General
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Target
ohshit.sh
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Size
2KB
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Sample
250103-nr9y5a1nfx
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MD5
dfb20882adc5a8a441e05549d24a2888
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SHA1
9cad12bea5d7cdf2c78c5a00b308f25923c59218
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SHA256
19d701781a24a57e13181d054c7f3a70d3e205ad72be89fd29dcfa3084e5e396
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SHA512
63ff945d55e5560f99d75c99656b03d1ef70a50900c3c8fcb93fa13d63540c11ba14585c78c202ace742fc924f75f01c4acf43141ff1f1f700ad10c8d72f4bb2
Static task
static1
Behavioral task
behavioral1
Sample
ohshit.sh
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral2
Sample
ohshit.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
ohshit.sh
Resource
debian9-mipsbe-20240418-en
Malware Config
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Targets
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Target
ohshit.sh
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Size
2KB
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MD5
dfb20882adc5a8a441e05549d24a2888
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SHA1
9cad12bea5d7cdf2c78c5a00b308f25923c59218
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SHA256
19d701781a24a57e13181d054c7f3a70d3e205ad72be89fd29dcfa3084e5e396
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SHA512
63ff945d55e5560f99d75c99656b03d1ef70a50900c3c8fcb93fa13d63540c11ba14585c78c202ace742fc924f75f01c4acf43141ff1f1f700ad10c8d72f4bb2
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Mirai family
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File and Directory Permissions Modification
Adversaries may modify file or directory permissions to evade defenses.
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Executes dropped EXE
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Modifies Watchdog functionality
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
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Enumerates running processes
Discovers information about currently running processes on the system
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Writes file to system bin folder
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MITRE ATT&CK Enterprise v15
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Impair Defenses
1Virtualization/Sandbox Evasion
1System Checks
1