Analysis
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max time kernel
150s -
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
10-10-2024 09:22
Static task
static1
Behavioral task
behavioral1
Sample
na.elf
Resource
debian9-armhf-20240611-en
debian-9-armhf
7 signatures
150 seconds
General
-
Target
na.elf
-
Size
128KB
-
MD5
cf182d49ea3bd8d88c0895c2c2e0c971
-
SHA1
71d2e8d01a16188bb1efb6f68678fc245e7a75e9
-
SHA256
2743a17903001140b896d59a93ff5720ee2b1198e87772bfe23b0913018ac4f5
-
SHA512
594b7a7e6f3cdcb18f23b54826e40ad661dd14be30d5b68edca51843c09ab063e816072d015a7993f3eb0fea5ca4596fb9851b07c19f5c99823aaab1e04946f6
-
SSDEEP
3072:uxjOFf2CcOhh5txBqH9jX/ae0KKFpv2KpnG4Kitc:4jOd23qtr8X/ae0KKFpuKHTtc
Score
9/10
Malware Config
Signatures
-
Contacts a large (784377) 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 -
Renames itself 1 IoCs
pid Process 656 na.elf -
Reads process memory 1 TTPs 11 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/77/maps na.elf File opened for reading /proc/111/maps na.elf File opened for reading /proc/444/maps na.elf File opened for reading /proc/11/maps na.elf File opened for reading /proc/22/maps na.elf File opened for reading /proc/33/maps na.elf File opened for reading /proc/44/maps na.elf File opened for reading /proc/66/maps na.elf File opened for reading /proc/55/maps na.elf File opened for reading /proc/99/maps na.elf File opened for reading /proc/222/maps na.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself uddev 656 na.elf -
description ioc Process File opened for reading /proc/111c�"/maps na.elf File opened for reading /proc/1111�"/maps na.elf File opened for reading /proc/2222N*/maps na.elf File opened for reading /proc/2222%+/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/111�"/maps na.elf File opened for reading /proc/222�"/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/66664/maps na.elf File opened for reading /proc/111m�"/maps na.elf File opened for reading /proc/1111u%/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/2222�*/maps na.elf File opened for reading /proc/3333�3/maps na.elf File opened for reading /proc/3333�3/maps na.elf File opened for reading /proc/6666#0/maps na.elf File opened for reading /proc/1111�#/maps na.elf File opened for reading /proc/111�"/maps na.elf File opened for reading /proc/222l�"/maps na.elf File opened for reading /proc/222�"/maps na.elf File opened for reading /proc/888s�"/maps na.elf File opened for reading /proc/1111�"/maps na.elf File opened for reading /proc/2222 )/maps na.elf File opened for reading /proc/3333�,/maps na.elf File opened for reading /proc/88ll�"/maps na.elf File opened for reading /proc/222v�"/maps na.elf File opened for reading /proc/2222�*/maps na.elf File opened for reading /proc/3333�,/maps na.elf File opened for reading /proc/5555�/maps na.elf File opened for reading /proc/111c�"/maps na.elf File opened for reading /proc/444s�"/maps na.elf File opened for reading /proc/1111�"/maps na.elf File opened for reading /proc/1111�3/maps na.elf File opened for reading /proc/6666,3/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/222i�"/maps na.elf File opened for reading /proc/2222�*/maps na.elf File opened for reading /proc/3333/maps na.elf File opened for reading /proc/6666�/maps na.elf File opened for reading /proc/6666x3/maps na.elf File opened for reading /proc/222s�"/maps na.elf File opened for reading /proc/2222�+/maps na.elf File opened for reading /proc/6666 0/maps na.elf File opened for reading /proc/6666�2/maps na.elf File opened for reading /proc/6666�3/maps na.elf File opened for reading /proc/1111�3/maps na.elf