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Socelars is a Windows information-stealing Trojan focused on harvesting browser data, social-media session material, and payment-related information. It has been observed stealing Facebook session cookies from Chromium- and Firefox-based browsers, using those cookies to access Facebook account and Ads Manager resources, and extracting advertising account identifiers, access tokens, associated pages, balances, spending limits, and payment details. Reported variants also target Amazon session cookies, collect browser and host information, gather Instagram and Steam-related data, and in some cases deploy a malicious Chrome extension to further steal Facebook, credit-card, and other payment credentials. The malware typically operates silently in the background and exfiltrates collected data to attacker-controlled infrastructure.
Socelars has been associated with fake software and adware-bundled distribution, including trojanized installers and counterfeit utility applications such as bogus PDF tools. It has also been repeatedly observed as a payload delivered by PrivateLoader and in multi-malware bundling operations, including the Russian-speaking Operation STANDOFF campaign, where it was installed alongside other commodity stealers, loaders, miners, and access-enabling malware. Available reporting characterizes Socelars as part of the commodity cybercrime ecosystem rather than a bespoke intrusion platform, but its theft of session cookies and advertising-account data can enable account hijacking, fraudulent ad purchases, financial abuse, and follow-on compromise.
1 distinct threat actor Mallory has associated with this family across public reporting. Open in Mallory to see the full evidence chain and overlapping campaigns.
Il dépose entre 40 et 50 exécutables ... et installe simultanément plusieurs familles de malwares : Socelars (vol de tokens, C2 : www.wgqpw.com )
14 distinct techniques documented for this family, organized by ATT&CK tactic.
The campaign also uses gaming-themed content and automated outreach to draw people toward its malware delivery ecosystem.
Its installer delivers information stealers, loaders, a cryptocurrency miner, and botnet components... The initial loader dropped dozens of executables into a user-writable staging folder and used hidden command activity to launch them.
Attackers are distributing an information-stealing Trojan disguised as a PDF reader... numerous sites distributing a fake PDF editing program called 'PDFreader'.
we found that many of the requests to the PDFreader domains came from adware bundles installing unwanted programs such as YeaDesktop or pretending to be copyrighted software.
checks anti-VM (VirtualBox, Wine, hyperviseur via NtQuerySystemInformation), checks anti-debugger
The executables distributed from this site are signed by a digital certificate issued by Sectigo to "Rakete Content Gmbh".
désactivation de Microsoft Defender (real-time monitoring, MAPS, exclusion du répertoire de staging)
The account_billing URL will be used to extract the user's account_id and access_token, which will then be used in a Facebook Graph API call to steal data from the user's Ads Manager settings.
When launched, Kremez told BleepingComputer that the Trojan will first attempt to steal Facebook sessions cookies from Chrome and Firefox by accessing the Cookies SQLite database.
checks anti-VM (VirtualBox, Wine, hyperviseur via NtQuerySystemInformation), checks anti-debugger
T1005 — Data from Local System (Collection)
The stolen data, which consists of session cookies, access tokens, account ids, advertising email address, associated pages, credit card info (number, expiration date), PayPal email, ad balances, spending limits, etc, is then compiled and sent to the attacker's Command & Control server.
Un User-Agent WinHTTP malformé ... constitue une signature réseau distinctive.
PrivateLoader’s main capability is to download and execute one or several payloads ... After downloading the next stage, PrivateLoader deobfuscates its content ... before executing the valid PE.
T1041 — Exfiltration Over C2 Channel (Exfiltration)
38 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Values are masked here and available in full in Mallory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.