Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 03:34

General

  • Target

    ego.exe

  • Size

    1.1MB

  • MD5

    0a81ce0a1b317625cc55e2f68bef7b94

  • SHA1

    63391d5644886111ad206fc0f71974fa2ae79197

  • SHA256

    b5efb5f0b24cb7cd10a6a02d0d0661e9ea277d6997e76691fc6065da23208338

  • SHA512

    23cdd0b77fa9f24ff03d7cf1371de6620a18230901395dcde8b797901b4906985343dfe7c89a8b42ebff91ddcfdae913d1b4112817d30da04dfe0b38fa9664ff

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCJyqWHUztNNa37DBiZ1YTe:7JZoQrbTFZY1iaCiOLard9e

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    techniqueqatar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TechFB2023$$$

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 3 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).

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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:5020
    • 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:1608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 836
      2⤵
      • Program crash
      PID:1688
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5020 -ip 5020
    1⤵
      PID:4036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1608-3-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/1608-4-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

      Filesize

      4KB

    • memory/1608-5-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1608-6-0x0000000005850000-0x00000000058B6000-memory.dmp

      Filesize

      408KB

    • memory/1608-7-0x0000000073E70000-0x0000000074620000-memory.dmp

      Filesize

      7.7MB

    • memory/1608-8-0x0000000006F50000-0x0000000006FE2000-memory.dmp

      Filesize

      584KB

    • memory/1608-11-0x0000000006FF0000-0x0000000007040000-memory.dmp

      Filesize

      320KB

    • memory/1608-12-0x00000000070E0000-0x000000000717C000-memory.dmp

      Filesize

      624KB

    • memory/1608-13-0x0000000007070000-0x000000000707A000-memory.dmp

      Filesize

      40KB

    • memory/1608-14-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

      Filesize

      4KB

    • memory/1608-15-0x0000000073E70000-0x0000000074620000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-2-0x00000000043A0000-0x00000000047A0000-memory.dmp

      Filesize

      4.0MB