General
- Target nz.sh
- Size 2KB
- Sample260716-zh4arshs3y
- SHA256 93d5d6729dc0f5a37aef6763ad24ec250df1a7c91600441920ae30fabc9af85c
- MD5 18bf589984f54050820822de81f86087
- SHA1 2cd6fe46b488e67563c98ee1e81609252249fa50
- SHA512 3e4f6db94fb7156d480e87fa5da415edefd7e0b20b144449e54b92af7bc997fcf366e407888d57d766156204cc67bc7ed71aec053ef5f8f5d60e1358ebc604ac
- TLSH T17F517EC7110507312E66DDE6BBBB486931D0E1AE64C7FE6BA8D8B8E8428DD087C42653
- MD5 SHA1 SHA512 TLSH
Static task
static1
Behavioral task
behavioral1
Sample
nz.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
nz.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
nz.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
nz.sh
Resource
debian9-mipsel-20260513-en
Malware Config
Extracted
-
mirai
-
cgur743.freedynamicdns.org
Extracted
-
mirai
-
cgur743.freedynamicdns.org
Extracted
-
mirai
-
cgur743.freedynamicdns.org
Targets
-
- Target nz.sh
- Size 2KB
- SHA256 93d5d6729dc0f5a37aef6763ad24ec250df1a7c91600441920ae30fabc9af85c
- MD5 18bf589984f54050820822de81f86087
- SHA1 2cd6fe46b488e67563c98ee1e81609252249fa50
- SHA512 3e4f6db94fb7156d480e87fa5da415edefd7e0b20b144449e54b92af7bc997fcf366e407888d57d766156204cc67bc7ed71aec053ef5f8f5d60e1358ebc604ac
- TLSH T17F517EC7110507312E66DDE6BBBB486931D0E1AE64C7FE6BA8D8B8E8428DD087C42653
- MD5 SHA1 SHA512 TLSH
Score10/10-
File and Directory Permissions Modification
Adversaries may modify file or directory permissions to evade defenses.
-
Modifies Watchdog functionality
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
-
Enumerates running processes
Discovers information about currently running processes on the system
-
Writes file to system bin folder
MITRE ATT&CK Enterprise v16
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Impair Defenses
1Virtualization/Sandbox Evasion
1System Checks
1