Analysis
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max time kernel
15s -
max time network
18s -
platform
debian-9_mipsel -
resource
debian9-mipsel-20221125-en -
resource tags
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submitted
02-07-2023 12:41
General
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Target
243157-binsh.sh
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Size
131KB
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MD5
3313e9cc72e7cf75851dc62b84ca932c
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SHA1
b5f914ad11626070f6cf466069c8d5d9ee25f5bb
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SHA256
9e0a15a4318e3e788bad61398b8a40d4916d63ab27b47f3bdbe329c462193600
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SHA512
7c3f1cce6b3b2b0464382ad923076da3a2e81463ed25a8d1979caa7c7305ad6681d1df32893c9c973ac6a897f6d638720ed7d73dda5b06c99c1fe669d98960da
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SSDEEP
3072:YpPb16aDVPfKxQZHYz02ROYgym0pv9k3TakVC1ecQTKnQR:iPZfDlCuuQVp0nk3TaeC8czu
Malware Config
Signatures
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Contacts a large (597) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Changes its process name 1 IoCs
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Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
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Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
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Writes file to system bin folder 1 TTPs 2 IoCs
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Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
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Reads runtime system information 1 IoCs
Reads data from /proc virtual filesystem.
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Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/243157-binsh.sh/tmp/243157-binsh.sh1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
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/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵