DEADWOOD contains an embedded, AES-encrypted payload labeled METADATA that provides configuration information for follow-on execution.2
tool
DEADWOOD S1134
- Type
- malware
- Platform
- Windows
- Created
- 22 May 2024
- Last modified
- 26 August 2024
DEADWOOD is wiper malware written in C++ using Boost libraries. DEADWOOD was first observed in an unattributed wiping event in Saudi Arabia in 2019, and has since been incorporated into Agrius operations.[1]
10
Techniques47th pct
4
Tactics32nd pct
2
Threat groupsunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1134
DEADWOOD contains an embedded, AES-encrypted resource named METADATA that contains configuration information for follow-on execution.3
DEADWOOD will attempt to masquerade its service execution using benign-looking names such as ScDeviceEnums.4
DEADWOOD will set a timestamp value to determine when wiping functionality starts. When the timestamp is met on the system, a trigger file is created on the operating system allowing for execution to proceed. If the timestamp is in the past, the wiper will execute immediately.5
DEADWOOD XORs some strings within the binary using the value 0xD5, and deobfuscates these items at runtime.6
DEADWOOD overwrites files on victim systems with random data to effectively destroy them.7
Standing S1134
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.
Tactics432nd pct
32nd percentile · 68% of 825 ATT&CK software entries have more tactics spanned.
Threat groups261% 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 / technique4medBottom 4%
4th percentile · 96% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique4.5med
Detection coverage S1134
160 distinct rules cover the 10 techniques recorded for this tool. The 163 technique-to-rule mappings resolve to 160 distinct rules, because one rule can cover several techniques. 99 Sigma · 61 Splunk.
10 covered by at least one rule160 distinct rules in total
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