Resubmissions

07/12/2024, 21:44

241207-1lqdra1jfk 10

07/12/2024, 11:58

241207-n456ps1pf1 10

Analysis

  • max time kernel
    90s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2024, 11:58

General

  • Target

    file.exe

  • Size

    5.0MB

  • MD5

    2704b8659485a783c81f96440f2f5ca4

  • SHA1

    d8883d8802dd0363cc505cbae99d3c37fa83b283

  • SHA256

    a63c8da0504eb526d7a28d684872a1aca575819f46a0ecef131d30ac2d6da4ed

  • SHA512

    84bb63aeaf561b26b86475f4eedd99b368f697bc760afe9f16557a585cf4e747d6d8b68f0fd27af0883fd6d81386e5304d49bfee4d365820b6c2fce6218d3284

  • SSDEEP

    49152:63T9U3oVHLbwpaN4j7fMljwRMyWrMQFn:ET9goVrbv4j7EpuTAF

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 1 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:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2216-0-0x0000000000D70000-0x000000000127C000-memory.dmp

    Filesize

    5.0MB

  • memory/2216-1-0x0000000077200000-0x0000000077202000-memory.dmp

    Filesize

    8KB

  • memory/2216-2-0x0000000000D71000-0x0000000000FBA000-memory.dmp

    Filesize

    2.3MB

  • memory/2216-3-0x0000000000D70000-0x000000000127C000-memory.dmp

    Filesize

    5.0MB

  • memory/2216-5-0x0000000000D70000-0x000000000127C000-memory.dmp

    Filesize

    5.0MB

  • memory/2216-6-0x0000000000D71000-0x0000000000FBA000-memory.dmp

    Filesize

    2.3MB