SampleCheck5000 can call cmd.exe to execute C2 command line strings.34
tool
SampleCheck5000 S1168
- Type
- malware
- Platform
- Windows
- Created
- 25 November 2024
- Last modified
- 22 October 2025
SampleCheck5000 is a downloader with multiple variants that was used by OilRig including during the Outer Space campaign to download and execute additional payloads. [1][2]
10
Techniques47th pct
6
Tactics53rd pct
1
Threat groupunranked
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1168
SampleCheck5000 can use the Exchange Web Services API for C2 communication.5
SampleCheck5000 can log the output from C2 commands in an encrypted and compressed format on disk prior to exfiltration.6
SampleCheck5000 can create unique victim identifiers by using the compromised system’s computer name.7
SampleCheck5000 can use the Microsoft Office Exchange Web Services API to access an actor-controlled account and retrieve C2 commands and payloads placed in Draft messages.89
SampleCheck5000 can download additional payloads to compromised hosts.1011
Standing S1168
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
Techniques1047th pct
47th percentile · 53% of 825 ATT&CK software entries have more Enterprise techniques.
Tactics653rd pct
53rd percentile · 53% 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.
Campaign185% 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 / technique23med55th pct
55th percentile · 55% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique4.5med
Detection coverage S1168
366 distinct rules cover the 10 techniques recorded for this tool. The 378 technique-to-rule mappings resolve to 366 distinct rules, because one rule can cover several techniques. 259 Sigma · 107 Splunk.
9 covered by at least one rule1 with no coverage366 distinct rules in total
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