General
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Target
jewn.sh
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Size
1KB
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Sample
241206-qktpnsyrcw
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MD5
49377a7c5220a2e428c4ff6898fcd50c
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SHA1
0d2843613a97cc150c539474b2db2ff741260997
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SHA256
336fc216d10d88ac069d22db53159229050040ff570e610ddcca11040e666a4c
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SHA512
51189375074dc361c0b855ae89774e7888a0a3360bd8291f2d99ba2bc8de4cdf8a2307044d8aee9d9459973f2e29b5d866b7b004e7df754688324a207d77b342
Static task
static1
Behavioral task
behavioral1
Sample
jewn.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
jewn.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
jewn.sh
Resource
debian9-mipsbe-20240729-en
Behavioral task
behavioral4
Sample
jewn.sh
Resource
debian9-mipsel-20240418-en
Malware Config
Extracted
mirai
KURC
Extracted
mirai
KURC
Extracted
mirai
KURC
Targets
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Target
jewn.sh
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Size
1KB
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MD5
49377a7c5220a2e428c4ff6898fcd50c
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SHA1
0d2843613a97cc150c539474b2db2ff741260997
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SHA256
336fc216d10d88ac069d22db53159229050040ff570e610ddcca11040e666a4c
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SHA512
51189375074dc361c0b855ae89774e7888a0a3360bd8291f2d99ba2bc8de4cdf8a2307044d8aee9d9459973f2e29b5d866b7b004e7df754688324a207d77b342
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Mirai family
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Contacts a large (112638) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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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