Analysis
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max time kernel
149s -
max time network
160s -
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
07/03/2025, 12:42
Behavioral task
behavioral1
Sample
nabarm5.elf
Resource
debian9-armhf-20240611-en
debian-9-armhf
11 signatures
150 seconds
General
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Target
nabarm5.elf
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Size
36KB
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MD5
1fec7c279656ebe83bf75e4d5bf915d9
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SHA1
7b4e8f333fd38e8d85e7acfe0b0467411cc24171
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SHA256
c93a999421b27b414b30b9a62193f9132f2b832df54da85933c60ed36c5935a5
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SHA512
e69f6dbcb30b79133ed1e4e757b8f24f824de1c8cc5747b13c5395950e0574edfe1e5fe5bebf2ef25612dcc27b4477814945094d1f9f233ea9a0352c0dd8f17e
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SSDEEP
768:m2i9aTNJADAxo3EogjwxBbPDt5U5TYhbNVdWyjtRqY0uwC:uSJAM1ogUxB7Dt5yTidxjtb6
Score
9/10
Malware Config
Signatures
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Contacts a large (14897) amount of remote hosts 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 nabarm5.elf File opened for modification /dev/misc/watchdog nabarm5.elf -
Renames itself 1 IoCs
pid Process 660 nabarm5.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 -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp nabarm5.elf -
Enumerates running processes
Discovers information about currently running processes on the system
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Reads process memory 1 TTPs 64 IoCs
Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.
description ioc Process File opened for reading /proc/703/maps nabarm5.elf File opened for reading /proc/707/maps nabarm5.elf File opened for reading /proc/752/maps nabarm5.elf File opened for reading /proc/791/maps nabarm5.elf File opened for reading /proc/748/maps nabarm5.elf File opened for reading /proc/796/maps nabarm5.elf File opened for reading /proc/729/maps nabarm5.elf File opened for reading /proc/740/maps nabarm5.elf File opened for reading /proc/760/maps nabarm5.elf File opened for reading /proc/777/maps nabarm5.elf File opened for reading /proc/780/maps nabarm5.elf File opened for reading /proc/782/maps nabarm5.elf File opened for reading /proc/793/maps nabarm5.elf File opened for reading /proc/697/maps nabarm5.elf File opened for reading /proc/700/maps nabarm5.elf File opened for reading /proc/743/maps nabarm5.elf File opened for reading /proc/770/maps nabarm5.elf File opened for reading /proc/709/maps nabarm5.elf File opened for reading /proc/696/maps nabarm5.elf File opened for reading /proc/762/maps nabarm5.elf File opened for reading /proc/779/maps nabarm5.elf File opened for reading /proc/695/maps nabarm5.elf File opened for reading /proc/713/maps nabarm5.elf File opened for reading /proc/722/maps nabarm5.elf File opened for reading /proc/754/maps nabarm5.elf File opened for reading /proc/756/maps nabarm5.elf File opened for reading /proc/781/maps nabarm5.elf File opened for reading /proc/715/maps nabarm5.elf File opened for reading /proc/786/maps nabarm5.elf File opened for reading /proc/792/maps nabarm5.elf File opened for reading /proc/726/maps nabarm5.elf File opened for reading /proc/767/maps nabarm5.elf File opened for reading /proc/797/maps nabarm5.elf File opened for reading /proc/720/maps nabarm5.elf File opened for reading /proc/708/maps nabarm5.elf File opened for reading /proc/711/maps nabarm5.elf File opened for reading /proc/738/maps nabarm5.elf File opened for reading /proc/739/maps nabarm5.elf File opened for reading /proc/749/maps nabarm5.elf File opened for reading /proc/757/maps nabarm5.elf File opened for reading /proc/714/maps nabarm5.elf File opened for reading /proc/737/maps nabarm5.elf File opened for reading /proc/755/maps nabarm5.elf File opened for reading /proc/768/maps nabarm5.elf File opened for reading /proc/795/maps nabarm5.elf File opened for reading /proc/691/maps nabarm5.elf File opened for reading /proc/693/maps nabarm5.elf File opened for reading /proc/701/maps nabarm5.elf File opened for reading /proc/699/maps nabarm5.elf File opened for reading /proc/719/maps nabarm5.elf File opened for reading /proc/732/maps nabarm5.elf File opened for reading /proc/736/maps nabarm5.elf File opened for reading /proc/758/maps nabarm5.elf File opened for reading /proc/783/maps nabarm5.elf File opened for reading /proc/702/maps nabarm5.elf File opened for reading /proc/705/maps nabarm5.elf File opened for reading /proc/742/maps nabarm5.elf File opened for reading /proc/721/maps nabarm5.elf File opened for reading /proc/731/maps nabarm5.elf File opened for reading /proc/787/maps nabarm5.elf File opened for reading /proc/723/maps nabarm5.elf File opened for reading /proc/746/maps nabarm5.elf File opened for reading /proc/750/maps nabarm5.elf File opened for reading /proc/764/maps nabarm5.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself ipv6_addrconf 660 nabarm5.elf -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp nabarm5.elf -
description ioc Process File opened for reading /proc/8/comm nabarm5.elf File opened for reading /proc/13/comm nabarm5.elf File opened for reading /proc/598/comm nabarm5.elf File opened for reading /proc/657/comm nabarm5.elf File opened for reading /proc/660/comm nabarm5.elf File opened for reading /proc/743/cmdline nabarm5.elf File opened for reading /proc/758/cmdline nabarm5.elf File opened for reading /proc/785/cmdline nabarm5.elf File opened for reading /proc/281/comm nabarm5.elf File opened for reading /proc/652/status nabarm5.elf File opened for reading /proc/702/cmdline nabarm5.elf File opened for reading /proc/749/cmdline nabarm5.elf File opened for reading /proc/20/comm nabarm5.elf File opened for reading /proc/283/status nabarm5.elf File opened for reading /proc/752/cmdline nabarm5.elf File opened for reading /proc/792/cmdline nabarm5.elf File opened for reading /proc/42/comm nabarm5.elf File opened for reading /proc/43/comm nabarm5.elf File opened for reading /proc/280/status nabarm5.elf File opened for reading /proc/342/status nabarm5.elf File opened for reading /proc/711/cmdline nabarm5.elf File opened for reading /proc/41/comm nabarm5.elf File opened for reading /proc/103/comm nabarm5.elf File opened for reading /proc/169/comm nabarm5.elf File opened for reading /proc/601/comm nabarm5.elf File opened for reading /proc/603/status nabarm5.elf File opened for reading /proc/691/cmdline nabarm5.elf File opened for reading /proc/717/cmdline nabarm5.elf File opened for reading /proc/22/comm nabarm5.elf File opened for reading /proc/24/comm nabarm5.elf File opened for reading /proc/740/cmdline nabarm5.elf File opened for reading /proc/746/cmdline nabarm5.elf File opened for reading /proc/748/cmdline nabarm5.elf File opened for reading /proc/777/cmdline nabarm5.elf File opened for reading /proc/779/cmdline nabarm5.elf File opened for reading /proc/793/cmdline nabarm5.elf File opened for reading /proc/1/comm nabarm5.elf File opened for reading /proc/652/comm nabarm5.elf File opened for reading /proc/229/status nabarm5.elf File opened for reading /proc/789/cmdline nabarm5.elf File opened for reading /proc/791/cmdline nabarm5.elf File opened for reading /proc/603/comm nabarm5.elf File opened for reading /proc/598/status nabarm5.elf File opened for reading /proc/760/cmdline nabarm5.elf File opened for reading /proc/12/comm nabarm5.elf File opened for reading /proc/25/comm nabarm5.elf File opened for reading /proc/608/comm nabarm5.elf File opened for reading /proc/644/comm nabarm5.elf File opened for reading /proc/708/cmdline nabarm5.elf File opened for reading /proc/742/cmdline nabarm5.elf File opened for reading /proc/10/comm nabarm5.elf File opened for reading /proc/145/comm nabarm5.elf File opened for reading /proc/606/status nabarm5.elf File opened for reading /proc/736/cmdline nabarm5.elf File opened for reading /proc/7/comm nabarm5.elf File opened for reading /proc/155/comm nabarm5.elf File opened for reading /proc/143/status nabarm5.elf File opened for reading /proc/782/cmdline nabarm5.elf File opened for reading /proc/795/cmdline nabarm5.elf File opened for reading /proc/693/cmdline nabarm5.elf File opened for reading /proc/703/cmdline nabarm5.elf File opened for reading /proc/719/cmdline nabarm5.elf File opened for reading /proc/731/cmdline nabarm5.elf File opened for reading /proc/23/comm nabarm5.elf