Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 08:12

General

  • Target
    quotation.exe
  • Size 1.1MB
  • Sample260415-j321facv5z
  • SHA256 d2905e367942c6409ddde8fd54c857d68e34e61927f2c617fa1693713dbd4ca4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.crescentegramas.com.br

  • Port

    21

  • Password

    Virus56@@

Signatures

  • Family: AgentTesla

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

  • 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
  • Program crash 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation.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:5016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\quotation.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 760
      2⤵
      • Program crash
      PID:3936
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5016 -ip 5016
    1⤵
      PID:4868

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2344-10-0x00000000001B0000-0x00000000001F2000-memory.dmp

          memory/2344-11-0x0000000005290000-0x0000000005836000-memory.dmp

          memory/2344-12-0x0000000004C80000-0x0000000004C90000-memory.dmp

          memory/2344-13-0x0000000004E50000-0x0000000004EB6000-memory.dmp

          memory/2344-14-0x0000000006110000-0x00000000061A2000-memory.dmp

          memory/2344-15-0x00000000061B0000-0x0000000006200000-memory.dmp

          memory/2344-16-0x0000000006100000-0x000000000610A000-memory.dmp

          memory/2344-18-0x0000000004C80000-0x0000000004C90000-memory.dmp

          memory/2344-17-0x0000000004B70000-0x0000000004C5A000-memory.dmp

          memory/5016-9-0x0000000003F20000-0x0000000003F24000-memory.dmp