REF5961Threat actor
Elastic's security team has published a report on REF5961, a cyber-espionage group they found on the network of a Foreign Affairs Ministry from a member of the Association of Southeast Asian Nations (ASEAN). Elastic says it found the group's tools next to the malware of another cyber-espionage group it tracks as REF2924. REF5961's arsenal includes malware such as EAGERBEE, RUDEBIRD, and DOWNTOWN.From MISP Galaxy
Last reported 3 years ago, by Elastic Security Labs2 reports
ATT&CK techniques
6 of 7 · each with the sentence it comes from- T1055Process Injection
“Shortly after being executed, Elastic Defend registered a process injection alert.”
- T1005Data from Local System
“Data from Local System”
- T1027Obfuscated Files or Information
“Obfuscated Files or Information”
- T1041Exfiltration Over C2 Channel
“Exfiltration Over C2 Channel”
- T1053.005Scheduled Task
“As a scheduled task”
- T1059Command and Scripting Interpreter
“Command and Scripting Interpreter”
What the reports say
2 reports, newest first · the exact sentence from each-
Disclosing the BLOODALCHEMY backdoor“It was discovered in our analysis and is part of the REF5961 intrusion set, which you can read about here.”
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Introducing the REF5961 intrusion set“Introducing the REF5961 intrusion set”
Indicators in its reports
named in the reports above- decoded.avast[.]ioin 1 report
- hxxps://malwa[.]re/Inform/loggerin 1 report
- malwa[.]rein 1 report
- e14ee3e2ce001011…6406ed89009ain 1 report
- 25268bc07b64d0d1…d3bfd2a05455in 1 report
- hxxp://president[.]mn/en/ebooksheets.phpin 1 report
- president[.]mnin 1 report
- www.president[.]mnin 1 report
- datacenter.gov[.]mnin 1 report
- hxxps://intranet.gov[.]mn/upload.phpin 1 report
- intranet.gov[.]mnin 1 report
- 45.90.58[.]103in 1 report
- 185.195.237[.]123in 1 report
- 185.82.217[.]164in 1 report
- 195.123.245[.]79in 1 report
- paper.hosted-by-bay[.]netin 1 report
- news.hosted-by-bay[.]netin 1 report
- hosted-by-bay[.]netin 1 report
- 45.133.194[.]106in 1 report
- paypal.goodspaypal[.]comin 1 report
Copy these 20 indicators · defanged
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