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Analysis
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max time kernel
149s -
max time network
151s -
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
06/03/2025, 06:37
Behavioral task
behavioral1
Sample
1isequal9.arm7.elf
Resource
debian9-armhf-20240611-en
General
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Target
1isequal9.arm7.elf
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Size
140KB
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MD5
e1d0b97db4f5c8387f6bd263e9eceedd
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SHA1
48b4781ae7fd5ed015ac4a30b78d7a5b96123994
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SHA256
28b0113be18b774974228663cf5708a31b9847612e2accd0f37c54f79b3bb870
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SHA512
f3bef76e3d4a7fc61746dbdd617a828e1398848728794c7ee5129332114d0a6bac8ffe05d17f09b793fd1e1bef1bfc42a695daae6699a6d20de5e306915a8958
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SSDEEP
3072:VYbSBlR85zjsTlYqNExIUXEOavkVQ/PcazWZSM/9vP/r:abuRuzjst7UXEOavoQMazZM/9vP/r
Malware Config
Signatures
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Contacts a large (23991) 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 1isequal9.arm7.elf File opened for modification /dev/misc/watchdog 1isequal9.arm7.elf -
Enumerates running processes
Discovers information about currently running processes on the system
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Reads process memory 1 TTPs 32 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/783/maps 1isequal9.arm7.elf File opened for reading /proc/599/maps 1isequal9.arm7.elf File opened for reading /proc/648/maps 1isequal9.arm7.elf File opened for reading /proc/662/maps 1isequal9.arm7.elf File opened for reading /proc/667/maps 1isequal9.arm7.elf File opened for reading /proc/724/maps 1isequal9.arm7.elf File opened for reading /proc/600/maps 1isequal9.arm7.elf File opened for reading /proc/649/maps 1isequal9.arm7.elf File opened for reading /proc/775/maps 1isequal9.arm7.elf File opened for reading /proc/787/maps 1isequal9.arm7.elf File opened for reading /proc/791/maps 1isequal9.arm7.elf File opened for reading /proc/654/maps 1isequal9.arm7.elf File opened for reading /proc/656/maps 1isequal9.arm7.elf File opened for reading /proc/768/maps 1isequal9.arm7.elf File opened for reading /proc/779/maps 1isequal9.arm7.elf File opened for reading /proc/781/maps 1isequal9.arm7.elf File opened for reading /proc/789/maps 1isequal9.arm7.elf File opened for reading /proc/793/maps 1isequal9.arm7.elf File opened for reading /proc/596/maps 1isequal9.arm7.elf File opened for reading /proc/720/maps 1isequal9.arm7.elf File opened for reading /proc/733/maps 1isequal9.arm7.elf File opened for reading /proc/659/maps 1isequal9.arm7.elf File opened for reading /proc/773/maps 1isequal9.arm7.elf File opened for reading /proc/777/maps 1isequal9.arm7.elf File opened for reading /proc/795/maps 1isequal9.arm7.elf File opened for reading /proc/607/maps 1isequal9.arm7.elf File opened for reading /proc/661/maps 1isequal9.arm7.elf File opened for reading /proc/732/maps 1isequal9.arm7.elf File opened for reading /proc/785/maps 1isequal9.arm7.elf File opened for reading /proc/606/maps 1isequal9.arm7.elf File opened for reading /proc/597/maps 1isequal9.arm7.elf File opened for reading /proc/655/maps 1isequal9.arm7.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself a 657 1isequal9.arm7.elf -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp//dev/FTWDT101_watchdog 1isequal9.arm7.elf