Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 23:19

General

  • Target

    file.exe

  • Size

    1.7MB

  • MD5

    86d2306d1a90944052a6e0b310b9862e

  • SHA1

    834b2081ec5092e9388db71feacebc579dbcce6b

  • SHA256

    97f566493576623a0ba7aac087a2e4c9ce1fd6debc67d0f7bad1b493dd614016

  • SHA512

    bb35f27d3a7d827bc9b5eb2cf1c98b2e9193e7296ef16b240ea6bb333b43e252455e169cb87cf225faaeff61f267c04d5c106267beaf01574b29180f6709b5de

  • SSDEEP

    49152:7qVeXvuD7LgCqBcYWsOI6N7rc4g6Ed/v:7qcXvuD/giYWsOI6N7rNC/v

Malware Config

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/344-0-0x0000000000DF0000-0x000000000148E000-memory.dmp

    Filesize

    6.6MB

  • memory/344-1-0x00000000772B4000-0x00000000772B6000-memory.dmp

    Filesize

    8KB

  • memory/344-2-0x0000000000DF1000-0x0000000000E08000-memory.dmp

    Filesize

    92KB

  • memory/344-3-0x0000000000DF0000-0x000000000148E000-memory.dmp

    Filesize

    6.6MB

  • memory/344-5-0x0000000000DF0000-0x000000000148E000-memory.dmp

    Filesize

    6.6MB