Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03-09-2024 00:58

General

  • Target

    Cotizacion actual REF20240829000010 PDF.exe

  • Size

    1.0MB

  • MD5

    6f19de2a65a02fd4d1fefc385ca5e57a

  • SHA1

    a0daaf9c5671344226e800d43b584499fd44406f

  • SHA256

    1d10b345a34d808d4f18c868435b130d3e4a61d8281af7fbcec02fdaee43e528

  • SHA512

    3e00c3b1f5214a6f79552f920fd89527214261a02306932fe50943fbf9d441959ba08b3214991cc8e68e291bf6f6dd02fd490fe719e7eb0b688350bf54bb49a6

  • SSDEEP

    12288:Htb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaVTHssJP6sHSxEN6raB9:Htb20pkaCqT5TBWgNQ7aBl+aB0QB6A

Malware Config

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
  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cotizacion actual REF20240829000010 PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Cotizacion actual REF20240829000010 PDF.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:2900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Cotizacion actual REF20240829000010 PDF.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2892-12-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/2892-18-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/2892-21-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/2892-14-0x0000000000090000-0x00000000000D2000-memory.dmp

    Filesize

    264KB

  • memory/2892-22-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

    Filesize

    4KB

  • memory/2892-23-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-24-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

    Filesize

    4KB

  • memory/2892-25-0x0000000073F30000-0x000000007461E000-memory.dmp

    Filesize

    6.9MB

  • memory/2900-11-0x0000000000AB0000-0x0000000000AB4000-memory.dmp

    Filesize

    16KB