Analysis

  • max time kernel
    72s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-03-2023 15:33

General

  • Target

    windows.exe

  • Size

    5.3MB

  • MD5

    6fd40c6b89a1719188980d7550fc37fc

  • SHA1

    7e40eaca74b67de2d0cec3046ff25a9102b88560

  • SHA256

    fa967cdd39a4a0bbb104c1723966c81f6c58e3dba6f8ff3371143512b5ce35ea

  • SHA512

    99ebfb328b117041d4feaebe80fa7b4dbeb280daa4e51bd59aef73dce683ab4b292b44c3410b59bec42c5f4e676bb9eb822bd1469a2fdcc8929b8fb9af80fc12

  • SSDEEP

    98304:U/wN6vaQpuq4Tj0TgTQ4M+7LWVNtVPOK2Q3JAH24O6V6DsFR708u:C+VpsTn4h3AYOg2J6Io0l

Malware Config

Signatures

  • Lampion

    Lampion is a banking trojan, targeting Portuguese speaking countries.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows.exe
    "C:\Users\Admin\AppData\Local\Temp\windows.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1156

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1156-54-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-55-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-56-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-57-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-58-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-59-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-60-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-61-0x0000000000110000-0x0000000000111000-memory.dmp
    Filesize

    4KB

  • memory/1156-62-0x0000000000140000-0x0000000000141000-memory.dmp
    Filesize

    4KB

  • memory/1156-63-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB

  • memory/1156-64-0x0000000009F20000-0x000000000F897000-memory.dmp
    Filesize

    89.5MB

  • memory/1156-65-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/1156-69-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

  • memory/1156-71-0x00000000003B0000-0x00000000014C0000-memory.dmp
    Filesize

    17.1MB