Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 11:20

General

  • Target

    0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe

  • Size

    1.7MB

  • MD5

    0b31ced095cd56779e9364a9fde0e38d

  • SHA1

    74c8c92bb500637eb311394040fa318e0ec8719f

  • SHA256

    0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558

  • SHA512

    a0586bd672669d881dc38b0b0d3c35c87f5388b197a89c530ade459116ffdc549fea0fa0f73193c266d848d3318c1f94507cad71d13dc06319ee1ca8b94473fd

  • SSDEEP

    49152:frTxjerrEXthc01DYXzaIZZSUZw46E5S0SaLh3VYoL:0g9hoaOvJ5S0SwJ9

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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.exe
    "C:\Users\Admin\AppData\Local\Temp\0581fcdf17b6a9512f47a95a5a14788337d45795afd35afe52a450d01750e558.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
    • Suspicious behavior: EnumeratesProcesses
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2712-0-0x00000000008C0000-0x0000000000F58000-memory.dmp

    Filesize

    6.6MB

  • memory/2712-1-0x00000000771C0000-0x00000000771C2000-memory.dmp

    Filesize

    8KB

  • memory/2712-2-0x00000000008C1000-0x00000000008D8000-memory.dmp

    Filesize

    92KB

  • memory/2712-3-0x00000000008C0000-0x0000000000F58000-memory.dmp

    Filesize

    6.6MB

  • memory/2712-4-0x00000000008C0000-0x0000000000F58000-memory.dmp

    Filesize

    6.6MB