Analysis

  • max time kernel
    139s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 10:11

General

  • Target

    2815c00648e2dc6337b1328330d0e20b738d9ba8ce7d6e3180e3343f28bcc01a.exe

  • Size

    1.7MB

  • MD5

    d378c5c6de1c909a071859c1eb820a79

  • SHA1

    c5d60bd8933e0d030e7aa0e624c35a5ed336232f

  • SHA256

    2815c00648e2dc6337b1328330d0e20b738d9ba8ce7d6e3180e3343f28bcc01a

  • SHA512

    835c4212099d90bbff133e93d480c83b6ae9fcb3956382cdeb0fa20df9646602ac6d0305e12c71fc1ecda13d3ffa46ec81d089fc74fad835d268fa4c4b33ab4e

  • SSDEEP

    49152:8+YDKsLR3e16m2V+ThqiGpF4WIq7QNbCTK:8+ui2VNiKFt7ybCTK

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • 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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2815c00648e2dc6337b1328330d0e20b738d9ba8ce7d6e3180e3343f28bcc01a.exe
    "C:\Users\Admin\AppData\Local\Temp\2815c00648e2dc6337b1328330d0e20b738d9ba8ce7d6e3180e3343f28bcc01a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 1496
      2⤵
      • Program crash
      PID:1292
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3516 -ip 3516
    1⤵
      PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3516-0-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-1-0x0000000076F44000-0x0000000076F46000-memory.dmp

      Filesize

      8KB

    • memory/3516-2-0x0000000000621000-0x0000000000638000-memory.dmp

      Filesize

      92KB

    • memory/3516-3-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-4-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-5-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-6-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-7-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB

    • memory/3516-8-0x0000000000620000-0x0000000000CBA000-memory.dmp

      Filesize

      6.6MB