Analysis
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max time kernel
148s -
max time network
158s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem -
submitted
10/03/2025, 00:15
Behavioral task
behavioral1
Sample
zerarm7.elf
Resource
debian9-armhf-20240611-en
debian-9-armhf
6 signatures
150 seconds
General
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Target
zerarm7.elf
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Size
73KB
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MD5
b03d3fdd1b0541d70bf20333bc29d6da
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SHA1
3524cacc0f59f1764e28279e4e65ac94c63b9281
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SHA256
a1d4783a0f02214fea4f9554f62dd48a055a8578ed7084d9486989e8d2d807cd
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SHA512
e09fdcb7e943b7deceb815334b739d11c7c60a460b5a67e24628a8092ee7ddc5327eeff1988dab39e0bb812d6e56df39f8defa0f0fabe958f048c6fc428c17b4
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SSDEEP
1536:/RnShVB6RcsK06pvJiYgP/rhYm1lekVuTjCdzISjM9U9lEUiqhnFsHV:oVBhsmvJirP9HjxVuTjCdzISjwohnFu
Score
7/10
Malware Config
Signatures
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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 zerarm7.elf File opened for modification /dev/misc/watchdog zerarm7.elf -
Renames itself 1 IoCs
pid Process 675 zerarm7.elf -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 81.169.136.222 -
Enumerates running processes
Discovers information about currently running processes on the system
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Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself bash 675 zerarm7.elf -
description ioc Process File opened for reading /proc/27/comm zerarm7.elf File opened for reading /proc/222/comm zerarm7.elf File opened for reading /proc/629/comm zerarm7.elf File opened for reading /proc/7/comm zerarm7.elf File opened for reading /proc/28/comm zerarm7.elf File opened for reading /proc/149/comm zerarm7.elf File opened for reading /proc/488/comm zerarm7.elf File opened for reading /proc/6/comm zerarm7.elf File opened for reading /proc/24/comm zerarm7.elf File opened for reading /proc/167/comm zerarm7.elf File opened for reading /proc/5/comm zerarm7.elf File opened for reading /proc/8/comm zerarm7.elf File opened for reading /proc/281/comm zerarm7.elf File opened for reading /proc/1/comm zerarm7.elf File opened for reading /proc/14/comm zerarm7.elf File opened for reading /proc/41/comm zerarm7.elf File opened for reading /proc/326/comm zerarm7.elf File opened for reading /proc/489/comm zerarm7.elf File opened for reading /proc/673/comm zerarm7.elf File opened for reading /proc/43/comm zerarm7.elf File opened for reading /proc/109/comm zerarm7.elf File opened for reading /proc/674/comm zerarm7.elf File opened for reading /proc/13/comm zerarm7.elf File opened for reading /proc/20/comm zerarm7.elf File opened for reading /proc/294/comm zerarm7.elf File opened for reading /proc/662/comm zerarm7.elf File opened for reading /proc/2/comm zerarm7.elf File opened for reading /proc/17/comm zerarm7.elf File opened for reading /proc/42/comm zerarm7.elf File opened for reading /proc/77/comm zerarm7.elf File opened for reading /proc/108/comm zerarm7.elf File opened for reading /proc/150/comm zerarm7.elf File opened for reading /proc/280/comm zerarm7.elf File opened for reading /proc/667/comm zerarm7.elf File opened for reading /proc/10/comm zerarm7.elf File opened for reading /proc/106/comm zerarm7.elf File opened for reading /proc/441/comm zerarm7.elf File opened for reading /proc/670/comm zerarm7.elf File opened for reading /proc/672/comm zerarm7.elf File opened for reading /proc/345/comm zerarm7.elf File opened for reading /proc/4/comm zerarm7.elf File opened for reading /proc/19/comm zerarm7.elf File opened for reading /proc/137/comm zerarm7.elf File opened for reading /proc/145/comm zerarm7.elf File opened for reading /proc/291/comm zerarm7.elf File opened for reading /proc/295/comm zerarm7.elf File opened for reading /proc/26/comm zerarm7.elf File opened for reading /proc/18/comm zerarm7.elf File opened for reading /proc/25/comm zerarm7.elf File opened for reading /proc/29/comm zerarm7.elf File opened for reading /proc/220/comm zerarm7.elf File opened for reading /proc/315/comm zerarm7.elf File opened for reading /proc/318/comm zerarm7.elf File opened for reading /proc/3/comm zerarm7.elf File opened for reading /proc/16/comm zerarm7.elf File opened for reading /proc/21/comm zerarm7.elf File opened for reading /proc/11/comm zerarm7.elf File opened for reading /proc/22/comm zerarm7.elf File opened for reading /proc/23/comm zerarm7.elf File opened for reading /proc/98/comm zerarm7.elf File opened for reading /proc/675/comm zerarm7.elf File opened for reading /proc/9/comm zerarm7.elf File opened for reading /proc/15/comm zerarm7.elf File opened for reading /proc/429/comm zerarm7.elf