General
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Target
kraapje.sh
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Size
2KB
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Sample
250217-l3g2daxrdn
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MD5
9787bbe5335e577aefac885ca109b8ab
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SHA1
16695628fa69d948c90dc7caa43848b3f0736a91
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SHA256
fc9b314f205b5c4b94f8d88d99d811494329aef8cd7d47b3f9c713b45f66d0dd
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SHA512
01b5b4480ff482ff952992132ab593ac98413b21142863dd576e3f7d769b3348a497ff78996ad3a6b924eefe7fc03dde6df6bf9ea5e88b49863030f8019143b5
Static task
static1
Behavioral task
behavioral1
Sample
kraapje.sh
Resource
ubuntu1804-amd64-20240729-en
Behavioral task
behavioral2
Sample
kraapje.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
kraapje.sh
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral4
Sample
kraapje.sh
Resource
debian9-mipsel-20240418-en
Malware Config
Extracted
mirai
KURC
Extracted
mirai
KURC
Extracted
mirai
KURC
Targets
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Target
kraapje.sh
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Size
2KB
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MD5
9787bbe5335e577aefac885ca109b8ab
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SHA1
16695628fa69d948c90dc7caa43848b3f0736a91
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SHA256
fc9b314f205b5c4b94f8d88d99d811494329aef8cd7d47b3f9c713b45f66d0dd
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SHA512
01b5b4480ff482ff952992132ab593ac98413b21142863dd576e3f7d769b3348a497ff78996ad3a6b924eefe7fc03dde6df6bf9ea5e88b49863030f8019143b5
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Mirai family
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Contacts a large (115780) 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