Analysis

  • max time kernel
    112s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250211-en
  • resource tags

    arch:x64arch:x86image:win11-20250211-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/02/2025, 16:12

General

  • Target

    random.exe

  • Size

    1.7MB

  • MD5

    be387fa24001fc6815aaa56fd034e158

  • SHA1

    ea2116971dc1c9e20250d6e895a467033d3b66cc

  • SHA256

    97a0714c97ef7d24d3e6724c9101e4fa035159eab3dd194b4b8f2c3fe927ced3

  • SHA512

    8f7ce5bd72a87b7147c65a341b0f6902d68af49b1400bd6a42bcbe2b90719da218a5568eac26ca24e9f6c045ab784a446cd9e81bcf3d8ea212f96c7b9422f1da

  • SSDEEP

    49152:JVALsrpvVc8C76sT3SS1qw5lQiwC66yjA:Jxrp9cH6Wn1qDZF

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
  • Downloads MZ/PE file 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 2 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.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:4744
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjQiIGluc3RhbGxkYXRldGltZT0iMTczOTI4MjMwMiIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNzUzNTk3Mjc0MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUzMTA2MDk3NTEiLz48L2FwcD48L3JlcXVlc3Q-
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4744-0-0x0000000000990000-0x000000000100C000-memory.dmp

    Filesize

    6.5MB

  • memory/4744-1-0x00000000775E6000-0x00000000775E8000-memory.dmp

    Filesize

    8KB

  • memory/4744-2-0x0000000000991000-0x00000000009A8000-memory.dmp

    Filesize

    92KB

  • memory/4744-3-0x0000000000990000-0x000000000100C000-memory.dmp

    Filesize

    6.5MB

  • memory/4744-4-0x0000000000990000-0x000000000100C000-memory.dmp

    Filesize

    6.5MB