General
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Target
2BV7L_ohshit.sh
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Size
2KB
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Sample
250122-fy5c8a1kel
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MD5
3b861f9434783f2eba1108c690dcaa47
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SHA1
2bbb9c3d22f6206bd0f4185eab7ee1cba7b4c215
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SHA256
baef81a5b8a6c9a601cd76ff538bd9cc68de6e150341d3edb87f4bd3b0396378
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SHA512
b41c8dfa5f24fd6c9f1ce1ddcf51b6eb7e80a12293f7ef98e79a323aa8e4defc833d3a1d425e50f68cb6b9ad3ebe8fb2a4f021e4be651bb746e9fa3ffc105fdb
Static task
static1
Behavioral task
behavioral1
Sample
2BV7L_ohshit.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
2BV7L_ohshit.sh
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral3
Sample
2BV7L_ohshit.sh
Resource
debian9-mipsbe-20240611-en
Malware Config
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Extracted
mirai
LZRD
Targets
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Target
2BV7L_ohshit.sh
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Size
2KB
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MD5
3b861f9434783f2eba1108c690dcaa47
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SHA1
2bbb9c3d22f6206bd0f4185eab7ee1cba7b4c215
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SHA256
baef81a5b8a6c9a601cd76ff538bd9cc68de6e150341d3edb87f4bd3b0396378
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SHA512
b41c8dfa5f24fd6c9f1ce1ddcf51b6eb7e80a12293f7ef98e79a323aa8e4defc833d3a1d425e50f68cb6b9ad3ebe8fb2a4f021e4be651bb746e9fa3ffc105fdb
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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