LunarLoader can verify the targeted host's DNS name which is then used in the creation of a decyrption key.2
tool
LunarLoader S1143
- Type
- malware
- Platform
- Windows
- Created
- 27 June 2024
- Last modified
- 27 June 2024
LunarLoader is the loader component for the LunarWeb and LunarMail backdoors that has been used by Turla since at least 2020 including against a European ministry of foreign affairs (MFA). LunarLoader has been observed as a standalone and as a part of trojanized open-source software such as AdmPwd.[1]
5
TechniquesBottom 23%
3
TacticsBottom 21%
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1143
LunarLoader has the ability to use Microsoft Outlook add-ins to establish persistence. 3
LunarLoader can deobfuscate files containing the next stages in the infection chain.4
LunarLoader can use the DNS domain name of a compromised host to create a decryption key to ensure a malicious payload can only execute against the intended targets.5
LunarLoader can use reflective loading to decrypt and run malicious executables in a new thread.6
Standing S1143
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques5Bottom 23%
23rd percentile · 77% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics3Bottom 21%
21st percentile · 79% of 825 ATT&CK software entries have more tactics spanned.
Threat group161% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique5medBottom 6%
6th percentile · 94% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique5med
Detection coverage S1143
55 distinct rules cover the 5 techniques recorded for this tool. 39 Sigma · 16 Splunk.
5 covered by at least one rule55 distinct rules in total
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