Disclosure context

About direwolf

Direwolf is a ransomware group that emerged in May 2025 with primarily financial motivations, having targeted 71 known victims across multiple sectors and geographic regions. The group's origin and potential affiliations remain undocumented in public threat intelligence reports, with no confirmed information regarding whether they operate as a Ransomware-as-a-Service model or as an independent entity. Their attack methodology and technical capabilities have not been extensively documented by major cybersecurity firms or government agencies, though their targeting patterns indicate a focus on manufacturing, technology, healthcare, and transportation/logistics sectors across Malaysia, the United States, Thailand, Singapore, and Taiwan. No major high-profile campaigns or significant ransomware demands have been publicly attributed to this group by CISA, FBI, or established security researchers such as Mandiant. Given the group's recent emergence and limited public documentation, their current operational status and long-term threat posture remain unclear, requiring continued monitoring by the cybersecurity community to establish a more comprehensive threat profile. The group has been linked to 71 public disclosures across our corpus. First observed on a leak site on May 27, 2025; most recent post January 13, 2026. The operation is currently active.

Timeline of this disclosure

January 13, 2026Perdana Petroleum Berhad listed by direwolfon the group's public leak site

Sector and geography

This disclosure adds to ransomware activity in the Energy sector, which has 374 disclosures indexed across all operators we track. Geographically, Perdana Petroleum Berhad is reported in MY, a country with 29 ransomware disclosures in our corpus.

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.

Ransomware victim disclosure

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Perdana Petroleum Berhad

Claimed by direwolf · listed 4 months ago

Age

since listed · data leaked

Status timeline

Listed
Jan 13, 2026
Data leaked

At a glance

Group: direwolf
Status: Data leaked
Country: MY
Sector: Energy
Listed on leak site: Jan 13, 2026

About the victim

AI dossier — public-source company profile

Perdana Petroleum Berhad is a Malaysian publicly listed company and leading provider of offshore marine services for the upstream oil and gas industry. Operating through subsidiaries Intra Oil Services Berhad and Perdana Nautika Sdn Bhd, it owns and operates a fleet of offshore support vessels (AHTS, workboats, and workbarges) serving domestic and regional markets. The company is listed on Bursa Malaysia and maintains offices in Petaling Jaya, Miri, Labuan, Kemaman, and Kelantan.

Industry: Offshore Marine Services for Oil & Gas
Address: Level 18, Block 2, VSQ @ PJCC, Jalan Utara, 46200 Petaling Jaya, Selangor, Malaysia
Founded: 1995

Attack summary

Severity: high — Perdana Petroleum is a publicly listed energy-sector company operating critical offshore infrastructure; data_published status confirms exfiltration of significant business data from a regulated, publicly listed entity in the oil and gas sector, which likely includes financial, operational, and corporate governance records.

The direwolf ransomware group claims to have attacked Perdana Petroleum Berhad, with the disclosure status indicating data has been published. The leak post does not specify the volume of exfiltrated data or whether encryption was also performed.

high

Data the group says was taken

AI dossier — extracted from the leak post

Corporate financial data
Investor relations documents
Annual reports
Internal business operations data
Employee records
Fleet operational data

What the group claims

Energy, Utilities & Waste

Sources

Victim siteperdana.my
Leak posthttp://direwolfcdkv5whaz2spehizdg22jsuf5aeje4asmetpbt6ri4jnd4qd.onion/api/public/articles/65

Source

Indexed 4 months 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.