Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250207-en
  • resource tags

    arch:x64arch:x86image:win11-20250207-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-02-2025 17:40

General

  • Target

    random.exe

  • Size

    1.7MB

  • MD5

    adb822a9a629882b5444563cf0b010df

  • SHA1

    61a18bdd091861019b3ff17d121799696aac4510

  • SHA256

    1314267a5983795475a4b0a8469890c111d961fa4f8cf3215125f324fc253924

  • SHA512

    d31b575820ff095fe363a2b13905019216f317a1c883d724be9f576ea88dee2b10fa42aa39517c5f9a98633028f743c58d4199977ac90671535a87ca258dd73b

  • SSDEEP

    24576:2kQzIcT6qOn1oYgttje1LkKTvtxECuu9sKM4bmdiHkbkR1dVh1rzTc7nxyi8xTqv:2krsn2+L6kiwCJM0mdiqkRrBiyiBl/

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:4556
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjEiIGluc3RhbGxkYXRldGltZT0iMTczODk1Njc0OSIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNDI5MTcwNDQ2MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUwMTUxMDM3NDgiLz48L2FwcD48L3JlcXVlc3Q-
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4556-0-0x0000000000380000-0x0000000000A19000-memory.dmp

    Filesize

    6.6MB

  • memory/4556-1-0x0000000077D76000-0x0000000077D78000-memory.dmp

    Filesize

    8KB

  • memory/4556-2-0x0000000000381000-0x0000000000398000-memory.dmp

    Filesize

    92KB

  • memory/4556-3-0x0000000000380000-0x0000000000A19000-memory.dmp

    Filesize

    6.6MB

  • memory/4556-4-0x0000000000380000-0x0000000000A19000-memory.dmp

    Filesize

    6.6MB

  • memory/4556-5-0x0000000000380000-0x0000000000A19000-memory.dmp

    Filesize

    6.6MB