Analysis
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max time kernel
150s -
max time network
178s -
platform
debian-12_armhf -
resource
debian12-armhf-20240221-en -
resource tags
arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem -
submitted
12/10/2024, 15:08
Behavioral task
behavioral1
Sample
na.elf
Resource
debian12-armhf-20240221-en
General
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Target
na.elf
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Size
148KB
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MD5
9e9f6a4ff9c1782a822df602dd5e364b
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SHA1
5617f45e06d5757c9e745afedbd85e77d83681fd
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SHA256
842ef514a2b5f05b415b85d02e5f62cdda1da839a0c7d9016d475926de36c4cb
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SHA512
c2968a90c3350593d1b348016b08655c47c435a783a0f0d0ef15185f156da1725c6a43008323e86f50a3b9e8bd5b50a2cfcb0e61e00997feebb74a38ef091c1a
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SSDEEP
3072:zv77j7mI47aSDV2u4AUDjNLPMvEn3ExYM/9QzjTf:73Oj7aSDV2uJUDpQEn3EmM/9QvTf
Malware Config
Signatures
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Contacts a large (77033) 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 na.elf File opened for modification /dev/misc/watchdog na.elf -
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 na.elf -
Reads process memory 1 TTPs 26 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/484/maps na.elf File opened for reading /proc/708/maps na.elf File opened for reading /proc/710/maps na.elf File opened for reading /proc/794/maps na.elf File opened for reading /proc/800/maps na.elf File opened for reading /proc/782/maps na.elf File opened for reading /proc/788/maps na.elf File opened for reading /proc/488/maps na.elf File opened for reading /proc/638/maps na.elf File opened for reading /proc/684/maps na.elf File opened for reading /proc/712/maps na.elf File opened for reading /proc/719/maps na.elf File opened for reading /proc/780/maps na.elf File opened for reading /proc/817/maps na.elf File opened for reading /proc/706/maps na.elf File opened for reading /proc/707/maps na.elf File opened for reading /proc/716/maps na.elf File opened for reading /proc/795/maps na.elf File opened for reading /proc/801/maps na.elf File opened for reading /proc/812/maps na.elf File opened for reading /proc/625/maps na.elf File opened for reading /proc/665/maps na.elf File opened for reading /proc/679/maps na.elf File opened for reading /proc/700/maps na.elf File opened for reading /proc/732/maps na.elf File opened for reading /proc/781/maps na.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself 3aglc8rvl8n8 709 na.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 na.elf