Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 05:48

General

  • Target

    33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe

  • Size

    1.8MB

  • MD5

    7c170238c3fdf496e5420134b8f2c1e6

  • SHA1

    45c78f3c1f17a5cb39fe957ee144b69c6fc81211

  • SHA256

    33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029

  • SHA512

    af3366534e37f3aab1823a121fe88f2176c1ea64c7f940de4063a69551a118629f7832f7171cf4f88e076c6d6a04d9d5a96aa3493f447d54d961cec420491fac

  • SSDEEP

    49152:KZJAJB41PcUGRVoEDXVfi60LGv6zk565Po:CAQhcUGUEDXVfauT4P

Malware Config

Extracted

Family

stealc

Botnet

doma

C2

http://185.215.113.37

Attributes
  • url_path

    /e2b1563c6670f193.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe
    "C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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:4992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4992-0-0x0000000000B20000-0x00000000011BA000-memory.dmp

          Filesize

          6.6MB

        • memory/4992-1-0x00000000773E4000-0x00000000773E6000-memory.dmp

          Filesize

          8KB

        • memory/4992-2-0x0000000000B21000-0x0000000000B44000-memory.dmp

          Filesize

          140KB

        • memory/4992-3-0x0000000000B20000-0x00000000011BA000-memory.dmp

          Filesize

          6.6MB

        • memory/4992-5-0x0000000000B20000-0x00000000011BA000-memory.dmp

          Filesize

          6.6MB