5-0x00000000051A0000-0x000000000569E000-memory.dmp

    Filesize

    5.0MB

  • memory/3808-6-0x0000000004C20000-0x0000000004C86000-memory.dmp

    Filesize

    408KB

  • memory/3808-7-0x0000000073890000-0x0000000073F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3808-8-0x0000000005E00000-0x0000000005E50000-memory.dmp

    Filesize

    320KB

  • memory/3808-9-0x0000000005EF0000-0x0000000005F8C000-memory.dmp

    Filesize

    624KB

  • memory/3808-10-0x0000000006130000-0x00000000061C2000-memory.dmp

    Filesize

    584KB

  • memory/3808-11-0x00000000060D0000-0x00000000060DA000-memory.dmp

    Filesize

    40KB

  • memory/3808-12-0x000000007389E000-0x000000007389F000-memory.dmp

    Filesize

    4KB

  • memory/3808-13-0x0000000073890000-0x0000000073F7E000-memory.dmp

    Filesize

    6.9MB

  • memory/4424-2-0x0000000004560000-0x0000000004960000-memory.dmp

    Filesize

    4.0MB