Analysis

  • max time kernel
    269s
  • max time network
    251s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    19-01-2023 01:32

General

  • Target

    windows.exe

  • Size

    5.5MB

  • MD5

    caa7805c7dc283359293bae074cb85ec

  • SHA1

    f21c4880fbf40b8f03ed8954263106d814ac014d

  • SHA256

    e24fbdd85caccbf63428e12d5e0afb7529c6c22469ed7414e80d5a6b9c02ac23

  • SHA512

    206a54b956f7bed6f63a2f08b9ec6b9bec32fb628356e2b6189edea814e403bee385ce46420ca5a4d41e33d6306376c7c605f3645c5c3b85a0f0980d4ba5e8f1

  • SSDEEP

    98304:E6mIaXo6zdDzxzWfqyD+OHSpUijWAsIC0A6NNU4chmX+dLFR:E6mY69zN8HSWijWAsIFA6NNvYmXuLL

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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:4216

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/4216-132-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-133-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-134-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-135-0x0000000077280000-0x0000000077423000-memory.dmp
    Filesize

    1.6MB

  • memory/4216-136-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-137-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-138-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-139-0x0000000000960000-0x0000000001AC0000-memory.dmp
    Filesize

    17.4MB

  • memory/4216-140-0x0000000077280000-0x0000000077423000-memory.dmp
    Filesize

    1.6MB

  • memory/4216-141-0x0000000009F20000-0x000000000F896000-memory.dmp
    Filesize

    89.5MB

  • memory/4216-142-0x0000000009F20000-0x000000000F896000-memory.dmp
    Filesize

    89.5MB