Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 13:14

General

  • Target

    ego.exe

  • Size

    1.1MB

  • MD5

    0a81ce0a1b317625cc55e2f68bef7b94

  • SHA1

    63391d5644886111ad206fc0f71974fa2ae79197

  • SHA256

    b5efb5f0b24cb7cd10a6a02d0d0661e9ea277d6997e76691fc6065da23208338

  • SHA512

    23cdd0b77fa9f24ff03d7cf1371de6620a18230901395dcde8b797901b4906985343dfe7c89a8b42ebff91ddcfdae913d1b4112817d30da04dfe0b38fa9664ff

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCJyqWHUztNNa37DBiZ1YTe:7JZoQrbTFZY1iaCiOLard9e

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ego.exe
    "C:\Users\Admin\AppData\Local\Temp\ego.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:2176
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\ego.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2176-2-0x00000000030B0000-0x00000000034B0000-memory.dmp

    Filesize

    4.0MB

  • memory/2724-3-0x0000000000090000-0x00000000000D4000-memory.dmp

    Filesize

    272KB

  • memory/2724-10-0x0000000000090000-0x00000000000D4000-memory.dmp

    Filesize

    272KB

  • memory/2724-5-0x0000000000090000-0x00000000000D4000-memory.dmp

    Filesize

    272KB

  • memory/2724-12-0x0000000000090000-0x00000000000D4000-memory.dmp

    Filesize

    272KB

  • memory/2724-13-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2724-14-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2724-15-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2724-16-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB