AppleJeus has XOR-encrypted collected system information prior to sending to a C2. AppleJeus has also used the open source ADVObfuscation library for its components.2
tool
AppleJeus S0584
- Type
- malware
- Platforms
- Windows, macOS
- Created
- 1 March 2021
- Last modified
- 16 April 2025
AppleJeus is a family of downloaders initially discovered in 2018 embedded within trojanized cryptocurrency applications. AppleJeus has been used by Lazarus Group, targeting companies in the energy, finance, government, industry, technology, and telecommunications sectors, and several countries including the United States, United Kingdom, South Korea, Australia, Brazil, New Zealand, and Russia. AppleJeus has been used to distribute the FALLCHILL RAT.[1]
20
TechniquesTop 20%
9
TacticsTop 11%
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 S0584
AppleJeus has exfiltrated collected host information to a C2 server.3
AppleJeus has created a scheduled SYSTEM task that runs when a user logs in.4
AppleJeus has used shell scripts to execute commands after installation and set persistence mechanisms.56
AppleJeus has sent data to its C2 server via POST requests.89
Standing S0584
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
Techniques20Top 20%
80th percentile · 80% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics9Top 11%
89th percentile · 89% of 825 ATT&CK software entries have this many tactics spanned or fewer.
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 / technique19.5med43rd pct
43rd percentile · 57% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique8med
Detection coverage S0584
651 distinct rules cover the 20 techniques recorded for this tool. The 674 technique-to-rule mappings resolve to 651 distinct rules, because one rule can cover several techniques. 456 Sigma · 195 Splunk.
19 covered by at least one rule1 with no coverage651 distinct rules in total
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