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🇦🇷 AR4 malware families

Lawxsz

Also known aslawxsz
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OPERATIONAL PROFILE

Targeting

Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.

Who they target

Sectors the actor has been observed targeting.

  • Banks
  • Financial Services

Where they're from

Attributed origin per open-source reporting.

  • AR
MITRE ATT&CK

Tradecraft

22 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

9 of 15 tactics26 techniques×N= number of intelligence reports citing this technique
MITRE ATT&CK
TA0001
Initial Access
1 technique
T1566
Phishing
TA0002
Execution
1 technique
T1059
Command and Scripting Interpreter
TA0004
Privilege Escalation
1 technique
T1055
Process Injection
TA0005
Stealth
4 techniques
T1055
Process Injection
T1497×2
Virtualization/Sandbox Evasion
T1497.001
System Checks
T1620
Reflective Code Loading
T1622
Debugger Evasion
TA0006
Credential Access
4 techniques
T1528
Steal Application Access Token
T1539
Steal Web Session Cookie
T1555×2
Credentials from Password Stores
T1555.003
Credentials from Web Browsers
T1649×2
Steal or Forge Authentication Certificates
TA0007
Discovery
5 techniques
T1012
Query Registry
T1057
Process Discovery
T1082
System Information Discovery
T1497×2
Virtualization/Sandbox Evasion
T1497.001
System Checks
T1622
Debugger Evasion
TA0009
Collection
3 techniques
T1005
Data from Local System
T1113
Screen Capture
T1560
Archive Collected Data
T1560.001
Archive via Utility
TA0011
Command and Control
2 techniques
T1071
Application Layer Protocol
T1568
Dynamic Resolution
TA0010
Exfiltration
1 technique
T1041
Exfiltration Over C2 Channel
ARSENAL

Associated malware families

4 malware families attributed to this actor across reporting.

FamilyContextEvidenceLast seen
Packit StealerLawxsz is an Argentinian threat actor and malware author responsible for developing and distributing a portfolio of stealers and remote access tools, including: Prysmax Stealer Valkyrie Stealer Packit Stealer1May 24, 2026
Prysmax StealerLawxsz is an Argentinian threat actor and malware author responsible for developing and distributing a portfolio of stealers and remote access tools, including: Prysmax Stealer Valkyrie Stealer Packit Stealer1May 24, 2026
SherlockBeyond his own products, he has also brokered access to large-scale credential aggregation tooling, including a December 2023 sale of a tool he referred to as Sherlock, advertised as containing millions of records, thousands of databases, and over 100 APIs including IntelX, supporting username, password, email, and URL-based lookups.1May 24, 2026
Valkyrie StealerThe first part, published at dexpose.io, covered a deep technical reverse engineering of the Valkyrie Stealer, analyzing its capabilities, evasion techniques, and operator profile.1May 24, 2026
IOCS

Observables

9 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.

9 IOCsView more in app

IOC values are gated. View more in Mallory for domains, IPs, hashes, and other artifacts, or pipe them straight into your SIEM.

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app
What this page doesn’t show

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping22

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal4

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Observables9

Domains, IPs, and hashes tied to this actor, refreshed continuously.