General
- Target chunk.sh
- Size 6KB
- Sample260812-nt78bacd56
- SHA256 1a0b68aaa68362b41b3f24346d51f187e8a61fea0bbb978c672f2548b08b4afb
- MD5 73a92d19903747de6ee29e792b37b26b
- SHA1 1661a82bf6b39da25427f855b31eb2f2eb3b5d69
- SHA512 269ece7d4301f27e99a6ab3ac3e1510c7c83e754ffe3c99413275668742b9c118313eaf808f845e7a0937885f5fe38eea00d5c44137abea834a492bd8271dac1
- SSDEEP 96:FuDx7R/wlHPRei19pmxLImzpWCDgQ19JZNxh9WqYX+Bxt8LejU4LJvE:YYNZnqca9xX9WqHtrj9+
- TLSH T169D194D2F931C530749D187A9B89B260BEC7542F0A147C14748F7D786F2C66CA2BCA76
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
chunk.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
chunk.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
chunk.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
chunk.sh
Resource
debian9-mipsel-20260513-en
Malware Config
Extracted
-
mirai
-
LZRD
Extracted
-
mirai
-
LZRD
-
176.65.139.244
Targets
-
- Target chunk.sh
- Size 6KB
- SHA256 1a0b68aaa68362b41b3f24346d51f187e8a61fea0bbb978c672f2548b08b4afb
- MD5 73a92d19903747de6ee29e792b37b26b
- SHA1 1661a82bf6b39da25427f855b31eb2f2eb3b5d69
- SHA512 269ece7d4301f27e99a6ab3ac3e1510c7c83e754ffe3c99413275668742b9c118313eaf808f845e7a0937885f5fe38eea00d5c44137abea834a492bd8271dac1
- SSDEEP 96:FuDx7R/wlHPRei19pmxLImzpWCDgQ19JZNxh9WqYX+Bxt8LejU4LJvE:YYNZnqca9xX9WqHtrj9+
- TLSH T169D194D2F931C530749D187A9B89B260BEC7542F0A147C14748F7D786F2C66CA2BCA76
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
-
File and Directory Permissions Modification
Adversaries may modify file or directory permissions to evade defenses.
-
Executes dropped EXE
-
Modifies Watchdog functionality
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
-
Outbound SSH connection to public host
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
-
Creates/modifies Cron job
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
-
Enumerates running processes
Discovers information about currently running processes on the system
-
Modifies systemd
Adds/ modifies systemd service files. Likely to achieve persistence.
-
Writes file to system bin folder
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3XDG Autostart Entries
1Boot or Logon Initialization Scripts
2RC Scripts
2Create or Modify System Process
1Systemd Service
1Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
3XDG Autostart Entries
1Boot or Logon Initialization Scripts
2RC Scripts
2Create or Modify System Process
1Systemd Service
1Scheduled Task/Job
1Cron
1Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Impair Defenses
1