Metamorfo

MITRE ATT&CK: S0455 View on attack.mitre.org

Aliases: Casbaneiro, Metamorfo

First seen
2018-04-01 00:00:00
Malware type
trojan
Family
Malware family
Operating systems
windows
Related IoCs
63 (51 malicious)
Last IoC activity
2026-10-16 14:04:50
Profile updated
2026-07-07 14:04:42

Targeted industries: financial-services

Targeted regions: country_code:br country_code:mx

Context

Metamorfo is a Latin-American banking trojan operated by a Brazilian cybercrime group that has been active since at least April 2018. The group focuses on targeting banks and cryptocurrency services in Brazil and Mexico.

Recent IoC activity

51 malicious indicators in Maltiverse are attributed to Metamorfo (S0455). The 20 most recently updated:

TypeIndicatorUpdatedSources
file sample 39aea1d9a4539f3280b122cdbf70bf52e0549b74a5b936a72d442d7adfd65156 2026-10-16 1
file sample 2f787f5706205bab7063741acfa68015178b90c8d06a1839cba33b90a419d6cb 2026-10-13 1
file sample 215720°.msi 2026-10-12 1
file sample BoIetos_Novembro.lnk 2026-10-12 1
file sample z90BOLET0_120923_1_.msi 2026-10-11 1
file sample dd157aa5626e71ed1c5b6ddee211ac4edc0ecbcab5016a78ab8a6a0f07f4db27 2026-10-06 1
file sample f5c0a71b972a63ce6a5e503a0902c8481f788a580a5cbf2246ee4a163bcd44b2 2026-09-28 2
file sample Curriculo.lnk 2026-09-11 1
file sample BoIetos - 17-11.lnk 2026-09-11 1
file sample Foto.lnk 2026-09-11 1
file sample 18 de Novembro.lnk 2026-09-11 1
file sample 18 de Novembro.lnk 2026-09-11 1
file sample 18 de Novembro.lnk 2026-09-11 1
file sample Curriculo.lnk 2026-09-11 1
file sample e8ec6f2b265691c45d18a44c.msi 2026-09-07 1
file sample 0bf0eb3822fb47e07d7beabb6f5f8e8d5c76b94ca70bfe379fe0a8b092c8517f 2026-08-11 3
file sample BOLET0_120923__1_.msi 2026-08-03 1
file sample foto.lnk 2026-07-28 1
file sample 6a2ab942387df2a39b7aae7aaec6260198aae3c45389542d0b543b630d03cd40 2026-07-23 1
file sample Anexo - 05116510.lnk 2026-06-29 1

Detection coverage

  • 1 YARA rules
  • 815 Sigma rules

Malware & tools used

  • JavaScript (attack-pattern)
  • Software Discovery (attack-pattern)
  • Keylogging (attack-pattern)
  • Security Software Discovery (attack-pattern)
  • Asymmetric Cryptography (attack-pattern)
  • Web Protocols (attack-pattern)
  • Msiexec (attack-pattern)
  • Malicious File (attack-pattern)
  • Dynamic-link Library Injection (attack-pattern)
  • Dead Drop Resolver (attack-pattern)
  • Encrypted/Encoded File (attack-pattern)
  • Native API (attack-pattern)
  • DLL (attack-pattern)
  • Spearphishing Attachment (attack-pattern)
  • System Time Discovery (attack-pattern)
  • Non-Application Layer Protocol (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Exfiltration Over C2 Channel (attack-pattern)
  • Indicator Removal (attack-pattern)
  • GUI Input Capture (attack-pattern)
  • Virtualization/Sandbox Evasion (attack-pattern)
  • File Deletion (attack-pattern)
  • Modify Registry (attack-pattern)
  • One-Way Communication (attack-pattern)
  • Automated Collection (attack-pattern)

Detection rules

  • ARKBIRD_SOLG_Malware_Casbaneiro_MSI (yara-rule)

Reports & references

  • advintel.io — Economic Growth Digital Inclusion Specialized Crime Financial Cyber Fraud In Latam (report)
  • botconf.eu — B2019 Soucek Hornak Demystifyingbankingtrojansfromlatinamerica (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Metamorfo (report)
  • Cisco Talos — Metamorfo Brazilian Campaigns (report)
  • twitter.com — 1418706916922986504 (report)
  • github.com — Metamorfo.Md (report)
  • Mandiant — Metamorfo Campaign Targeting Brazilian Users (report)
  • cofense.com — Autohotkey Banking Trojan (report)
  • medium.com — The Avast Abuser Metamorfo Banking Malware Hides By Abusing Avast Executable Ac9B8B392767 (report)
  • ESET — Casbaneiro Trojan Dangerou (report)
  • bitdefender.com — Bitdefender Pr Whitepaper Metamorfo Creat4500 En En Genericuse (report)
  • blog.ensilo.com — Metamorfo Avast Abuser (report)
  • MITRE ATT&CK — S0455 (report)
  • ESET — Casbaneiro Trojan Dangerous Cooking (report)
  • umbrella.cisco.com — Navigating Cybersecurity During A Pandemic Latest Malware And Threat Actors (report)

External references