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Analysis
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max time kernel
149s -
max time network
149s -
platform
ubuntu-20.04_amd64 -
resource
ubuntu2004-amd64-20240508-en -
resource tags
arch:amd64arch:i386image:ubuntu2004-amd64-20240508-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system -
submitted
20/05/2024, 15:24
Behavioral task
behavioral1
Sample
a647b496fb36d4ea7f34092cd929ec3f.elf
Resource
ubuntu2004-amd64-20240508-en
General
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Target
a647b496fb36d4ea7f34092cd929ec3f.elf
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Size
57KB
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MD5
a647b496fb36d4ea7f34092cd929ec3f
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SHA1
39951142bb9bba0ff372118ec5793974ce093ae6
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SHA256
864dd2c515bc94a27f0905ba64c4ef1f79774e47eab6e609ad66952f72b71296
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SHA512
b1aef307a85e61187338db80c5b90f51c4f75653c5cfa2d041a3a496d6c92aef17d567b40ae5d704b795f1fe163927bb1237f1dcc27ee2916dfb460777ce46af
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SSDEEP
1536:WOPeqz/9RRV/6D3NjVkkh6oQYrY1NnohDcrJAFY6mSj/:WMe6/9RRV/w3NhkkQoQYrYPncD6JEr7/
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1420 a647b496fb36d4ea7f34092cd929ec3f.elf -
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/watchdog a647b496fb36d4ea7f34092cd929ec3f.elf File opened for modification /dev/misc/watchdog a647b496fb36d4ea7f34092cd929ec3f.elf -
Traces itself 1 IoCs
Traces itself to prevent debugging attempts
pid Process 1420 a647b496fb36d4ea7f34092cd929ec3f.elf -
Writes file to system bin folder 1 TTPs 2 IoCs
description ioc Process File opened for modification /bin/watchdog a647b496fb36d4ea7f34092cd929ec3f.elf File opened for modification /sbin/watchdog a647b496fb36d4ea7f34092cd929ec3f.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself /var/Sofia 1420 a647b496fb36d4ea7f34092cd929ec3f.elf -
Reads runtime system information 1 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/1327/fd a647b496fb36d4ea7f34092cd929ec3f.elf