OLDBAIT

MITRE ATT&CK: S0138 View on attack.mitre.org

Aliases: Sasfis, OLDBAIT

Malware type
credential-stealer
Family
Malware family
Operating systems
windows
Related IoCs
23 (22 malicious)
Last IoC activity
2026-10-17 16:40:03
Profile updated
2026-07-07 14:54:40

Targeted industries: government-and-public-sector defense-and-aerospace

Targeted regions: country_code:ua country_code:us

Context

OLDBAIT is a credential harvester associated with APT28, targeting government and defense sectors primarily in Ukraine and the United States. This malware is known for its focus on collecting sensitive information to support espionage activities.

Recent IoC activity

22 malicious indicators in Maltiverse are attributed to OLDBAIT (S0138). The 20 most recently updated:

TypeIndicatorUpdatedSources
hostname login.sunmarks.co.uk 2026-10-17 1
file sample ece24eda09ca25b2b3fe562aec17d0f7b6baafbfcbf0adf514cf84b39a3a3c4b 2026-10-11 1
file sample f98a68cf02ad53399ae8f90421e9a165f51abee83aced0c959a85e56e8ec4165 2026-10-11 1
file sample 97247e58705b632c37a63da6ec2cfac6f78ba09c051f438f3e08a0ab1f85f1af 2026-10-11 1
file sample add091f8137b23fe2177ae469bba88e91df573c74c9978c8cb4522f741f4c437 2026-10-11 1
hostname login.gddss36.live 2026-09-30 1
hostname login.mcrosfts-update.digital 2026-09-23 1
hostname login.mljs365.xyz 2026-09-17 1
hostname login.mcrsfts-virtualofficevm.com 2026-09-09 1
hostname login.mcrosfts-update.cloud 2026-09-07 1
hostname login.mcrosfts-updata.live 2026-09-07 1
hostname login.mcrsfts-voiceapp.digital 2026-09-03 1
hostname login.mcrsfts-passwd.cloud 2026-08-29 1
hostname login.auth2022.live 2026-08-28 1
hostname login.mcrosftts-update.cloud 2026-08-24 1
hostname login.akasmisoft.xyz 2026-08-17 1
hostname login.yi087011.xyz 2026-08-17 1
hostname login.clfonl365.xyz 2026-08-07 1
hostname login.whitmanlab.uk 2026-02-17 1
URL http://p6.zbjimg.com/task/2011-06/30/pub/4e0c46ece16cf.rar 2025-09-16 1

Detection coverage

  • 1 YARA rules
  • 147 Sigma rules

Malware & tools used

  • Match Legitimate Resource Name or Location (attack-pattern)
  • Credentials from Web Browsers (attack-pattern)
  • Mail Protocols (attack-pattern)
  • Obfuscated Files or Information (attack-pattern)
  • Credentials from Password Stores (attack-pattern)
  • Web Protocols (attack-pattern)

Used by threat actors

Detection rules

  • MALPEDIA_Win_Oldbait_Auto (yara-rule)

Reports & references

  • malpedia.caad.fkie.fraunhofer.de — Win.Oldbait (report)
  • secjuice.com — Fancy Bear Review (report)
  • Mandiant — Rpt Apt28 (report)
  • web.archive.org — Rpt Apt28 (report)
  • MITRE ATT&CK — S0138 (report)
  • Mandiant — Apt28 Center Of Storm 2017 (report)

External references