Was MICA ENVIRONNEMENT hit by ransomware?

MICA ENVIRONNEMENT was listed by the Mallox ransomware operation (France), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Mallox ransomware group?

Mallox is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the MICA ENVIRONNEMENT breach?

Mallox published data attributed to MICA ENVIRONNEMENT. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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MICA ENVIRONNEMENT

Claimed by Mallox · listed 3 years ago

37m

Age

since listed · data leaked

Status timeline

ListedJun 20, 2023
Data leakeddate unknown

At a glance

Group: Mallox
Status: Data leaked
Country: France
Sector: Consulting
Listed on leak site: Jun 20, 2023

About the victim

AI dossier — public-source company profile

Mica Environnement is an independent French engineering consultancy specialising in geology, geotechnics, hydrogeology, hydrology, landscape, and natural environment studies. The firm serves sectors including mining, geothermal energy, quarries, renewable energies, waste storage, and explosive product installations. It offers multidisciplinary expertise and project management services including site rehabilitation, ecological restoration, and environmental monitoring.

Industry: Environmental Engineering & Geosciences Consulting

Attack summary

Severity: high — Data has been fully published across 15 archive files, confirming exfiltration and public disclosure of what are likely significant business, project, and client-related documents from an environmental engineering firm. The disclosure status is 'data_published', representing confirmed exfiltration with active data release.

The Mallox ransomware group claims to have exfiltrated data from Mica Environnement and has published the stolen data across 15 password-protected archive parts (Mica.7z.001–015) hosted on AnonFiles. No ransom amount was stated and no encryption claim was explicitly made in the post.

high

Data the group says was taken

AI dossier — extracted from the leak post

Business/project files (inferred from archive volume)
Internal company documents
Potentially environmental study reports
Employee and client records (inferred)

The group's post references roughly 15 proof files.

What the group claims

DATA PARTS: Mica.7z.001 https://anonfiles.com/Qat8K6x8zf/Mica_7z_001 Mica.7z.002 https://anonfiles.com/P6t7K0xcz0/Mica_7z_002 Mica.7z.003 https://anonfiles.com/u4s2K7xaz3/Mica_7z_003 Mica.7z.004 https://anonfiles.com/R1tfK5xezc/Mica_7z_004 Mica.7z.005 https://anonfiles.com/f2t9K8xdzc/Mica_7z_005 Mica.7z.006 https://anonfiles.com/JdudK4x7z6/Mica_7z_006 Mica.7z.007 https://anonfiles.com/N9ueK6xbz4/Mica_7z_007 Mica.7z.008 https://anonfiles.com/zcw2Kcxbz8/Mica_7z_008 Mica.7z.009 https://anonfiles.com/16w5Kbx1zd/Mica_7z_009 Mica.7z.010 https://anonfiles.com/22w7K5xeze/Mica_7z_010 Mica.7z.011 https://anonfiles.com/09w8Kcxdz6/Mica_7z_011 Mica.7z.012 https://anonfiles.com/30w4Kaxcza/Mica_7z_012 Mica.7z.013 https://anonfiles.com/59z4K5x7z2/Mica_7z_013 Mica.7z.014 https://anonfiles.com/wez5K7x2z4/Mica_7z_014 Mica.7z.015: https://anonfiles.com/i7z0Kbx8z8/Mica_7z_015 PASSWORD: 9n?M)YLZ737Fr5ttZ7u$YU01j<4&5ZrW

Sources

Victim sitemica-environnement.com
Leak posthttp://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/post?V3Fu7oaaz9Bbgmq

Source

Indexed 3 years ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About Mallox

**Overview:** Mallox is a financially motivated ransomware group that emerged in November 2022, operating as a relatively new player in the ransomware ecosystem with a focus on extracting monetary payments from victim organizations across multiple industry sectors. **Origin & Affiliation:** The group's country of origin and specific affiliations remain largely undocumented by major threat intelligence organizations, though their operational patterns suggest they operate independently rather than as part of a larger ransomware-as-a-service operation. **Attack Methodology:** Limited public documentation exists regarding Mallox's specific attack vectors and technical capabilities, though their successful compromise of 49 documented victims suggests they employ conventional ransomware deployment methods including data encryption and likely extortion tactics to pressure victims into payment. **Notable Campaigns:** Mallox has demonstrated a preference for targeting technology companies, business services, and manufacturing sectors, with their operations showing particular concentration in the United Kingdom, India, and the United States, though specific high-profile incidents have not been widely publicized by major cybersecurity firms or law enforcement agencies. **Current Status:** The group remains active as of recent threat intelligence reporting, continuing to conduct ransomware operations across their preferred geographic and sectoral targets. The group has been linked to 49 public disclosures across our corpus. First observed on a leak site on November 4, 2022; most recent post July 15, 2024. The operation is currently inactive.

Timeline of this disclosure

June 20, 2023MICA ENVIRONNEMENT listed by Malloxon the group's public leak site

Other recent disclosures by Mallox

Mallox has been linked to 49 public victims on Darkfield. A sample of the most recent:

See the full Mallox dossier →

Sector and geography

This disclosure adds to ransomware activity in the Consulting sector, which has 67 disclosures indexed across all operators we track. Geographically, MICA ENVIRONNEMENT is reported in France, a country with 612 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Mallox means MICA ENVIRONNEMENT appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CERT-FR (France), as required for your jurisdiction.
Monitor for the data appearing on Mallox's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.