Proprietary 2020-11-16 · 2 days ·Backdoor, Malware Deployment, Remote Access

VeraPort websites delivered Lazarus malware

Lazarus abused compromised South Korean websites that supported WIZVERA VeraPort. Signed impostor installers were delivered through a trusted security-software workflow.

Story

VeraPort is an integration installer used by South Korean government and banking websites to install required browser plug-ins, identity software, and security tools. That made it a trusted distribution path, often with little user interaction once the user visited a supported site.

ESET did not report a compromise of WIZVERA's own infrastructure. The attack depended on compromised websites that already supported VeraPort, plus VeraPort configuration choices that let software be replaced if it carried a valid digital signature. Lazarus supplied signed malware that looked like legitimate South Korean security software.

The delivered files used names such as Delfino.exe and MagicLineNPIZ.exe, with stolen or illegally obtained certificates from ALEXIS SECURITY GROUP and DREAM SECURITY USA. VeraPort validated the signature, but in vulnerable configurations it did not bind the download to an expected publisher or hash.

This remains in scope as an edge case because a legitimate, required software installation mechanism delivered attacker-controlled binaries from compromised official websites. The record names the trust path carefully: VeraPort was abused as the installer channel; the compromised distribution points were the VeraPort-enabled sites.

Affected Artifacts

Delfino.exe impostor

· wizvera.com · Binary Archive
Observed
2020-11-16 to 2020-11-18
Compromised Versions
Unknown
Fixed
Not listed
Hashes
  • sha1:3d311117d09f4a6ad300e471c2fb2b3c63344b1d
Evidence
certificate_subject: ALEXIS SECURITY GROUP, LLC, observable: Camouflaged as legitimate South Korean software delivered via VeraPort.
Observed
2020-11-16 to 2020-11-18
Compromised Versions
Unknown
Fixed
Not listed
Hashes
  • sha1:3abfec6fc3445759730789d4322b0be73dc695c7
Evidence
certificate_subject: DREAM SECURITY USA INC, observable: Camouflaged as legitimate South Korean software delivered via VeraPort.
  • ESET reported this sample as one of two signed malware files delivered through the VeraPort abuse chain.

Incident Context

Motive
Espionage
Attribution
Group
Cause
Compromised Website
Transitive
No
Actor
Lazarus Group

Indicators

  • campaignOperation BookCodes
  • familyNukeSped
  • fileDelfino.exe
  • fileMagicLineNPIZ.exe
  • fileBtserv.dll
  • filebcyp655.tlb
  • certificate_subjectALEXIS SECURITY GROUP, LLC
  • certificate_subjectDREAM SECURITY USA INC
  • path%Temp%\[12_RANDOM_DIGITS]\
  • observableVeraPort configuration verified valid digital signatures but could omit publisher or hash binding.
  • observableESET said the supply-chain attacks occurred at websites using VeraPort rather than at WIZVERA itself.

External References

Source record: proprietary/veraport/meta.yaml