Analysis
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max time kernel
50s -
max time network
155s -
platform
debian-12_mipsel -
resource
debian12-mipsel-20240221-en -
resource tags
arch:mipselimage:debian12-mipsel-20240221-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem -
submitted
18/08/2024, 18:47
Behavioral task
behavioral1
Sample
6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7
Resource
debian12-mipsel-20240221-en
General
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Target
6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7
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Size
197KB
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MD5
8a5bddc9b0d4cad084c360ec50b587af
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SHA1
e02e9015063ac7a068b40d775a66e56aaf85abfe
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SHA256
6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7
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SHA512
d4f951a12f33b4b5112008559b7d9ae46796d4fc8bc2fe0c583893c0370b8a25cb071f3982c80279821d9c3ed9a146c552d95f4e2cd3064f5c757693d78a6aa7
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SSDEEP
3072:4IQzCxHzdOaoUrFaW3VZXKeIvgY4M4dz12o+A:4IQ+xDouaW3LXKR+M4C
Malware Config
Signatures
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Contacts a large (198822) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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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 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 File opened for modification /dev/misc/watchdog 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 -
Unexpected DNS network traffic destination 35 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.254.162.59 Destination IP 185.181.61.24 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 178.254.22.166 Destination IP 51.77.149.139 Destination IP 185.181.61.24 Destination IP 51.77.149.139 Destination IP 51.254.162.59 Destination IP 94.16.114.254 Destination IP 81.169.136.222 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 51.254.162.59 Destination IP 185.181.61.24 Destination IP 94.16.114.254 Destination IP 51.77.149.139 Destination IP 195.10.195.195 Destination IP 194.36.144.87 Destination IP 51.254.162.59 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 94.16.114.254 Destination IP 51.254.162.59 Destination IP 94.16.114.254 Destination IP 51.254.162.59 Destination IP 178.254.22.166 Destination IP 51.158.108.203 Destination IP 51.254.162.59 Destination IP 195.10.195.195 -
Writes file to system bin folder 1 TTPs 1 IoCs
description ioc Process File opened for modification /sbin/watchdog 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself /bin/sh /etc/init.d/rcS 744 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 -
Enumerates kernel/hardware configuration 1 TTPs 3 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/devices/virtual/misc/watchdog 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 File opened for reading /sys/class/misc/watchdog 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7 File opened for reading /sys/class/watchdog 6d232ad69461b6bf73ffd6b69825ece6678462fb5eeed39da08b3839d2f052b7